Flights from Washington to Singapore (IAD to SIN)

Discover more affordable routes and cheaper dates from Washington to Singapore (IAD to SIN) within a date range.

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US$478

10:00pm - 6:05pm
Mon Apr 14th 2025

32h 5m
Washington, D.C. (IAD) → Singapore (SIN)

2 Stops

Mon Apr 14th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 2h 10m

Tue Apr 15th 2025 Etihad Airways · EY 340 Depart at 9:10pm from Abu Dhabi (AUH) Fly for 4h 25m Arrive at 3:05am in Chennai (MAA)

Layover in Chennai for 8h 20m

Wed Apr 16th 2025 Air India Limited · AI 346 Depart at 11:25am from Chennai (MAA) Fly for 4h 10m Arrive at 6:05pm in Singapore (SIN)
US$479

10:00pm - 6:05pm
Tue Apr 15th 2025

32h 5m
Washington, D.C. (IAD) → Singapore (SIN)

2 Stops

Tue Apr 15th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 2h 10m

Wed Apr 16th 2025 Etihad Airways · EY 340 Depart at 9:10pm from Abu Dhabi (AUH) Fly for 4h 25m Arrive at 3:05am in Chennai (MAA)

Layover in Chennai for 8h 20m

Thu Apr 17th 2025 Air India Limited · AI 346 Depart at 11:25am from Chennai (MAA) Fly for 4h 10m Arrive at 6:05pm in Singapore (SIN)
US$479

10:00pm - 6:05pm
Sun Apr 13th 2025

32h 5m
Washington, D.C. (IAD) → Singapore (SIN)

2 Stops

Sun Apr 13th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 2h 10m

Mon Apr 14th 2025 Etihad Airways · EY 340 Depart at 9:10pm from Abu Dhabi (AUH) Fly for 4h 25m Arrive at 3:05am in Chennai (MAA)

Layover in Chennai for 8h 20m

Tue Apr 15th 2025 Air India Limited · AI 346 Depart at 11:25am from Chennai (MAA) Fly for 4h 10m Arrive at 6:05pm in Singapore (SIN)
US$479

10:00pm - 6:05pm
Mon Apr 7th 2025

32h 5m
Washington, D.C. (IAD) → Singapore (SIN)

2 Stops

Mon Apr 7th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 2h 10m

Tue Apr 8th 2025 Etihad Airways · EY 340 Depart at 9:10pm from Abu Dhabi (AUH) Fly for 4h 25m Arrive at 3:05am in Chennai (MAA)

Layover in Chennai for 8h 20m

Wed Apr 9th 2025 Air India Limited · AI 346 Depart at 11:25am from Chennai (MAA) Fly for 4h 10m Arrive at 6:05pm in Singapore (SIN)
US$479

11:00am - 6:05pm
Tue Apr 15th 2025

43h 5m
Washington, D.C. (IAD) → Singapore (SIN)

2 Stops

Tue Apr 15th 2025 Air India Limited · AI 104 Depart at 11:00am from Washington, D.C. (IAD) Fly for 14h 15m Arrive at 10:45am in New Delhi (DEL)

Layover in New Delhi for 5h 30m

Wed Apr 16th 2025 Air India Limited · AI 537 Depart at 4:15pm from New Delhi (DEL) Fly for 2h 55m Arrive at 7:10pm in Chennai (MAA)

Layover in Chennai for 16h 15m

Thu Apr 17th 2025 Air India Limited · AI 346 Depart at 11:25am from Chennai (MAA) Fly for 4h 10m Arrive at 6:05pm in Singapore (SIN)
US$480

11:00am - 6:05pm
Sat Apr 5th 2025

43h 5m
Washington, D.C. (IAD) → Singapore (SIN)

2 Stops

Sat Apr 5th 2025 Air India Limited · AI 104 Depart at 11:00am from Washington, D.C. (IAD) Fly for 14h 15m Arrive at 10:45am in New Delhi (DEL)

Layover in New Delhi for 6h 40m

Sun Apr 6th 2025 Air India Limited · AI 2837 Depart at 5:25pm from New Delhi (DEL) Fly for 2h 50m Arrive at 8:15pm in Chennai (MAA)

Layover in Chennai for 15h 10m

Mon Apr 7th 2025 Air India Limited · AI 346 Depart at 11:25am from Chennai (MAA) Fly for 4h 10m Arrive at 6:05pm in Singapore (SIN)
US$480

11:00am - 6:05pm
Sun Apr 6th 2025

43h 5m
Washington, D.C. (IAD) → Singapore (SIN)

2 Stops

Sun Apr 6th 2025 Air India Limited · AI 104 Depart at 11:00am from Washington, D.C. (IAD) Fly for 14h 15m Arrive at 10:45am in New Delhi (DEL)

Layover in New Delhi for 6h 40m

Mon Apr 7th 2025 Air India Limited · AI 2837 Depart at 5:25pm from New Delhi (DEL) Fly for 2h 50m Arrive at 8:15pm in Chennai (MAA)

Layover in Chennai for 15h 10m

Tue Apr 8th 2025 Air India Limited · AI 346 Depart at 11:25am from Chennai (MAA) Fly for 4h 10m Arrive at 6:05pm in Singapore (SIN)
US$481

11:00am - 6:05pm
Sun Apr 13th 2025

43h 5m
Washington, D.C. (IAD) → Singapore (SIN)

2 Stops

Sun Apr 13th 2025 Air India Limited · AI 104 Depart at 11:00am from Washington, D.C. (IAD) Fly for 14h 15m Arrive at 10:45am in New Delhi (DEL)

Layover in New Delhi for 5h 30m

Mon Apr 14th 2025 Air India Limited · AI 537 Depart at 4:15pm from New Delhi (DEL) Fly for 2h 55m Arrive at 7:10pm in Chennai (MAA)

Layover in Chennai for 16h 15m

Tue Apr 15th 2025 Air India Limited · AI 346 Depart at 11:25am from Chennai (MAA) Fly for 4h 10m Arrive at 6:05pm in Singapore (SIN)
US$481

11:00am - 6:05pm
Wed Apr 2nd 2025

43h 5m
Washington, D.C. (IAD) → Singapore (SIN)

2 Stops

Wed Apr 2nd 2025 Air India Limited · AI 104 Depart at 11:00am from Washington, D.C. (IAD) Fly for 14h 15m Arrive at 10:45am in New Delhi (DEL)

Layover in New Delhi for 5h 30m

Thu Apr 3rd 2025 Air India Limited · AI 537 Depart at 4:15pm from New Delhi (DEL) Fly for 2h 55m Arrive at 7:10pm in Chennai (MAA)

Layover in Chennai for 16h 15m

Fri Apr 4th 2025 Air India Limited · AI 346 Depart at 11:25am from Chennai (MAA) Fly for 4h 10m Arrive at 6:05pm in Singapore (SIN)
US$489

10:00pm - 1:20pm
Mon Apr 7th 2025

27h 20m
Washington, D.C. (IAD) → Singapore (SIN)

2 Stops

Mon Apr 7th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 2h 10m

Tue Apr 8th 2025 Etihad Airways · EY 340 Depart at 9:10pm from Abu Dhabi (AUH) Fly for 4h 25m Arrive at 3:05am in Chennai (MAA)

Layover in Chennai for 3h 20m

Wed Apr 9th 2025 IndiGo Airlines · 6E 1025 Depart at 6:25am from Chennai (MAA) Fly for 4h 25m Arrive at 1:20pm in Singapore (SIN)
US$489

10:00pm - 1:20pm
Sun Apr 13th 2025

27h 20m
Washington, D.C. (IAD) → Singapore (SIN)

2 Stops

Sun Apr 13th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 2h 10m

Mon Apr 14th 2025 Etihad Airways · EY 340 Depart at 9:10pm from Abu Dhabi (AUH) Fly for 4h 25m Arrive at 3:05am in Chennai (MAA)

Layover in Chennai for 3h 20m

Tue Apr 15th 2025 IndiGo Airlines · 6E 1025 Depart at 6:25am from Chennai (MAA) Fly for 4h 25m Arrive at 1:20pm in Singapore (SIN)
US$489

10:00pm - 1:20pm
Wed Apr 16th 2025

27h 20m
Washington, D.C. (IAD) → Singapore (SIN)

2 Stops

Wed Apr 16th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 2h 10m

Thu Apr 17th 2025 Etihad Airways · EY 340 Depart at 9:10pm from Abu Dhabi (AUH) Fly for 4h 25m Arrive at 3:05am in Chennai (MAA)

Layover in Chennai for 3h 20m

Fri Apr 18th 2025 IndiGo Airlines · 6E 1025 Depart at 6:25am from Chennai (MAA) Fly for 4h 25m Arrive at 1:20pm in Singapore (SIN)
US$489

10:00pm - 1:20pm
Mon Apr 14th 2025

27h 20m
Washington, D.C. (IAD) → Singapore (SIN)

2 Stops

Mon Apr 14th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 2h 10m

Tue Apr 15th 2025 Etihad Airways · EY 340 Depart at 9:10pm from Abu Dhabi (AUH) Fly for 4h 25m Arrive at 3:05am in Chennai (MAA)

Layover in Chennai for 3h 20m

Wed Apr 16th 2025 IndiGo Airlines · 6E 1025 Depart at 6:25am from Chennai (MAA) Fly for 4h 25m Arrive at 1:20pm in Singapore (SIN)
US$490

10:00pm - 1:20pm
Wed Apr 9th 2025

27h 20m
Washington, D.C. (IAD) → Singapore (SIN)

2 Stops

Wed Apr 9th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 2h 10m

Thu Apr 10th 2025 Etihad Airways · EY 340 Depart at 9:10pm from Abu Dhabi (AUH) Fly for 4h 25m Arrive at 3:05am in Chennai (MAA)

Layover in Chennai for 3h 20m

Fri Apr 11th 2025 IndiGo Airlines · 6E 1025 Depart at 6:25am from Chennai (MAA) Fly for 4h 25m Arrive at 1:20pm in Singapore (SIN)
US$490

10:00pm - 1:20pm
Thu Apr 3rd 2025

27h 20m
Washington, D.C. (IAD) → Singapore (SIN)

2 Stops

Thu Apr 3rd 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 2h 10m

Fri Apr 4th 2025 Etihad Airways · EY 340 Depart at 9:10pm from Abu Dhabi (AUH) Fly for 4h 25m Arrive at 3:05am in Chennai (MAA)

Layover in Chennai for 3h 20m

Sat Apr 5th 2025 IndiGo Airlines · 6E 1025 Depart at 6:25am from Chennai (MAA) Fly for 4h 25m Arrive at 1:20pm in Singapore (SIN)
US$491

10:00pm - 1:20pm
Tue Apr 15th 2025

27h 20m
Washington, D.C. (IAD) → Singapore (SIN)

2 Stops

Tue Apr 15th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 2h 10m

Wed Apr 16th 2025 Etihad Airways · EY 340 Depart at 9:10pm from Abu Dhabi (AUH) Fly for 4h 25m Arrive at 3:05am in Chennai (MAA)

Layover in Chennai for 3h 20m

Thu Apr 17th 2025 IndiGo Airlines · 6E 1025 Depart at 6:25am from Chennai (MAA) Fly for 4h 25m Arrive at 1:20pm in Singapore (SIN)
US$492

9:40pm - 7:30am
Sun Jul 20th 2025

21h 50m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Sun Jul 20th 2025 Turkish Airlines · TK 8 Depart at 9:40pm from Washington, D.C. (IAD) Fly for 10h 10m Arrive at 2:50pm in Istanbul (IST)

Layover in Istanbul for 1h 0m

Mon Jul 21st 2025 Turkish Airlines · TK 208 Depart at 3:50pm from Istanbul (IST) Fly for 10h 40m Arrive at 7:30am in Singapore (SIN)
US$492

9:40pm - 7:30am
Wed Jul 30th 2025

21h 50m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Wed Jul 30th 2025 Turkish Airlines · TK 8 Depart at 9:40pm from Washington, D.C. (IAD) Fly for 10h 10m Arrive at 2:50pm in Istanbul (IST)

Layover in Istanbul for 1h 0m

Thu Jul 31st 2025 Turkish Airlines · TK 208 Depart at 3:50pm from Istanbul (IST) Fly for 10h 40m Arrive at 7:30am in Singapore (SIN)
US$492

11:00am - 6:30am
Sat Apr 5th 2025

31h 30m
Washington, D.C. (IAD) → Singapore (SIN)

2 Stops

Sat Apr 5th 2025 Air India Limited · AI 104 Depart at 11:00am from Washington, D.C. (IAD) Fly for 14h 15m Arrive at 10:45am in New Delhi (DEL)

Layover in New Delhi for 6h 40m

Sun Apr 6th 2025 Air India Limited · AI 2837 Depart at 5:25pm from New Delhi (DEL) Fly for 2h 50m Arrive at 8:15pm in Chennai (MAA)

Layover in Chennai for 3h 50m

Mon Apr 7th 2025 Scoot · TR 579 Depart at 12:05am from Chennai (MAA) Fly for 3h 55m Arrive at 6:30am in Singapore (SIN)
US$492

11:00am - 6:30am
Tue Apr 15th 2025

31h 30m
Washington, D.C. (IAD) → Singapore (SIN)

2 Stops

Tue Apr 15th 2025 Air India Limited · AI 104 Depart at 11:00am from Washington, D.C. (IAD) Fly for 14h 15m Arrive at 10:45am in New Delhi (DEL)

Layover in New Delhi for 5h 30m

Wed Apr 16th 2025 Air India Limited · AI 537 Depart at 4:15pm from New Delhi (DEL) Fly for 2h 55m Arrive at 7:10pm in Chennai (MAA)

Layover in Chennai for 4h 55m

Thu Apr 17th 2025 Scoot · TR 579 Depart at 12:05am from Chennai (MAA) Fly for 3h 55m Arrive at 6:30am in Singapore (SIN)
US$493

9:40pm - 7:30am
Sun Aug 3rd 2025

21h 50m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Sun Aug 3rd 2025 Turkish Airlines · TK 8 Depart at 9:40pm from Washington, D.C. (IAD) Fly for 10h 10m Arrive at 2:50pm in Istanbul (IST)

Layover in Istanbul for 1h 0m

Mon Aug 4th 2025 Turkish Airlines · TK 208 Depart at 3:50pm from Istanbul (IST) Fly for 10h 40m Arrive at 7:30am in Singapore (SIN)
US$493

9:40pm - 7:30am
Sun Jul 27th 2025

21h 50m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Sun Jul 27th 2025 Turkish Airlines · TK 8 Depart at 9:40pm from Washington, D.C. (IAD) Fly for 10h 10m Arrive at 2:50pm in Istanbul (IST)

Layover in Istanbul for 1h 0m

Mon Jul 28th 2025 Turkish Airlines · TK 208 Depart at 3:50pm from Istanbul (IST) Fly for 10h 40m Arrive at 7:30am in Singapore (SIN)
US$494

11:00am - 6:30am
Sun Apr 13th 2025

31h 30m
Washington, D.C. (IAD) → Singapore (SIN)

2 Stops

Sun Apr 13th 2025 Air India Limited · AI 104 Depart at 11:00am from Washington, D.C. (IAD) Fly for 14h 15m Arrive at 10:45am in New Delhi (DEL)

Layover in New Delhi for 5h 30m

Mon Apr 14th 2025 Air India Limited · AI 537 Depart at 4:15pm from New Delhi (DEL) Fly for 2h 55m Arrive at 7:10pm in Chennai (MAA)

Layover in Chennai for 4h 55m

Tue Apr 15th 2025 Scoot · TR 579 Depart at 12:05am from Chennai (MAA) Fly for 3h 55m Arrive at 6:30am in Singapore (SIN)
US$494

10:00pm - 6:05pm
Tue Apr 1st 2025

32h 5m
Washington, D.C. (IAD) → Singapore (SIN)

2 Stops

Tue Apr 1st 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 7h 50m

Thu Apr 3rd 2025 Etihad Airways · EY 342 Depart at 2:50am from Abu Dhabi (AUH) Fly for 4h 15m Arrive at 8:35am in Chennai (MAA)

Layover in Chennai for 2h 50m

Thu Apr 3rd 2025 Air India Limited · AI 346 Depart at 11:25am from Chennai (MAA) Fly for 4h 10m Arrive at 6:05pm in Singapore (SIN)
US$494

11:00am - 6:30am
Sun Apr 6th 2025

31h 30m
Washington, D.C. (IAD) → Singapore (SIN)

2 Stops

Sun Apr 6th 2025 Air India Limited · AI 104 Depart at 11:00am from Washington, D.C. (IAD) Fly for 14h 15m Arrive at 10:45am in New Delhi (DEL)

Layover in New Delhi for 6h 40m

Mon Apr 7th 2025 Air India Limited · AI 2837 Depart at 5:25pm from New Delhi (DEL) Fly for 2h 50m Arrive at 8:15pm in Chennai (MAA)

Layover in Chennai for 3h 50m

Tue Apr 8th 2025 Scoot · TR 579 Depart at 12:05am from Chennai (MAA) Fly for 3h 55m Arrive at 6:30am in Singapore (SIN)
US$514

9:40pm - 7:30am
Sun Jul 13th 2025

21h 50m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Sun Jul 13th 2025 Turkish Airlines · TK 8 Depart at 9:40pm from Washington, D.C. (IAD) Fly for 10h 10m Arrive at 2:50pm in Istanbul (IST)

Layover in Istanbul for 1h 0m

Mon Jul 14th 2025 Turkish Airlines · TK 208 Depart at 3:50pm from Istanbul (IST) Fly for 10h 40m Arrive at 7:30am in Singapore (SIN)
US$514

9:40pm - 7:30am
Tue Jul 15th 2025

21h 50m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Tue Jul 15th 2025 Turkish Airlines · TK 8 Depart at 9:40pm from Washington, D.C. (IAD) Fly for 10h 10m Arrive at 2:50pm in Istanbul (IST)

Layover in Istanbul for 1h 0m

Wed Jul 16th 2025 Turkish Airlines · TK 208 Depart at 3:50pm from Istanbul (IST) Fly for 10h 40m Arrive at 7:30am in Singapore (SIN)
US$514

9:40pm - 7:30am
Tue Jul 29th 2025

21h 50m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Tue Jul 29th 2025 Turkish Airlines · TK 8 Depart at 9:40pm from Washington, D.C. (IAD) Fly for 10h 10m Arrive at 2:50pm in Istanbul (IST)

Layover in Istanbul for 1h 0m

Wed Jul 30th 2025 Turkish Airlines · TK 208 Depart at 3:50pm from Istanbul (IST) Fly for 10h 40m Arrive at 7:30am in Singapore (SIN)
US$514

9:40pm - 7:30am
Tue Aug 26th 2025

21h 50m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Tue Aug 26th 2025 Turkish Airlines · TK 8 Depart at 9:40pm from Washington, D.C. (IAD) Fly for 10h 10m Arrive at 2:50pm in Istanbul (IST)

Layover in Istanbul for 1h 0m

Wed Aug 27th 2025 Turkish Airlines · TK 208 Depart at 3:50pm from Istanbul (IST) Fly for 10h 40m Arrive at 7:30am in Singapore (SIN)
US$514

9:40pm - 7:30am
Sun Aug 31st 2025

21h 50m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Sun Aug 31st 2025 Turkish Airlines · TK 8 Depart at 9:40pm from Washington, D.C. (IAD) Fly for 10h 10m Arrive at 2:50pm in Istanbul (IST)

Layover in Istanbul for 1h 0m

Mon Sep 1st 2025 Turkish Airlines · TK 208 Depart at 3:50pm from Istanbul (IST) Fly for 10h 40m Arrive at 7:30am in Singapore (SIN)
US$514

9:40pm - 7:30am
Wed Jul 23rd 2025

21h 50m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Wed Jul 23rd 2025 Turkish Airlines · TK 8 Depart at 9:40pm from Washington, D.C. (IAD) Fly for 10h 10m Arrive at 2:50pm in Istanbul (IST)

Layover in Istanbul for 1h 0m

Thu Jul 24th 2025 Turkish Airlines · TK 208 Depart at 3:50pm from Istanbul (IST) Fly for 10h 40m Arrive at 7:30am in Singapore (SIN)
US$514

9:40pm - 7:30am
Wed Jul 16th 2025

21h 50m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Wed Jul 16th 2025 Turkish Airlines · TK 8 Depart at 9:40pm from Washington, D.C. (IAD) Fly for 10h 10m Arrive at 2:50pm in Istanbul (IST)

Layover in Istanbul for 1h 0m

Thu Jul 17th 2025 Turkish Airlines · TK 208 Depart at 3:50pm from Istanbul (IST) Fly for 10h 40m Arrive at 7:30am in Singapore (SIN)
US$514

9:40pm - 7:30am
Sun Aug 24th 2025

21h 50m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Sun Aug 24th 2025 Turkish Airlines · TK 8 Depart at 9:40pm from Washington, D.C. (IAD) Fly for 10h 10m Arrive at 2:50pm in Istanbul (IST)

Layover in Istanbul for 1h 0m

Mon Aug 25th 2025 Turkish Airlines · TK 208 Depart at 3:50pm from Istanbul (IST) Fly for 10h 40m Arrive at 7:30am in Singapore (SIN)
US$514

9:40pm - 7:30am
Wed Aug 27th 2025

21h 50m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Wed Aug 27th 2025 Turkish Airlines · TK 8 Depart at 9:40pm from Washington, D.C. (IAD) Fly for 10h 10m Arrive at 2:50pm in Istanbul (IST)

Layover in Istanbul for 1h 0m

Thu Aug 28th 2025 Turkish Airlines · TK 208 Depart at 3:50pm from Istanbul (IST) Fly for 10h 40m Arrive at 7:30am in Singapore (SIN)
US$514

9:40pm - 7:30am
Tue Aug 5th 2025

21h 50m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Tue Aug 5th 2025 Turkish Airlines · TK 8 Depart at 9:40pm from Washington, D.C. (IAD) Fly for 10h 10m Arrive at 2:50pm in Istanbul (IST)

Layover in Istanbul for 1h 0m

Wed Aug 6th 2025 Turkish Airlines · TK 208 Depart at 3:50pm from Istanbul (IST) Fly for 10h 40m Arrive at 7:30am in Singapore (SIN)
US$514

9:40pm - 7:30am
Wed Aug 6th 2025

21h 50m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Wed Aug 6th 2025 Turkish Airlines · TK 8 Depart at 9:40pm from Washington, D.C. (IAD) Fly for 10h 10m Arrive at 2:50pm in Istanbul (IST)

Layover in Istanbul for 1h 0m

Thu Aug 7th 2025 Turkish Airlines · TK 208 Depart at 3:50pm from Istanbul (IST) Fly for 10h 40m Arrive at 7:30am in Singapore (SIN)
US$514

9:40pm - 7:30am
Wed Aug 20th 2025

21h 50m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Wed Aug 20th 2025 Turkish Airlines · TK 8 Depart at 9:40pm from Washington, D.C. (IAD) Fly for 10h 10m Arrive at 2:50pm in Istanbul (IST)

Layover in Istanbul for 1h 0m

Thu Aug 21st 2025 Turkish Airlines · TK 208 Depart at 3:50pm from Istanbul (IST) Fly for 10h 40m Arrive at 7:30am in Singapore (SIN)
US$514

9:40pm - 7:30am
Tue Jul 22nd 2025

21h 50m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Tue Jul 22nd 2025 Turkish Airlines · TK 8 Depart at 9:40pm from Washington, D.C. (IAD) Fly for 10h 10m Arrive at 2:50pm in Istanbul (IST)

Layover in Istanbul for 1h 0m

Wed Jul 23rd 2025 Turkish Airlines · TK 208 Depart at 3:50pm from Istanbul (IST) Fly for 10h 40m Arrive at 7:30am in Singapore (SIN)
US$514

9:40pm - 7:30am
Sun Aug 17th 2025

21h 50m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Sun Aug 17th 2025 Turkish Airlines · TK 8 Depart at 9:40pm from Washington, D.C. (IAD) Fly for 10h 10m Arrive at 2:50pm in Istanbul (IST)

Layover in Istanbul for 1h 0m

Mon Aug 18th 2025 Turkish Airlines · TK 208 Depart at 3:50pm from Istanbul (IST) Fly for 10h 40m Arrive at 7:30am in Singapore (SIN)
US$514

9:40pm - 7:30am
Sun Aug 10th 2025

21h 50m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Sun Aug 10th 2025 Turkish Airlines · TK 8 Depart at 9:40pm from Washington, D.C. (IAD) Fly for 10h 10m Arrive at 2:50pm in Istanbul (IST)

Layover in Istanbul for 1h 0m

Mon Aug 11th 2025 Turkish Airlines · TK 208 Depart at 3:50pm from Istanbul (IST) Fly for 10h 40m Arrive at 7:30am in Singapore (SIN)
US$514

9:40pm - 7:30am
Tue Aug 19th 2025

21h 50m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Tue Aug 19th 2025 Turkish Airlines · TK 8 Depart at 9:40pm from Washington, D.C. (IAD) Fly for 10h 10m Arrive at 2:50pm in Istanbul (IST)

Layover in Istanbul for 1h 0m

Wed Aug 20th 2025 Turkish Airlines · TK 208 Depart at 3:50pm from Istanbul (IST) Fly for 10h 40m Arrive at 7:30am in Singapore (SIN)
US$514

9:40pm - 7:30am
Wed Aug 13th 2025

21h 50m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Wed Aug 13th 2025 Turkish Airlines · TK 8 Depart at 9:40pm from Washington, D.C. (IAD) Fly for 10h 10m Arrive at 2:50pm in Istanbul (IST)

Layover in Istanbul for 1h 0m

Thu Aug 14th 2025 Turkish Airlines · TK 208 Depart at 3:50pm from Istanbul (IST) Fly for 10h 40m Arrive at 7:30am in Singapore (SIN)
US$514

9:40pm - 7:30am
Tue Aug 12th 2025

21h 50m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Tue Aug 12th 2025 Turkish Airlines · TK 8 Depart at 9:40pm from Washington, D.C. (IAD) Fly for 10h 10m Arrive at 2:50pm in Istanbul (IST)

Layover in Istanbul for 1h 0m

Wed Aug 13th 2025 Turkish Airlines · TK 208 Depart at 3:50pm from Istanbul (IST) Fly for 10h 40m Arrive at 7:30am in Singapore (SIN)
US$535

9:40pm - 7:30am
Fri Jul 25th 2025

21h 50m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Fri Jul 25th 2025 Turkish Airlines · TK 8 Depart at 9:40pm from Washington, D.C. (IAD) Fly for 10h 10m Arrive at 2:50pm in Istanbul (IST)

Layover in Istanbul for 1h 0m

Sat Jul 26th 2025 Turkish Airlines · TK 208 Depart at 3:50pm from Istanbul (IST) Fly for 10h 40m Arrive at 7:30am in Singapore (SIN)
US$535

9:40pm - 7:30am
Fri Aug 15th 2025

21h 50m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Fri Aug 15th 2025 Turkish Airlines · TK 8 Depart at 9:40pm from Washington, D.C. (IAD) Fly for 10h 10m Arrive at 2:50pm in Istanbul (IST)

Layover in Istanbul for 1h 0m

Sat Aug 16th 2025 Turkish Airlines · TK 208 Depart at 3:50pm from Istanbul (IST) Fly for 10h 40m Arrive at 7:30am in Singapore (SIN)
US$536

9:40pm - 7:30am
Fri Jul 18th 2025

21h 50m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Fri Jul 18th 2025 Turkish Airlines · TK 8 Depart at 9:40pm from Washington, D.C. (IAD) Fly for 10h 10m Arrive at 2:50pm in Istanbul (IST)

Layover in Istanbul for 1h 0m

Sat Jul 19th 2025 Turkish Airlines · TK 208 Depart at 3:50pm from Istanbul (IST) Fly for 10h 40m Arrive at 7:30am in Singapore (SIN)
US$557

9:40pm - 7:30am
Fri Aug 29th 2025

21h 50m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Fri Aug 29th 2025 Turkish Airlines · TK 8 Depart at 9:40pm from Washington, D.C. (IAD) Fly for 10h 10m Arrive at 2:50pm in Istanbul (IST)

Layover in Istanbul for 1h 0m

Sat Aug 30th 2025 Turkish Airlines · TK 208 Depart at 3:50pm from Istanbul (IST) Fly for 10h 40m Arrive at 7:30am in Singapore (SIN)
US$557

9:40pm - 7:30am
Fri Aug 22nd 2025

21h 50m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Fri Aug 22nd 2025 Turkish Airlines · TK 8 Depart at 9:40pm from Washington, D.C. (IAD) Fly for 10h 10m Arrive at 2:50pm in Istanbul (IST)

Layover in Istanbul for 1h 0m

Sat Aug 23rd 2025 Turkish Airlines · TK 208 Depart at 3:50pm from Istanbul (IST) Fly for 10h 40m Arrive at 7:30am in Singapore (SIN)
US$557

9:40pm - 7:30am
Fri Aug 8th 2025

21h 50m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Fri Aug 8th 2025 Turkish Airlines · TK 8 Depart at 9:40pm from Washington, D.C. (IAD) Fly for 10h 10m Arrive at 2:50pm in Istanbul (IST)

Layover in Istanbul for 1h 0m

Sat Aug 9th 2025 Turkish Airlines · TK 208 Depart at 3:50pm from Istanbul (IST) Fly for 10h 40m Arrive at 7:30am in Singapore (SIN)
US$557

9:40pm - 7:30am
Fri Aug 1st 2025

21h 50m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Fri Aug 1st 2025 Turkish Airlines · TK 8 Depart at 9:40pm from Washington, D.C. (IAD) Fly for 10h 10m Arrive at 2:50pm in Istanbul (IST)

Layover in Istanbul for 1h 0m

Sat Aug 2nd 2025 Turkish Airlines · TK 208 Depart at 3:50pm from Istanbul (IST) Fly for 10h 40m Arrive at 7:30am in Singapore (SIN)
US$560

10:00pm - 9:45am
Fri Aug 29th 2025

23h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Fri Aug 29th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 3h 5m

Sat Aug 30th 2025 Etihad Airways · EY 498 Depart at 10:05pm from Abu Dhabi (AUH) Fly for 7h 40m Arrive at 9:45am in Singapore (SIN)
US$560

10:00pm - 9:45am
Wed Aug 20th 2025

23h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Wed Aug 20th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 3h 5m

Thu Aug 21st 2025 Etihad Airways · EY 498 Depart at 10:05pm from Abu Dhabi (AUH) Fly for 7h 40m Arrive at 9:45am in Singapore (SIN)
US$560

10:00pm - 9:45am
Fri Apr 25th 2025

23h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Fri Apr 25th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 3h 5m

Sat Apr 26th 2025 Etihad Airways · EY 498 Depart at 10:05pm from Abu Dhabi (AUH) Fly for 7h 40m Arrive at 9:45am in Singapore (SIN)
US$560

10:00pm - 9:45am
Mon Apr 28th 2025

23h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Mon Apr 28th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 3h 5m

Tue Apr 29th 2025 Etihad Airways · EY 498 Depart at 10:05pm from Abu Dhabi (AUH) Fly for 7h 40m Arrive at 9:45am in Singapore (SIN)
US$560

10:00pm - 9:45am
Mon Apr 14th 2025

23h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Mon Apr 14th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 3h 5m

Tue Apr 15th 2025 Etihad Airways · EY 498 Depart at 10:05pm from Abu Dhabi (AUH) Fly for 7h 40m Arrive at 9:45am in Singapore (SIN)
US$560

10:00pm - 9:45am
Sun Aug 31st 2025

23h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Sun Aug 31st 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 3h 5m

Mon Sep 1st 2025 Etihad Airways · EY 498 Depart at 10:05pm from Abu Dhabi (AUH) Fly for 7h 40m Arrive at 9:45am in Singapore (SIN)
US$560

10:00pm - 9:45am
Sun Apr 13th 2025

23h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Sun Apr 13th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 3h 5m

Mon Apr 14th 2025 Etihad Airways · EY 498 Depart at 10:05pm from Abu Dhabi (AUH) Fly for 7h 40m Arrive at 9:45am in Singapore (SIN)
US$560

10:00pm - 9:45am
Thu Apr 17th 2025

23h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Thu Apr 17th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 3h 5m

Fri Apr 18th 2025 Etihad Airways · EY 498 Depart at 10:05pm from Abu Dhabi (AUH) Fly for 7h 40m Arrive at 9:45am in Singapore (SIN)
US$560

10:00pm - 9:45am
Sat Apr 26th 2025

23h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Sat Apr 26th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 3h 5m

Sun Apr 27th 2025 Etihad Airways · EY 498 Depart at 10:05pm from Abu Dhabi (AUH) Fly for 7h 40m Arrive at 9:45am in Singapore (SIN)
US$560

10:00pm - 9:45am
Wed Apr 16th 2025

23h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Wed Apr 16th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 3h 5m

Thu Apr 17th 2025 Etihad Airways · EY 498 Depart at 10:05pm from Abu Dhabi (AUH) Fly for 7h 40m Arrive at 9:45am in Singapore (SIN)
US$560

10:00pm - 9:45am
Sun Aug 17th 2025

23h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Sun Aug 17th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 3h 5m

Mon Aug 18th 2025 Etihad Airways · EY 498 Depart at 10:05pm from Abu Dhabi (AUH) Fly for 7h 40m Arrive at 9:45am in Singapore (SIN)
US$561

12:35pm - 5:55pm
Wed Apr 9th 2025

41h 20m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Wed Apr 9th 2025 Turkish Airlines · TK 188 Depart at 12:35pm from Washington, D.C. (IAD) Fly for 10h 0m Arrive at 5:35am in Istanbul (IST)

Layover in Istanbul for 20h 30m

Fri Apr 11th 2025 Turkish Airlines · TK 54 Depart at 2:05am from Istanbul (IST) Fly for 10h 50m Arrive at 5:55pm in Singapore (SIN)
US$562

11:00am - 9:45pm
Wed Apr 9th 2025

22h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Wed Apr 9th 2025 Air India Limited · AI 104 Depart at 11:00am from Washington, D.C. (IAD) Fly for 14h 15m Arrive at 10:45am in New Delhi (DEL)

Layover in New Delhi for 2h 10m

Thu Apr 10th 2025 Air India Limited · AI 382 Depart at 12:55pm from New Delhi (DEL) Fly for 6h 20m Arrive at 9:45pm in Singapore (SIN)
US$563

11:00am - 9:45pm
Tue Apr 1st 2025

22h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Tue Apr 1st 2025 Air India Limited · AI 104 Depart at 11:00am from Washington, D.C. (IAD) Fly for 14h 15m Arrive at 10:45am in New Delhi (DEL)

Layover in New Delhi for 2h 10m

Wed Apr 2nd 2025 Air India Limited · AI 382 Depart at 12:55pm from New Delhi (DEL) Fly for 6h 20m Arrive at 9:45pm in Singapore (SIN)
US$563

11:00am - 9:45pm
Tue Apr 8th 2025

22h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Tue Apr 8th 2025 Air India Limited · AI 104 Depart at 11:00am from Washington, D.C. (IAD) Fly for 14h 15m Arrive at 10:45am in New Delhi (DEL)

Layover in New Delhi for 2h 10m

Wed Apr 9th 2025 Air India Limited · AI 382 Depart at 12:55pm from New Delhi (DEL) Fly for 6h 20m Arrive at 9:45pm in Singapore (SIN)
US$565

11:00am - 9:45pm
Tue Apr 15th 2025

22h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Tue Apr 15th 2025 Air India Limited · AI 104 Depart at 11:00am from Washington, D.C. (IAD) Fly for 14h 15m Arrive at 10:45am in New Delhi (DEL)

Layover in New Delhi for 2h 10m

Wed Apr 16th 2025 Air India Limited · AI 382 Depart at 12:55pm from New Delhi (DEL) Fly for 6h 20m Arrive at 9:45pm in Singapore (SIN)
US$565

11:00am - 9:45pm
Tue Apr 22nd 2025

22h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Tue Apr 22nd 2025 Air India Limited · AI 104 Depart at 11:00am from Washington, D.C. (IAD) Fly for 14h 15m Arrive at 10:45am in New Delhi (DEL)

Layover in New Delhi for 2h 10m

Wed Apr 23rd 2025 Air India Limited · AI 382 Depart at 12:55pm from New Delhi (DEL) Fly for 6h 20m Arrive at 9:45pm in Singapore (SIN)
US$566

9:40pm - 7:30am
Wed May 7th 2025

21h 50m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Wed May 7th 2025 Turkish Airlines · TK 8 Depart at 9:40pm from Washington, D.C. (IAD) Fly for 10h 10m Arrive at 2:50pm in Istanbul (IST)

Layover in Istanbul for 1h 0m

Thu May 8th 2025 Turkish Airlines · TK 208 Depart at 3:50pm from Istanbul (IST) Fly for 10h 40m Arrive at 7:30am in Singapore (SIN)
US$566

11:00am - 9:45pm
Wed Apr 23rd 2025

22h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Wed Apr 23rd 2025 Air India Limited · AI 104 Depart at 11:00am from Washington, D.C. (IAD) Fly for 14h 15m Arrive at 10:45am in New Delhi (DEL)

Layover in New Delhi for 2h 10m

Thu Apr 24th 2025 Air India Limited · AI 382 Depart at 12:55pm from New Delhi (DEL) Fly for 6h 20m Arrive at 9:45pm in Singapore (SIN)
US$566

10:00pm - 9:45am
Thu Aug 28th 2025

23h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Thu Aug 28th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 3h 5m

Fri Aug 29th 2025 Etihad Airways · EY 498 Depart at 10:05pm from Abu Dhabi (AUH) Fly for 7h 40m Arrive at 9:45am in Singapore (SIN)
US$566

10:00pm - 9:45am
Mon Apr 21st 2025

23h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Mon Apr 21st 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 3h 5m

Tue Apr 22nd 2025 Etihad Airways · EY 498 Depart at 10:05pm from Abu Dhabi (AUH) Fly for 7h 40m Arrive at 9:45am in Singapore (SIN)
US$566

10:00pm - 9:45am
Sat Aug 23rd 2025

23h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Sat Aug 23rd 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 3h 5m

Sun Aug 24th 2025 Etihad Airways · EY 498 Depart at 10:05pm from Abu Dhabi (AUH) Fly for 7h 40m Arrive at 9:45am in Singapore (SIN)
US$566

10:00pm - 9:45am
Sat Apr 19th 2025

23h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Sat Apr 19th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 3h 5m

Sun Apr 20th 2025 Etihad Airways · EY 498 Depart at 10:05pm from Abu Dhabi (AUH) Fly for 7h 40m Arrive at 9:45am in Singapore (SIN)
US$566

10:00pm - 9:45am
Tue Apr 22nd 2025

23h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Tue Apr 22nd 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 3h 5m

Wed Apr 23rd 2025 Etihad Airways · EY 498 Depart at 10:05pm from Abu Dhabi (AUH) Fly for 7h 40m Arrive at 9:45am in Singapore (SIN)
US$566

10:00pm - 9:45am
Wed Apr 23rd 2025

23h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Wed Apr 23rd 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 3h 5m

Thu Apr 24th 2025 Etihad Airways · EY 498 Depart at 10:05pm from Abu Dhabi (AUH) Fly for 7h 40m Arrive at 9:45am in Singapore (SIN)
US$566

10:00pm - 9:45am
Fri Aug 22nd 2025

23h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Fri Aug 22nd 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 3h 5m

Sat Aug 23rd 2025 Etihad Airways · EY 498 Depart at 10:05pm from Abu Dhabi (AUH) Fly for 7h 40m Arrive at 9:45am in Singapore (SIN)
US$566

10:00pm - 9:45am
Sun Apr 20th 2025

23h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Sun Apr 20th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 3h 5m

Mon Apr 21st 2025 Etihad Airways · EY 498 Depart at 10:05pm from Abu Dhabi (AUH) Fly for 7h 40m Arrive at 9:45am in Singapore (SIN)
US$566

10:00pm - 9:45am
Tue Apr 8th 2025

23h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Tue Apr 8th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 3h 5m

Wed Apr 9th 2025 Etihad Airways · EY 498 Depart at 10:05pm from Abu Dhabi (AUH) Fly for 7h 40m Arrive at 9:45am in Singapore (SIN)
US$566

10:00pm - 9:45am
Fri Apr 18th 2025

23h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Fri Apr 18th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 3h 5m

Sat Apr 19th 2025 Etihad Airways · EY 498 Depart at 10:05pm from Abu Dhabi (AUH) Fly for 7h 40m Arrive at 9:45am in Singapore (SIN)
US$566

10:00pm - 9:45am
Thu Apr 24th 2025

23h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Thu Apr 24th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 3h 5m

Fri Apr 25th 2025 Etihad Airways · EY 498 Depart at 10:05pm from Abu Dhabi (AUH) Fly for 7h 40m Arrive at 9:45am in Singapore (SIN)
US$566

10:00pm - 9:45am
Mon Apr 7th 2025

23h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Mon Apr 7th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 3h 5m

Tue Apr 8th 2025 Etihad Airways · EY 498 Depart at 10:05pm from Abu Dhabi (AUH) Fly for 7h 40m Arrive at 9:45am in Singapore (SIN)
US$566

10:00pm - 9:45am
Sun Apr 6th 2025

23h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Sun Apr 6th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 3h 5m

Mon Apr 7th 2025 Etihad Airways · EY 498 Depart at 10:05pm from Abu Dhabi (AUH) Fly for 7h 40m Arrive at 9:45am in Singapore (SIN)
US$566

10:00pm - 9:45am
Tue Apr 15th 2025

23h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Tue Apr 15th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 3h 5m

Wed Apr 16th 2025 Etihad Airways · EY 498 Depart at 10:05pm from Abu Dhabi (AUH) Fly for 7h 40m Arrive at 9:45am in Singapore (SIN)
US$566

10:00pm - 9:45am
Tue Apr 29th 2025

23h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Tue Apr 29th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 3h 5m

Wed Apr 30th 2025 Etihad Airways · EY 498 Depart at 10:05pm from Abu Dhabi (AUH) Fly for 7h 40m Arrive at 9:45am in Singapore (SIN)
US$566

10:00pm - 9:45am
Tue Apr 1st 2025

23h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Tue Apr 1st 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 3h 5m

Wed Apr 2nd 2025 Etihad Airways · EY 498 Depart at 10:05pm from Abu Dhabi (AUH) Fly for 7h 40m Arrive at 9:45am in Singapore (SIN)
US$566

10:00pm - 9:45am
Sun Apr 27th 2025

23h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Sun Apr 27th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 3h 5m

Mon Apr 28th 2025 Etihad Airways · EY 498 Depart at 10:05pm from Abu Dhabi (AUH) Fly for 7h 40m Arrive at 9:45am in Singapore (SIN)
US$566

10:00pm - 9:45am
Thu Apr 10th 2025

23h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Thu Apr 10th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 3h 5m

Fri Apr 11th 2025 Etihad Airways · EY 498 Depart at 10:05pm from Abu Dhabi (AUH) Fly for 7h 40m Arrive at 9:45am in Singapore (SIN)
US$566

10:00pm - 9:45am
Wed Apr 9th 2025

23h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Wed Apr 9th 2025 Etihad Airways · EY 6 Depart at 10:00pm from Washington, D.C. (IAD) Fly for 13h 0m Arrive at 7:00pm in Abu Dhabi (AUH)

Layover in Abu Dhabi for 3h 5m

Thu Apr 10th 2025 Etihad Airways · EY 498 Depart at 10:05pm from Abu Dhabi (AUH) Fly for 7h 40m Arrive at 9:45am in Singapore (SIN)
US$567

11:00am - 9:45pm
Wed Apr 2nd 2025

22h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Wed Apr 2nd 2025 Air India Limited · AI 104 Depart at 11:00am from Washington, D.C. (IAD) Fly for 14h 15m Arrive at 10:45am in New Delhi (DEL)

Layover in New Delhi for 2h 10m

Thu Apr 3rd 2025 Air India Limited · AI 382 Depart at 12:55pm from New Delhi (DEL) Fly for 6h 20m Arrive at 9:45pm in Singapore (SIN)
US$573

11:00am - 9:45pm
Sun Apr 6th 2025

22h 45m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Sun Apr 6th 2025 Air India Limited · AI 104 Depart at 11:00am from Washington, D.C. (IAD) Fly for 14h 15m Arrive at 10:45am in New Delhi (DEL)

Layover in New Delhi for 2h 10m

Mon Apr 7th 2025 Air India Limited · AI 382 Depart at 12:55pm from New Delhi (DEL) Fly for 6h 20m Arrive at 9:45pm in Singapore (SIN)
US$2757

8:45pm - 5:55am
Thu May 15th 2025

21h 10m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Thu May 15th 2025 Swiss International Air Lines · LX 73 Depart at 8:45pm from Washington, D.C. (IAD) Fly for 8h 5m Arrive at 10:50am in Zürich (ZRH)

Layover in Zürich for 0h 55m

Fri May 16th 2025 Swiss International Air Lines · LX 9000 Depart at 11:45am from Zürich (ZRH) Fly for 12h 10m Arrive at 5:55am in Singapore (SIN)
US$2757

8:45pm - 5:55am
Thu Apr 24th 2025

21h 10m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Thu Apr 24th 2025 Swiss International Air Lines · LX 73 Depart at 8:45pm from Washington, D.C. (IAD) Fly for 8h 5m Arrive at 10:50am in Zürich (ZRH)

Layover in Zürich for 0h 55m

Fri Apr 25th 2025 Swiss International Air Lines · LX 9000 Depart at 11:45am from Zürich (ZRH) Fly for 12h 10m Arrive at 5:55am in Singapore (SIN)
US$2757

8:45pm - 5:55am
Tue May 13th 2025

21h 10m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Tue May 13th 2025 Swiss International Air Lines · LX 73 Depart at 8:45pm from Washington, D.C. (IAD) Fly for 8h 5m Arrive at 10:50am in Zürich (ZRH)

Layover in Zürich for 0h 55m

Wed May 14th 2025 Swiss International Air Lines · LX 9000 Depart at 11:45am from Zürich (ZRH) Fly for 12h 10m Arrive at 5:55am in Singapore (SIN)
US$2757

8:45pm - 5:55am
Sun Apr 20th 2025

21h 10m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Sun Apr 20th 2025 Swiss International Air Lines · LX 73 Depart at 8:45pm from Washington, D.C. (IAD) Fly for 8h 5m Arrive at 10:50am in Zürich (ZRH)

Layover in Zürich for 0h 55m

Mon Apr 21st 2025 Swiss International Air Lines · LX 9000 Depart at 11:45am from Zürich (ZRH) Fly for 12h 10m Arrive at 5:55am in Singapore (SIN)
US$2757

8:45pm - 5:55am
Sun Apr 13th 2025

21h 10m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Sun Apr 13th 2025 Swiss International Air Lines · LX 73 Depart at 8:45pm from Washington, D.C. (IAD) Fly for 8h 5m Arrive at 10:50am in Zürich (ZRH)

Layover in Zürich for 0h 55m

Mon Apr 14th 2025 Swiss International Air Lines · LX 9000 Depart at 11:45am from Zürich (ZRH) Fly for 12h 10m Arrive at 5:55am in Singapore (SIN)
US$2757

8:45pm - 5:55am
Mon Aug 11th 2025

21h 10m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Mon Aug 11th 2025 Swiss International Air Lines · LX 73 Depart at 8:45pm from Washington, D.C. (IAD) Fly for 8h 5m Arrive at 10:50am in Zürich (ZRH)

Layover in Zürich for 0h 55m

Tue Aug 12th 2025 Swiss International Air Lines · LX 9000 Depart at 11:45am from Zürich (ZRH) Fly for 12h 10m Arrive at 5:55am in Singapore (SIN)
US$2760

8:45pm - 5:55am
Mon Apr 7th 2025

21h 10m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Mon Apr 7th 2025 Swiss International Air Lines · LX 73 Depart at 8:45pm from Washington, D.C. (IAD) Fly for 8h 5m Arrive at 10:50am in Zürich (ZRH)

Layover in Zürich for 0h 55m

Tue Apr 8th 2025 Swiss International Air Lines · LX 9000 Depart at 11:45am from Zürich (ZRH) Fly for 12h 10m Arrive at 5:55am in Singapore (SIN)
US$2760

8:45pm - 5:55am
Fri Apr 25th 2025

21h 10m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Fri Apr 25th 2025 Swiss International Air Lines · LX 73 Depart at 8:45pm from Washington, D.C. (IAD) Fly for 8h 5m Arrive at 10:50am in Zürich (ZRH)

Layover in Zürich for 0h 55m

Sat Apr 26th 2025 Swiss International Air Lines · LX 9000 Depart at 11:45am from Zürich (ZRH) Fly for 12h 10m Arrive at 5:55am in Singapore (SIN)
US$2766

8:45pm - 5:55am
Wed Apr 2nd 2025

21h 10m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Wed Apr 2nd 2025 Swiss International Air Lines · LX 73 Depart at 8:45pm from Washington, D.C. (IAD) Fly for 8h 5m Arrive at 10:50am in Zürich (ZRH)

Layover in Zürich for 0h 55m

Thu Apr 3rd 2025 Swiss International Air Lines · LX 9000 Depart at 11:45am from Zürich (ZRH) Fly for 12h 10m Arrive at 5:55am in Singapore (SIN)
US$2766

8:45pm - 5:55am
Thu Apr 3rd 2025

21h 10m
Washington, D.C. (IAD) → Singapore (SIN)

1 Stop

Thu Apr 3rd 2025 Swiss International Air Lines · LX 73 Depart at 8:45pm from Washington, D.C. (IAD) Fly for 8h 5m Arrive at 10:50am in Zürich (ZRH)

Layover in Zürich for 0h 55m

Fri Apr 4th 2025 Swiss International Air Lines · LX 9000 Depart at 11:45am from Zürich (ZRH) Fly for 12h 10m Arrive at 5:55am in Singapore (SIN)

Sarah Belizaire

@sarahbb1

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John Ford

@eyupitsjohn

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Roaming Sonaa

@roamingsonaa

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Andy Travels

@andy_travels

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Travel With Bender

@travelwitbender

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Wesley Mergard

@travel.with.wes

One useful tool I've found for evaluating different departure and return dates is called FlightList.io. You can quickly scan different travel date ranges, carriers and one way flight options to easily determine the cheapest flight combinations for your trip.

Flights from Washington to Singapore (IAD to SIN)

Sarah Belizaire

John Ford

Roaming Sonaa

Andy Travels

Travel With Bender

Wesley Mergard

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