Flights from Knoxville to Philadelphia (TYS to PHL)

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US$729

7:00am - 2:18pm
Thu Apr 24th 2025

7h 18m
Knoxville (TYS) → Philadelphia (PHL)

1 Stop

6:15am - 10:05am
Tue Apr 29th 2025

3h 50m
Philadelphia (PHL) → Knoxville (TYS)

1 Stop

Thu Apr 24th 2025 United Airlines · UA 1594 Depart at 7:00am from Knoxville (TYS) Fly for 1h 57m Arrive at 7:57am in Chicago (ORD)

Layover in Chicago for 3h 13m

Thu Apr 24th 2025 United Airlines · UA 2182 Depart at 11:10am from Chicago (ORD) Fly for 2h 8m Arrive at 2:18pm in Philadelphia (PHL)

Stay in Philadelphia for 4 nights

Tue Apr 29th 2025 United Airlines · UA 4575 Depart at 6:15am from Philadelphia (PHL) Fly for 1h 6m Arrive at 7:21am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 0h 59m

Tue Apr 29th 2025 United Airlines · UA 4257 Depart at 8:20am from Washington, D.C. (IAD) Fly for 1h 45m Arrive at 10:05am in Knoxville (TYS)
US$729

7:00am - 2:18pm
Thu Apr 24th 2025

7h 18m
Knoxville (TYS) → Philadelphia (PHL)

1 Stop

10:43am - 2:40pm
Tue Apr 29th 2025

3h 57m
Philadelphia (PHL) → Knoxville (TYS)

1 Stop

Thu Apr 24th 2025 United Airlines · UA 1594 Depart at 7:00am from Knoxville (TYS) Fly for 1h 57m Arrive at 7:57am in Chicago (ORD)

Layover in Chicago for 3h 13m

Thu Apr 24th 2025 United Airlines · UA 2182 Depart at 11:10am from Chicago (ORD) Fly for 2h 8m Arrive at 2:18pm in Philadelphia (PHL)

Stay in Philadelphia for 4 nights

Tue Apr 29th 2025 United Airlines · UA 4578 Depart at 10:43am from Philadelphia (PHL) Fly for 1h 6m Arrive at 11:49am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 6m

Tue Apr 29th 2025 United Airlines · UA 4282 Depart at 12:55pm from Washington, D.C. (IAD) Fly for 1h 45m Arrive at 2:40pm in Knoxville (TYS)
US$729

7:00am - 2:18pm
Thu Apr 24th 2025

7h 18m
Knoxville (TYS) → Philadelphia (PHL)

1 Stop

5:01pm - 10:22pm
Tue Apr 29th 2025

5h 21m
Philadelphia (PHL) → Knoxville (TYS)

1 Stop

Thu Apr 24th 2025 United Airlines · UA 1594 Depart at 7:00am from Knoxville (TYS) Fly for 1h 57m Arrive at 7:57am in Chicago (ORD)

Layover in Chicago for 3h 13m

Thu Apr 24th 2025 United Airlines · UA 2182 Depart at 11:10am from Chicago (ORD) Fly for 2h 8m Arrive at 2:18pm in Philadelphia (PHL)

Stay in Philadelphia for 5 nights

Tue Apr 29th 2025 United Airlines · UA 308 Depart at 5:01pm from Philadelphia (PHL) Fly for 2h 24m Arrive at 6:25pm in Chicago (ORD)

Layover in Chicago for 1h 10m

Tue Apr 29th 2025 United Airlines · UA 2038 Depart at 7:35pm from Chicago (ORD) Fly for 1h 47m Arrive at 10:22pm in Knoxville (TYS)
US$743

5:45am - 9:50am
Fri Apr 25th 2025

4h 5m
Knoxville (TYS) → Philadelphia (PHL)

1 Stop

6:15am - 10:05am
Fri May 2nd 2025

3h 50m
Philadelphia (PHL) → Knoxville (TYS)

1 Stop

Fri Apr 25th 2025 United Airlines · UA 4311 Depart at 5:45am from Knoxville (TYS) Fly for 1h 45m Arrive at 7:30am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 10m

Fri Apr 25th 2025 United Airlines · UA 4538 Depart at 8:40am from Washington, D.C. (IAD) Fly for 1h 10m Arrive at 9:50am in Philadelphia (PHL)

Stay in Philadelphia for 6 nights

Fri May 2nd 2025 United Airlines · UA 4575 Depart at 6:15am from Philadelphia (PHL) Fly for 1h 6m Arrive at 7:21am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 0h 59m

Fri May 2nd 2025 United Airlines · UA 4257 Depart at 8:20am from Washington, D.C. (IAD) Fly for 1h 45m Arrive at 10:05am in Knoxville (TYS)
US$743

5:45am - 9:50am
Fri Apr 25th 2025

4h 5m
Knoxville (TYS) → Philadelphia (PHL)

1 Stop

10:44am - 2:35pm
Fri May 2nd 2025

3h 51m
Philadelphia (PHL) → Knoxville (TYS)

1 Stop

Fri Apr 25th 2025 United Airlines · UA 4311 Depart at 5:45am from Knoxville (TYS) Fly for 1h 45m Arrive at 7:30am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 10m

Fri Apr 25th 2025 United Airlines · UA 4538 Depart at 8:40am from Washington, D.C. (IAD) Fly for 1h 10m Arrive at 9:50am in Philadelphia (PHL)

Stay in Philadelphia for 7 nights

Fri May 2nd 2025 United Airlines · UA 4578 Depart at 10:44am from Philadelphia (PHL) Fly for 1h 6m Arrive at 11:50am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 0m

Fri May 2nd 2025 United Airlines · UA 4282 Depart at 12:50pm from Washington, D.C. (IAD) Fly for 1h 45m Arrive at 2:35pm in Knoxville (TYS)
US$743

5:45am - 9:50am
Fri Apr 25th 2025

4h 5m
Knoxville (TYS) → Philadelphia (PHL)

1 Stop

5:01pm - 10:45pm
Fri May 2nd 2025

5h 44m
Philadelphia (PHL) → Knoxville (TYS)

1 Stop

Fri Apr 25th 2025 United Airlines · UA 4311 Depart at 5:45am from Knoxville (TYS) Fly for 1h 45m Arrive at 7:30am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 10m

Fri Apr 25th 2025 United Airlines · UA 4538 Depart at 8:40am from Washington, D.C. (IAD) Fly for 1h 10m Arrive at 9:50am in Philadelphia (PHL)

Stay in Philadelphia for 7 nights

Fri May 2nd 2025 United Airlines · UA 308 Depart at 5:01pm from Philadelphia (PHL) Fly for 2h 24m Arrive at 6:25pm in Chicago (ORD)

Layover in Chicago for 1h 33m

Fri May 2nd 2025 United Airlines · UA 1069 Depart at 7:58pm from Chicago (ORD) Fly for 1h 47m Arrive at 10:45pm in Knoxville (TYS)
US$743

2:20pm - 6:59pm
Fri Apr 25th 2025

4h 39m
Knoxville (TYS) → Philadelphia (PHL)

1 Stop

5:01pm - 10:45pm
Fri May 2nd 2025

5h 44m
Philadelphia (PHL) → Knoxville (TYS)

1 Stop

Fri Apr 25th 2025 United Airlines · UA 4848 Depart at 2:20pm from Knoxville (TYS) Fly for 1h 45m Arrive at 4:05pm in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 40m

Fri Apr 25th 2025 United Airlines · UA 4539 Depart at 5:45pm from Washington, D.C. (IAD) Fly for 1h 14m Arrive at 6:59pm in Philadelphia (PHL)

Stay in Philadelphia for 6 nights

Fri May 2nd 2025 United Airlines · UA 308 Depart at 5:01pm from Philadelphia (PHL) Fly for 2h 24m Arrive at 6:25pm in Chicago (ORD)

Layover in Chicago for 1h 33m

Fri May 2nd 2025 United Airlines · UA 1069 Depart at 7:58pm from Chicago (ORD) Fly for 1h 47m Arrive at 10:45pm in Knoxville (TYS)
US$743

5:45am - 9:50am
Fri Apr 25th 2025

4h 5m
Knoxville (TYS) → Philadelphia (PHL)

1 Stop

6:30am - 1:22pm
Fri May 2nd 2025

6h 52m
Philadelphia (PHL) → Knoxville (TYS)

1 Stop

Fri Apr 25th 2025 United Airlines · UA 4311 Depart at 5:45am from Knoxville (TYS) Fly for 1h 45m Arrive at 7:30am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 10m

Fri Apr 25th 2025 United Airlines · UA 4538 Depart at 8:40am from Washington, D.C. (IAD) Fly for 1h 10m Arrive at 9:50am in Philadelphia (PHL)

Stay in Philadelphia for 6 nights

Fri May 2nd 2025 United Airlines · UA 1958 Depart at 6:30am from Philadelphia (PHL) Fly for 2h 24m Arrive at 7:54am in Chicago (ORD)

Layover in Chicago for 2h 41m

Fri May 2nd 2025 United Airlines · UA 4505 Depart at 10:35am from Chicago (ORD) Fly for 1h 47m Arrive at 1:22pm in Knoxville (TYS)
US$743

5:25pm - 12:39am
Thu Apr 24th 2025

7h 14m
Knoxville (TYS) → Philadelphia (PHL)

1 Stop

6:15am - 10:05am
Thu May 1st 2025

3h 50m
Philadelphia (PHL) → Knoxville (TYS)

1 Stop

Thu Apr 24th 2025 United Airlines · UA 5979 Depart at 5:25pm from Knoxville (TYS) Fly for 1h 59m Arrive at 6:24pm in Chicago (ORD)

Layover in Chicago for 3h 11m

Thu Apr 24th 2025 United Airlines · UA 2487 Depart at 9:35pm from Chicago (ORD) Fly for 2h 4m Arrive at 12:39am in Philadelphia (PHL)

Stay in Philadelphia for 6 nights

Thu May 1st 2025 United Airlines · UA 4575 Depart at 6:15am from Philadelphia (PHL) Fly for 1h 6m Arrive at 7:21am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 0h 59m

Thu May 1st 2025 United Airlines · UA 4257 Depart at 8:20am from Washington, D.C. (IAD) Fly for 1h 45m Arrive at 10:05am in Knoxville (TYS)
US$743

5:25pm - 12:39am
Fri Apr 25th 2025

7h 14m
Knoxville (TYS) → Philadelphia (PHL)

1 Stop

6:15am - 10:05am
Fri May 2nd 2025

3h 50m
Philadelphia (PHL) → Knoxville (TYS)

1 Stop

Fri Apr 25th 2025 United Airlines · UA 5979 Depart at 5:25pm from Knoxville (TYS) Fly for 1h 59m Arrive at 6:24pm in Chicago (ORD)

Layover in Chicago for 3h 11m

Fri Apr 25th 2025 United Airlines · UA 2487 Depart at 9:35pm from Chicago (ORD) Fly for 2h 4m Arrive at 12:39am in Philadelphia (PHL)

Stay in Philadelphia for 6 nights

Fri May 2nd 2025 United Airlines · UA 4575 Depart at 6:15am from Philadelphia (PHL) Fly for 1h 6m Arrive at 7:21am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 0h 59m

Fri May 2nd 2025 United Airlines · UA 4257 Depart at 8:20am from Washington, D.C. (IAD) Fly for 1h 45m Arrive at 10:05am in Knoxville (TYS)
US$743

5:25pm - 12:39am
Fri Apr 25th 2025

7h 14m
Knoxville (TYS) → Philadelphia (PHL)

1 Stop

10:44am - 2:35pm
Fri May 2nd 2025

3h 51m
Philadelphia (PHL) → Knoxville (TYS)

1 Stop

Fri Apr 25th 2025 United Airlines · UA 5979 Depart at 5:25pm from Knoxville (TYS) Fly for 1h 59m Arrive at 6:24pm in Chicago (ORD)

Layover in Chicago for 3h 11m

Fri Apr 25th 2025 United Airlines · UA 2487 Depart at 9:35pm from Chicago (ORD) Fly for 2h 4m Arrive at 12:39am in Philadelphia (PHL)

Stay in Philadelphia for 6 nights

Fri May 2nd 2025 United Airlines · UA 4578 Depart at 10:44am from Philadelphia (PHL) Fly for 1h 6m Arrive at 11:50am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 0m

Fri May 2nd 2025 United Airlines · UA 4282 Depart at 12:50pm from Washington, D.C. (IAD) Fly for 1h 45m Arrive at 2:35pm in Knoxville (TYS)
US$743

5:25pm - 12:39am
Thu Apr 24th 2025

7h 14m
Knoxville (TYS) → Philadelphia (PHL)

1 Stop

5:01pm - 10:45pm
Thu May 1st 2025

5h 44m
Philadelphia (PHL) → Knoxville (TYS)

1 Stop

Thu Apr 24th 2025 United Airlines · UA 5979 Depart at 5:25pm from Knoxville (TYS) Fly for 1h 59m Arrive at 6:24pm in Chicago (ORD)

Layover in Chicago for 3h 11m

Thu Apr 24th 2025 United Airlines · UA 2487 Depart at 9:35pm from Chicago (ORD) Fly for 2h 4m Arrive at 12:39am in Philadelphia (PHL)

Stay in Philadelphia for 6 nights

Thu May 1st 2025 United Airlines · UA 308 Depart at 5:01pm from Philadelphia (PHL) Fly for 2h 24m Arrive at 6:25pm in Chicago (ORD)

Layover in Chicago for 1h 33m

Thu May 1st 2025 United Airlines · UA 1069 Depart at 7:58pm from Chicago (ORD) Fly for 1h 47m Arrive at 10:45pm in Knoxville (TYS)
US$802

5:45am - 9:50am
Fri Apr 25th 2025

4h 5m
Knoxville (TYS) → Philadelphia (PHL)

1 Stop

3:10pm - 7:31pm
Fri May 2nd 2025

4h 21m
Philadelphia (PHL) → Knoxville (TYS)

1 Stop

Fri Apr 25th 2025 United Airlines · UA 4311 Depart at 5:45am from Knoxville (TYS) Fly for 1h 45m Arrive at 7:30am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 10m

Fri Apr 25th 2025 United Airlines · UA 4538 Depart at 8:40am from Washington, D.C. (IAD) Fly for 1h 10m Arrive at 9:50am in Philadelphia (PHL)

Stay in Philadelphia for 7 nights

Fri May 2nd 2025 United Airlines · UA 4576 Depart at 3:10pm from Philadelphia (PHL) Fly for 1h 10m Arrive at 4:20pm in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 25m

Fri May 2nd 2025 United Airlines · UA 4914 Depart at 5:45pm from Washington, D.C. (IAD) Fly for 1h 46m Arrive at 7:31pm in Knoxville (TYS)
US$849

5:45am - 9:50am
Sat Apr 26th 2025

4h 5m
Knoxville (TYS) → Philadelphia (PHL)

1 Stop

6:15am - 10:05am
Sat May 3rd 2025

3h 50m
Philadelphia (PHL) → Knoxville (TYS)

1 Stop

Sat Apr 26th 2025 United Airlines · UA 4311 Depart at 5:45am from Knoxville (TYS) Fly for 1h 45m Arrive at 7:30am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 10m

Sat Apr 26th 2025 United Airlines · UA 4538 Depart at 8:40am from Washington, D.C. (IAD) Fly for 1h 10m Arrive at 9:50am in Philadelphia (PHL)

Stay in Philadelphia for 6 nights

Sat May 3rd 2025 United Airlines · UA 4575 Depart at 6:15am from Philadelphia (PHL) Fly for 1h 6m Arrive at 7:21am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 0h 59m

Sat May 3rd 2025 United Airlines · UA 4257 Depart at 8:20am from Washington, D.C. (IAD) Fly for 1h 45m Arrive at 10:05am in Knoxville (TYS)
US$849

5:45am - 9:50am
Sat Apr 26th 2025

4h 5m
Knoxville (TYS) → Philadelphia (PHL)

1 Stop

10:44am - 2:35pm
Sat May 3rd 2025

3h 51m
Philadelphia (PHL) → Knoxville (TYS)

1 Stop

Sat Apr 26th 2025 United Airlines · UA 4311 Depart at 5:45am from Knoxville (TYS) Fly for 1h 45m Arrive at 7:30am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 10m

Sat Apr 26th 2025 United Airlines · UA 4538 Depart at 8:40am from Washington, D.C. (IAD) Fly for 1h 10m Arrive at 9:50am in Philadelphia (PHL)

Stay in Philadelphia for 7 nights

Sat May 3rd 2025 United Airlines · UA 4578 Depart at 10:44am from Philadelphia (PHL) Fly for 1h 6m Arrive at 11:50am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 0m

Sat May 3rd 2025 United Airlines · UA 4282 Depart at 12:50pm from Washington, D.C. (IAD) Fly for 1h 45m Arrive at 2:35pm in Knoxville (TYS)
US$849

5:45am - 9:50am
Sat Apr 26th 2025

4h 5m
Knoxville (TYS) → Philadelphia (PHL)

1 Stop

3:10pm - 7:31pm
Sat May 3rd 2025

4h 21m
Philadelphia (PHL) → Knoxville (TYS)

1 Stop

Sat Apr 26th 2025 United Airlines · UA 4311 Depart at 5:45am from Knoxville (TYS) Fly for 1h 45m Arrive at 7:30am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 10m

Sat Apr 26th 2025 United Airlines · UA 4538 Depart at 8:40am from Washington, D.C. (IAD) Fly for 1h 10m Arrive at 9:50am in Philadelphia (PHL)

Stay in Philadelphia for 7 nights

Sat May 3rd 2025 United Airlines · UA 4345 Depart at 3:10pm from Philadelphia (PHL) Fly for 1h 10m Arrive at 4:20pm in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 25m

Sat May 3rd 2025 United Airlines · UA 4914 Depart at 5:45pm from Washington, D.C. (IAD) Fly for 1h 46m Arrive at 7:31pm in Knoxville (TYS)
US$906

5:45am - 9:50am
Thu Apr 24th 2025

4h 5m
Knoxville (TYS) → Philadelphia (PHL)

1 Stop

6:15am - 10:05am
Thu May 1st 2025

3h 50m
Philadelphia (PHL) → Knoxville (TYS)

1 Stop

Thu Apr 24th 2025 United Airlines · UA 4311 Depart at 5:45am from Knoxville (TYS) Fly for 1h 45m Arrive at 7:30am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 10m

Thu Apr 24th 2025 United Airlines · UA 4538 Depart at 8:40am from Washington, D.C. (IAD) Fly for 1h 10m Arrive at 9:50am in Philadelphia (PHL)

Stay in Philadelphia for 6 nights

Thu May 1st 2025 United Airlines · UA 4575 Depart at 6:15am from Philadelphia (PHL) Fly for 1h 6m Arrive at 7:21am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 0h 59m

Thu May 1st 2025 United Airlines · UA 4257 Depart at 8:20am from Washington, D.C. (IAD) Fly for 1h 45m Arrive at 10:05am in Knoxville (TYS)
US$906

5:45am - 9:50am
Thu Apr 24th 2025

4h 5m
Knoxville (TYS) → Philadelphia (PHL)

1 Stop

5:01pm - 10:45pm
Thu May 1st 2025

5h 44m
Philadelphia (PHL) → Knoxville (TYS)

1 Stop

Thu Apr 24th 2025 United Airlines · UA 4311 Depart at 5:45am from Knoxville (TYS) Fly for 1h 45m Arrive at 7:30am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 10m

Thu Apr 24th 2025 United Airlines · UA 4538 Depart at 8:40am from Washington, D.C. (IAD) Fly for 1h 10m Arrive at 9:50am in Philadelphia (PHL)

Stay in Philadelphia for 7 nights

Thu May 1st 2025 United Airlines · UA 308 Depart at 5:01pm from Philadelphia (PHL) Fly for 2h 24m Arrive at 6:25pm in Chicago (ORD)

Layover in Chicago for 1h 33m

Thu May 1st 2025 United Airlines · UA 1069 Depart at 7:58pm from Chicago (ORD) Fly for 1h 47m Arrive at 10:45pm in Knoxville (TYS)
US$906

7:00am - 2:18pm
Thu Apr 24th 2025

7h 18m
Knoxville (TYS) → Philadelphia (PHL)

1 Stop

6:15am - 10:05am
Thu May 1st 2025

3h 50m
Philadelphia (PHL) → Knoxville (TYS)

1 Stop

Thu Apr 24th 2025 United Airlines · UA 1594 Depart at 7:00am from Knoxville (TYS) Fly for 1h 57m Arrive at 7:57am in Chicago (ORD)

Layover in Chicago for 3h 13m

Thu Apr 24th 2025 United Airlines · UA 2182 Depart at 11:10am from Chicago (ORD) Fly for 2h 8m Arrive at 2:18pm in Philadelphia (PHL)

Stay in Philadelphia for 6 nights

Thu May 1st 2025 United Airlines · UA 4575 Depart at 6:15am from Philadelphia (PHL) Fly for 1h 6m Arrive at 7:21am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 0h 59m

Thu May 1st 2025 United Airlines · UA 4257 Depart at 8:20am from Washington, D.C. (IAD) Fly for 1h 45m Arrive at 10:05am in Knoxville (TYS)
US$906

7:00am - 2:18pm
Thu Apr 24th 2025

7h 18m
Knoxville (TYS) → Philadelphia (PHL)

1 Stop

5:01pm - 10:45pm
Thu May 1st 2025

5h 44m
Philadelphia (PHL) → Knoxville (TYS)

1 Stop

Thu Apr 24th 2025 United Airlines · UA 1594 Depart at 7:00am from Knoxville (TYS) Fly for 1h 57m Arrive at 7:57am in Chicago (ORD)

Layover in Chicago for 3h 13m

Thu Apr 24th 2025 United Airlines · UA 2182 Depart at 11:10am from Chicago (ORD) Fly for 2h 8m Arrive at 2:18pm in Philadelphia (PHL)

Stay in Philadelphia for 7 nights

Thu May 1st 2025 United Airlines · UA 308 Depart at 5:01pm from Philadelphia (PHL) Fly for 2h 24m Arrive at 6:25pm in Chicago (ORD)

Layover in Chicago for 1h 33m

Thu May 1st 2025 United Airlines · UA 1069 Depart at 7:58pm from Chicago (ORD) Fly for 1h 47m Arrive at 10:45pm in Knoxville (TYS)
US$906

5:25pm - 12:39am
Thu Apr 24th 2025

7h 14m
Knoxville (TYS) → Philadelphia (PHL)

1 Stop

10:06am - 4:54pm
Thu May 1st 2025

6h 48m
Philadelphia (PHL) → Knoxville (TYS)

1 Stop

Thu Apr 24th 2025 United Airlines · UA 5979 Depart at 5:25pm from Knoxville (TYS) Fly for 1h 59m Arrive at 6:24pm in Chicago (ORD)

Layover in Chicago for 3h 11m

Thu Apr 24th 2025 United Airlines · UA 2487 Depart at 9:35pm from Chicago (ORD) Fly for 2h 4m Arrive at 12:39am in Philadelphia (PHL)

Stay in Philadelphia for 6 nights

Thu May 1st 2025 United Airlines · UA 622 Depart at 10:06am from Philadelphia (PHL) Fly for 2h 24m Arrive at 11:30am in Chicago (ORD)

Layover in Chicago for 2h 30m

Thu May 1st 2025 United Airlines · UA 5714 Depart at 2:00pm from Chicago (ORD) Fly for 1h 54m Arrive at 4:54pm in Knoxville (TYS)
US$906

5:25pm - 12:39am
Thu Apr 24th 2025

7h 14m
Knoxville (TYS) → Philadelphia (PHL)

1 Stop

6:30am - 1:22pm
Thu May 1st 2025

6h 52m
Philadelphia (PHL) → Knoxville (TYS)

1 Stop

Thu Apr 24th 2025 United Airlines · UA 5979 Depart at 5:25pm from Knoxville (TYS) Fly for 1h 59m Arrive at 6:24pm in Chicago (ORD)

Layover in Chicago for 3h 11m

Thu Apr 24th 2025 United Airlines · UA 2487 Depart at 9:35pm from Chicago (ORD) Fly for 2h 4m Arrive at 12:39am in Philadelphia (PHL)

Stay in Philadelphia for 6 nights

Thu May 1st 2025 United Airlines · UA 1958 Depart at 6:30am from Philadelphia (PHL) Fly for 2h 24m Arrive at 7:54am in Chicago (ORD)

Layover in Chicago for 2h 41m

Thu May 1st 2025 United Airlines · UA 4505 Depart at 10:35am from Chicago (ORD) Fly for 1h 47m Arrive at 1:22pm in Knoxville (TYS)
US$906

7:00am - 2:18pm
Thu Apr 24th 2025

7h 18m
Knoxville (TYS) → Philadelphia (PHL)

1 Stop

12:54pm - 8:37pm
Thu May 1st 2025

7h 43m
Philadelphia (PHL) → Knoxville (TYS)

1 Stop

Thu Apr 24th 2025 United Airlines · UA 1594 Depart at 7:00am from Knoxville (TYS) Fly for 1h 57m Arrive at 7:57am in Chicago (ORD)

Layover in Chicago for 3h 13m

Thu Apr 24th 2025 United Airlines · UA 2182 Depart at 11:10am from Chicago (ORD) Fly for 2h 8m Arrive at 2:18pm in Philadelphia (PHL)

Stay in Philadelphia for 6 nights

Thu May 1st 2025 United Airlines · UA 2197 Depart at 12:54pm from Philadelphia (PHL) Fly for 3h 46m Arrive at 3:40pm in Houston (IAH)

Layover in Houston for 1h 36m

Thu May 1st 2025 United Airlines · UA 4267 Depart at 5:16pm from Houston (IAH) Fly for 2h 21m Arrive at 8:37pm in Knoxville (TYS)
US$923

5:25pm - 12:39am
Thu Apr 24th 2025

7h 14m
Knoxville (TYS) → Philadelphia (PHL)

1 Stop

10:44am - 2:35pm
Thu May 1st 2025

3h 51m
Philadelphia (PHL) → Knoxville (TYS)

1 Stop

Thu Apr 24th 2025 United Airlines · UA 5979 Depart at 5:25pm from Knoxville (TYS) Fly for 1h 59m Arrive at 6:24pm in Chicago (ORD)

Layover in Chicago for 3h 11m

Thu Apr 24th 2025 United Airlines · UA 2487 Depart at 9:35pm from Chicago (ORD) Fly for 2h 4m Arrive at 12:39am in Philadelphia (PHL)

Stay in Philadelphia for 6 nights

Thu May 1st 2025 United Airlines · UA 4578 Depart at 10:44am from Philadelphia (PHL) Fly for 1h 6m Arrive at 11:50am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 0m

Thu May 1st 2025 United Airlines · UA 4282 Depart at 12:50pm from Washington, D.C. (IAD) Fly for 1h 45m Arrive at 2:35pm in Knoxville (TYS)
US$986

9:55am - 2:10pm
Thu Apr 24th 2025

4h 15m
Knoxville (TYS) → Philadelphia (PHL)

1 Stop

6:15am - 10:05am
Thu May 1st 2025

3h 50m
Philadelphia (PHL) → Knoxville (TYS)

1 Stop

Thu Apr 24th 2025 United Airlines · UA 4325 Depart at 9:55am from Knoxville (TYS) Fly for 1h 45m Arrive at 11:40am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 20m

Thu Apr 24th 2025 United Airlines · UA 4544 Depart at 1:00pm from Washington, D.C. (IAD) Fly for 1h 10m Arrive at 2:10pm in Philadelphia (PHL)

Stay in Philadelphia for 6 nights

Thu May 1st 2025 United Airlines · UA 4575 Depart at 6:15am from Philadelphia (PHL) Fly for 1h 6m Arrive at 7:21am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 0h 59m

Thu May 1st 2025 United Airlines · UA 4257 Depart at 8:20am from Washington, D.C. (IAD) Fly for 1h 45m Arrive at 10:05am in Knoxville (TYS)
US$986

9:55am - 2:10pm
Fri Apr 25th 2025

4h 15m
Knoxville (TYS) → Philadelphia (PHL)

1 Stop

6:15am - 10:05am
Fri May 2nd 2025

3h 50m
Philadelphia (PHL) → Knoxville (TYS)

1 Stop

Fri Apr 25th 2025 United Airlines · UA 4325 Depart at 9:55am from Knoxville (TYS) Fly for 1h 45m Arrive at 11:40am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 20m

Fri Apr 25th 2025 United Airlines · UA 4544 Depart at 1:00pm from Washington, D.C. (IAD) Fly for 1h 10m Arrive at 2:10pm in Philadelphia (PHL)

Stay in Philadelphia for 6 nights

Fri May 2nd 2025 United Airlines · UA 4575 Depart at 6:15am from Philadelphia (PHL) Fly for 1h 6m Arrive at 7:21am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 0h 59m

Fri May 2nd 2025 United Airlines · UA 4257 Depart at 8:20am from Washington, D.C. (IAD) Fly for 1h 45m Arrive at 10:05am in Knoxville (TYS)
US$1070

5:45am - 9:50am
Thu Apr 24th 2025

4h 5m
Knoxville (TYS) → Philadelphia (PHL)

1 Stop

10:44am - 2:35pm
Thu May 1st 2025

3h 51m
Philadelphia (PHL) → Knoxville (TYS)

1 Stop

Thu Apr 24th 2025 United Airlines · UA 4311 Depart at 5:45am from Knoxville (TYS) Fly for 1h 45m Arrive at 7:30am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 10m

Thu Apr 24th 2025 United Airlines · UA 4538 Depart at 8:40am from Washington, D.C. (IAD) Fly for 1h 10m Arrive at 9:50am in Philadelphia (PHL)

Stay in Philadelphia for 7 nights

Thu May 1st 2025 United Airlines · UA 4578 Depart at 10:44am from Philadelphia (PHL) Fly for 1h 6m Arrive at 11:50am in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 0m

Thu May 1st 2025 United Airlines · UA 4282 Depart at 12:50pm from Washington, D.C. (IAD) Fly for 1h 45m Arrive at 2:35pm in Knoxville (TYS)

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 Knoxville to Philadelphia (TYS to PHL)

Sarah Belizaire

John Ford

Roaming Sonaa

Andy Travels

Travel With Bender

Wesley Mergard

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