Flights from Washington to Porto (DCA to OPO)

Discover more affordable routes and cheaper dates from Washington to Porto (DCA to OPO) within a date range.

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  • €411
    United AirlinesUnited Airlines
    7:00pm - 9:45am
    Tue Oct 14th 2025
    9h 45m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Tue Oct 14th 2025 United Airlines · UA 4602 Depart at 7:00pm from Washington, D.C. (DCA) Fly for 1h 29m Arrive at 8:29pm in New York (EWR)

    Layover in New York for 1h 26m

    Tue Oct 14th 2025 United Airlines · UA 144 Depart at 9:55pm from New York (EWR) Fly for 6h 50m Arrive at 9:45am in Porto (OPO)

  • €411
    United AirlinesUnited Airlines
    7:00pm - 9:45am
    Mon Oct 13th 2025
    9h 45m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Mon Oct 13th 2025 United Airlines · UA 4602 Depart at 7:00pm from Washington, D.C. (DCA) Fly for 1h 29m Arrive at 8:29pm in New York (EWR)

    Layover in New York for 1h 26m

    Mon Oct 13th 2025 United Airlines · UA 144 Depart at 9:55pm from New York (EWR) Fly for 6h 50m Arrive at 9:45am in Porto (OPO)

  • €463
    Air FranceAir FranceeasyJet
    4:31pm - 8:15pm
    Mon Apr 28th 2025
    22h 44m
    Washington, D.C. (DCA) → Porto (OPO)
    2 Stops

    Mon Apr 28th 2025 Air France · AF 2327 Depart at 4:31pm from Washington, D.C. (DCA) Fly for 1h 28m Arrive at 5:59pm in New York (JFK)

    Layover in New York for 1h 31m

    Mon Apr 28th 2025 Air France · AF 9915 Depart at 7:30pm from New York (JFK) Fly for 7h 15m Arrive at 7:45am in Manchester (MAN)

    Layover in Manchester for 9h 55m

    Tue Apr 29th 2025 easyJet · U2 2211 Depart at 5:40pm from Manchester (MAN) Fly for 2h 35m Arrive at 8:15pm in Porto (OPO)

  • €474.48
    Virgin Atlantic AirwaysVirgin Atlantic AirwaysRyanair
    4:31pm - 12:45pm
    Tue May 6th 2025
    15h 14m
    Washington, D.C. (DCA) → Porto (OPO)
    2 Stops

    Tue May 6th 2025 Virgin Atlantic Airways · VS 3485 Depart at 4:31pm from Washington, D.C. (DCA) Fly for 1h 28m Arrive at 5:59pm in New York (JFK)

    Layover in New York for 1h 31m

    Tue May 6th 2025 Virgin Atlantic Airways · VS 128 Depart at 7:30pm from New York (JFK) Fly for 7h 15m Arrive at 7:45am in Manchester (MAN)

    Layover in Manchester for 2h 30m

    Wed May 7th 2025 Ryanair · FR 1175 Depart at 10:15am from Manchester (MAN) Fly for 2h 30m Arrive at 12:45pm in Porto (OPO)

  • €480.94
    Air CanadaAir TransatRyanair
    6:50pm - 4:40pm
    Tue May 27th 2025
    16h 50m
    Washington, D.C. (DCA) → Porto (OPO)
    2 Stops

    Tue May 27th 2025 Air Canada · AC 8785 Depart at 6:50pm from Washington, D.C. (DCA) Fly for 1h 33m Arrive at 8:23pm in Toronto (YYZ)

    Layover in Toronto for 3h 32m

    Tue May 27th 2025 Air Transat · TS 230 Depart at 11:55pm from Toronto (YYZ) Fly for 6h 35m Arrive at 11:30am in Dublin (DUB)

    Layover in Dublin for 2h 45m

    Wed May 28th 2025 Ryanair · FR 7072 Depart at 2:15pm from Dublin (DUB) Fly for 2h 25m Arrive at 4:40pm in Porto (OPO)

  • €482.46
    Virgin Atlantic AirwaysVirgin Atlantic AirwaysRyanair
    4:05pm - 3:00pm
    Tue May 13th 2025
    17h 55m
    Washington, D.C. (DCA) → Porto (OPO)
    2 Stops

    Tue May 13th 2025 Virgin Atlantic Airways · VS 2564 Depart at 4:05pm from Washington, D.C. (DCA) Fly for 1h 59m Arrive at 6:04pm in Atlanta (ATL)

    Layover in Atlanta for 1h 7m

    Tue May 13th 2025 Virgin Atlantic Airways · VS 3884 Depart at 7:11pm from Atlanta (ATL) Fly for 8h 24m Arrive at 9:35am in Madrid (MAD)

    Layover in Madrid for 5h 5m

    Wed May 14th 2025 Ryanair · FR 5482 Depart at 2:40pm from Madrid (MAD) Fly for 1h 20m Arrive at 3:00pm in Porto (OPO)

  • €502
    Air CanadaAir TransateasyJet
    6:50pm - 6:50pm
    Tue May 27th 2025
    19h 0m
    Washington, D.C. (DCA) → Porto (OPO)
    2 Stops

    Tue May 27th 2025 Air Canada · AC 8785 Depart at 6:50pm from Washington, D.C. (DCA) Fly for 1h 33m Arrive at 8:23pm in Toronto (YYZ)

    Layover in Toronto for 2h 22m

    Tue May 27th 2025 Air Transat · TS 122 Depart at 10:45pm from Toronto (YYZ) Fly for 7h 0m Arrive at 10:45am in London (LGW)

    Layover in London for 5h 35m

    Wed May 28th 2025 easyJet · U2 8523 Depart at 4:20pm from London (LGW) Fly for 2h 30m Arrive at 6:50pm in Porto (OPO)

  • €518
    United AirlinesUnited Airlines
    4:05pm - 7:05am
    Wed Jul 2nd 2025
    10h 0m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Wed Jul 2nd 2025 United Airlines · UA 4413 Depart at 4:05pm from Washington, D.C. (DCA) Fly for 1h 31m Arrive at 5:36pm in New York (EWR)

    Layover in New York for 1h 24m

    Wed Jul 2nd 2025 United Airlines · UA 238 Depart at 7:00pm from New York (EWR) Fly for 7h 5m Arrive at 7:05am in Porto (OPO)

  • €522
    United AirlinesUnited Airlines
    7:00pm - 9:45am
    Sun Oct 12th 2025
    9h 45m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Sun Oct 12th 2025 United Airlines · UA 4602 Depart at 7:00pm from Washington, D.C. (DCA) Fly for 1h 29m Arrive at 8:29pm in New York (EWR)

    Layover in New York for 1h 26m

    Sun Oct 12th 2025 United Airlines · UA 144 Depart at 9:55pm from New York (EWR) Fly for 6h 50m Arrive at 9:45am in Porto (OPO)

  • €522
    United AirlinesUnited Airlines
    7:00pm - 9:45am
    Mon Aug 11th 2025
    9h 45m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Mon Aug 11th 2025 United Airlines · UA 4602 Depart at 7:00pm from Washington, D.C. (DCA) Fly for 1h 29m Arrive at 8:29pm in New York (EWR)

    Layover in New York for 1h 11m

    Mon Aug 11th 2025 United Airlines · UA 144 Depart at 9:40pm from New York (EWR) Fly for 7h 5m Arrive at 9:45am in Porto (OPO)

  • €522
    United AirlinesUnited Airlines
    7:00pm - 9:45am
    Mon Aug 18th 2025
    9h 45m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Mon Aug 18th 2025 United Airlines · UA 4602 Depart at 7:00pm from Washington, D.C. (DCA) Fly for 1h 29m Arrive at 8:29pm in New York (EWR)

    Layover in New York for 1h 11m

    Mon Aug 18th 2025 United Airlines · UA 144 Depart at 9:40pm from New York (EWR) Fly for 7h 5m Arrive at 9:45am in Porto (OPO)

  • €522
    United AirlinesUnited Airlines
    7:00pm - 9:45am
    Mon Jun 30th 2025
    9h 45m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Mon Jun 30th 2025 United Airlines · UA 4602 Depart at 7:00pm from Washington, D.C. (DCA) Fly for 1h 29m Arrive at 8:29pm in New York (EWR)

    Layover in New York for 1h 11m

    Mon Jun 30th 2025 United Airlines · UA 144 Depart at 9:40pm from New York (EWR) Fly for 7h 5m Arrive at 9:45am in Porto (OPO)

  • €522
    United AirlinesUnited Airlines
    7:00pm - 9:45am
    Sun Jul 6th 2025
    9h 45m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Sun Jul 6th 2025 United Airlines · UA 4602 Depart at 7:00pm from Washington, D.C. (DCA) Fly for 1h 29m Arrive at 8:29pm in New York (EWR)

    Layover in New York for 1h 11m

    Sun Jul 6th 2025 United Airlines · UA 144 Depart at 9:40pm from New York (EWR) Fly for 7h 5m Arrive at 9:45am in Porto (OPO)

  • €522
    United AirlinesUnited Airlines
    4:05pm - 6:55am
    Mon Jun 30th 2025
    9h 50m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Mon Jun 30th 2025 United Airlines · UA 4413 Depart at 4:05pm from Washington, D.C. (DCA) Fly for 1h 31m Arrive at 5:36pm in New York (EWR)

    Layover in New York for 1h 14m

    Mon Jun 30th 2025 United Airlines · UA 238 Depart at 6:50pm from New York (EWR) Fly for 7h 5m Arrive at 6:55am in Porto (OPO)

  • €544
    TAP PortugalTAP Portugal
    3:00pm - 10:15am
    Wed Jul 9th 2025
    14h 15m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Wed Jul 9th 2025 TAP Portugal · TP 4276 Depart at 3:00pm from Washington, D.C. (DCA) Fly for 1h 37m Arrive at 4:37pm in Boston (BOS)

    Layover in Boston for 5h 58m

    Wed Jul 9th 2025 TAP Portugal · TP 228 Depart at 10:35pm from Boston (BOS) Fly for 6h 40m Arrive at 10:15am in Porto (OPO)

  • €544
    TAP PortugalTAP Portugal
    3:00pm - 10:35am
    Sun Aug 3rd 2025
    14h 35m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Sun Aug 3rd 2025 TAP Portugal · TP 4276 Depart at 3:00pm from Washington, D.C. (DCA) Fly for 1h 37m Arrive at 4:37pm in Boston (BOS)

    Layover in Boston for 6h 18m

    Sun Aug 3rd 2025 TAP Portugal · TP 228 Depart at 10:55pm from Boston (BOS) Fly for 6h 40m Arrive at 10:35am in Porto (OPO)

  • €544
    TAP PortugalTAP Portugal
    3:00pm - 10:35am
    Sun Aug 17th 2025
    14h 35m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Sun Aug 17th 2025 TAP Portugal · TP 4276 Depart at 3:00pm from Washington, D.C. (DCA) Fly for 1h 37m Arrive at 4:37pm in Boston (BOS)

    Layover in Boston for 6h 18m

    Sun Aug 17th 2025 TAP Portugal · TP 228 Depart at 10:55pm from Boston (BOS) Fly for 6h 40m Arrive at 10:35am in Porto (OPO)

  • €544
    TAP PortugalTAP Portugal
    1:45pm - 10:45am
    Wed Oct 8th 2025
    16h 0m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Wed Oct 8th 2025 TAP Portugal · TP 4276 Depart at 1:45pm from Washington, D.C. (DCA) Fly for 1h 35m Arrive at 3:20pm in Boston (BOS)

    Layover in Boston for 7h 45m

    Wed Oct 8th 2025 TAP Portugal · TP 228 Depart at 11:05pm from Boston (BOS) Fly for 6h 40m Arrive at 10:45am in Porto (OPO)

  • €544
    TAP PortugalTAP Portugal
    1:45pm - 10:45am
    Wed Oct 15th 2025
    16h 0m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Wed Oct 15th 2025 TAP Portugal · TP 4278 Depart at 1:45pm from Washington, D.C. (DCA) Fly for 1h 35m Arrive at 3:20pm in Boston (BOS)

    Layover in Boston for 7h 45m

    Wed Oct 15th 2025 TAP Portugal · TP 228 Depart at 11:05pm from Boston (BOS) Fly for 6h 40m Arrive at 10:45am in Porto (OPO)

  • €549
    TAP PortugalTAP Portugal
    1:45pm - 10:45am
    Wed Oct 1st 2025
    16h 0m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Wed Oct 1st 2025 TAP Portugal · TP 4276 Depart at 1:45pm from Washington, D.C. (DCA) Fly for 1h 35m Arrive at 3:20pm in Boston (BOS)

    Layover in Boston for 7h 45m

    Wed Oct 1st 2025 TAP Portugal · TP 228 Depart at 11:05pm from Boston (BOS) Fly for 6h 40m Arrive at 10:45am in Porto (OPO)

  • €565
    TAP PortugalTAP PortugalTAP Portugal
    3:00pm - 8:00am
    Tue Jul 29th 2025
    12h 0m
    Washington, D.C. (DCA) → Porto (OPO)
    2 Stops

    Tue Jul 29th 2025 TAP Portugal · TP 4276 Depart at 3:00pm from Washington, D.C. (DCA) Fly for 1h 37m Arrive at 4:37pm in Boston (BOS)

    Layover in Boston for 1h 33m

    Tue Jul 29th 2025 TAP Portugal · TP 218 Depart at 6:10pm from Boston (BOS) Fly for 6h 30m Arrive at 5:40am in Lisbon (LIS)

    Layover in Lisbon for 1h 35m

    Wed Jul 30th 2025 TAP Portugal · TP 1920 Depart at 7:15am from Lisbon (LIS) Fly for 0h 45m Arrive at 8:00am in Porto (OPO)

  • €565
    TAP PortugalTAP PortugalTAP Portugal
    3:00pm - 9:00am
    Sun Aug 3rd 2025
    13h 0m
    Washington, D.C. (DCA) → Porto (OPO)
    2 Stops

    Sun Aug 3rd 2025 TAP Portugal · TP 4276 Depart at 3:00pm from Washington, D.C. (DCA) Fly for 1h 37m Arrive at 4:37pm in Boston (BOS)

    Layover in Boston for 1h 33m

    Sun Aug 3rd 2025 TAP Portugal · TP 218 Depart at 6:10pm from Boston (BOS) Fly for 6h 30m Arrive at 5:40am in Lisbon (LIS)

    Layover in Lisbon for 2h 25m

    Mon Aug 4th 2025 TAP Portugal · TP 1922 Depart at 8:05am from Lisbon (LIS) Fly for 0h 55m Arrive at 9:00am in Porto (OPO)

  • €582
    TAP PortugalTAP Portugal
    6:45pm - 10:55am
    Sat Jul 12th 2025
    11h 10m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Sat Jul 12th 2025 TAP Portugal · TP 4278 Depart at 6:45pm from Washington, D.C. (DCA) Fly for 1h 38m Arrive at 8:23pm in Boston (BOS)

    Layover in Boston for 2h 52m

    Sat Jul 12th 2025 TAP Portugal · TP 228 Depart at 11:15pm from Boston (BOS) Fly for 6h 40m Arrive at 10:55am in Porto (OPO)

  • €586
    TAP PortugalTAP Portugal
    6:55pm - 10:55am
    Sat Sep 20th 2025
    11h 0m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Sat Sep 20th 2025 TAP Portugal · TP 4476 Depart at 6:55pm from Washington, D.C. (DCA) Fly for 1h 36m Arrive at 8:31pm in Boston (BOS)

    Layover in Boston for 2h 44m

    Sat Sep 20th 2025 TAP Portugal · TP 228 Depart at 11:15pm from Boston (BOS) Fly for 6h 40m Arrive at 10:55am in Porto (OPO)

  • €589
    United AirlinesUnited Airlines
    7:01pm - 9:45am
    Sun Jun 29th 2025
    9h 44m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Sun Jun 29th 2025 United Airlines · UA 4602 Depart at 7:01pm from Washington, D.C. (DCA) Fly for 1h 29m Arrive at 8:30pm in New York (EWR)

    Layover in New York for 1h 10m

    Sun Jun 29th 2025 United Airlines · UA 144 Depart at 9:40pm from New York (EWR) Fly for 7h 5m Arrive at 9:45am in Porto (OPO)

  • €604
    United AirlinesUnited Airlines
    3:05pm - 9:45am
    Tue Apr 29th 2025
    13h 40m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Tue Apr 29th 2025 United Airlines · UA 4560 Depart at 3:05pm from Washington, D.C. (DCA) Fly for 1h 42m Arrive at 4:47pm in New York (EWR)

    Layover in New York for 4h 58m

    Tue Apr 29th 2025 United Airlines · UA 144 Depart at 9:45pm from New York (EWR) Fly for 7h 0m Arrive at 9:45am in Porto (OPO)

  • €604
    United AirlinesUnited Airlines
    1:12pm - 9:45am
    Tue Apr 29th 2025
    15h 33m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Tue Apr 29th 2025 United Airlines · UA 4442 Depart at 1:12pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 2:52pm in New York (EWR)

    Layover in New York for 6h 53m

    Tue Apr 29th 2025 United Airlines · UA 144 Depart at 9:45pm from New York (EWR) Fly for 7h 0m Arrive at 9:45am in Porto (OPO)

  • €604
    United AirlinesUnited Airlines
    9:55am - 9:45am
    Tue Apr 29th 2025
    18h 50m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Tue Apr 29th 2025 United Airlines · UA 4408 Depart at 9:55am from Washington, D.C. (DCA) Fly for 1h 22m Arrive at 11:17am in New York (EWR)

    Layover in New York for 10h 28m

    Tue Apr 29th 2025 United Airlines · UA 144 Depart at 9:45pm from New York (EWR) Fly for 7h 0m Arrive at 9:45am in Porto (OPO)

  • €616
    United AirlinesUnited Airlines
    7:00am - 9:45am
    Tue Apr 29th 2025
    21h 45m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Tue Apr 29th 2025 United Airlines · UA 3475 Depart at 7:00am from Washington, D.C. (DCA) Fly for 1h 23m Arrive at 8:23am in New York (EWR)

    Layover in New York for 13h 22m

    Tue Apr 29th 2025 United Airlines · UA 144 Depart at 9:45pm from New York (EWR) Fly for 7h 0m Arrive at 9:45am in Porto (OPO)

  • €616
    United AirlinesUnited Airlines
    6:00am - 9:45am
    Tue Apr 29th 2025
    22h 45m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Tue Apr 29th 2025 United Airlines · UA 4167 Depart at 6:00am from Washington, D.C. (DCA) Fly for 1h 22m Arrive at 7:22am in New York (EWR)

    Layover in New York for 14h 23m

    Tue Apr 29th 2025 United Airlines · UA 144 Depart at 9:45pm from New York (EWR) Fly for 7h 0m Arrive at 9:45am in Porto (OPO)

  • €616
    United AirlinesUnited Airlines
    6:00am - 9:45am
    Mon Apr 28th 2025
    22h 45m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Mon Apr 28th 2025 United Airlines · UA 4167 Depart at 6:00am from Washington, D.C. (DCA) Fly for 1h 22m Arrive at 7:22am in New York (EWR)

    Layover in New York for 14h 23m

    Mon Apr 28th 2025 United Airlines · UA 144 Depart at 9:45pm from New York (EWR) Fly for 7h 0m Arrive at 9:45am in Porto (OPO)

  • €628
    United AirlinesUnited AirlinesUnited Airlines
    2:00pm - 11:15am
    Tue Apr 29th 2025
    16h 15m
    Washington, D.C. (DCA) → Porto (OPO)
    2 Stops

    Tue Apr 29th 2025 United Airlines · UA 1771 Depart at 2:00pm from Washington, D.C. (DCA) Fly for 2h 15m Arrive at 3:15pm in Chicago (ORD)

    Layover in Chicago for 0h 45m

    Tue Apr 29th 2025 United Airlines · UA 8837 Depart at 4:00pm from Chicago (ORD) Fly for 8h 20m Arrive at 7:20am in Frankfurt (FRA)

    Layover in Frankfurt for 2h 5m

    Wed Apr 30th 2025 United Airlines · UA 8872 Depart at 9:25am from Frankfurt (FRA) Fly for 2h 50m Arrive at 11:15am in Porto (OPO)

  • €628
    United AirlinesUnited AirlinesUnited Airlines
    1:00pm - 11:15am
    Tue Apr 29th 2025
    17h 15m
    Washington, D.C. (DCA) → Porto (OPO)
    2 Stops

    Tue Apr 29th 2025 United Airlines · UA 289 Depart at 1:00pm from Washington, D.C. (DCA) Fly for 2h 15m Arrive at 2:15pm in Chicago (ORD)

    Layover in Chicago for 1h 45m

    Tue Apr 29th 2025 United Airlines · UA 8837 Depart at 4:00pm from Chicago (ORD) Fly for 8h 20m Arrive at 7:20am in Frankfurt (FRA)

    Layover in Frankfurt for 2h 5m

    Wed Apr 30th 2025 United Airlines · UA 8872 Depart at 9:25am from Frankfurt (FRA) Fly for 2h 50m Arrive at 11:15am in Porto (OPO)

  • €628
    United AirlinesUnited AirlinesUnited Airlines
    10:30am - 11:15am
    Tue Apr 29th 2025
    19h 45m
    Washington, D.C. (DCA) → Porto (OPO)
    2 Stops

    Tue Apr 29th 2025 United Airlines · UA 2201 Depart at 10:30am from Washington, D.C. (DCA) Fly for 2h 14m Arrive at 11:44am in Chicago (ORD)

    Layover in Chicago for 4h 16m

    Tue Apr 29th 2025 United Airlines · UA 8837 Depart at 4:00pm from Chicago (ORD) Fly for 8h 20m Arrive at 7:20am in Frankfurt (FRA)

    Layover in Frankfurt for 2h 5m

    Wed Apr 30th 2025 United Airlines · UA 8872 Depart at 9:25am from Frankfurt (FRA) Fly for 2h 50m Arrive at 11:15am in Porto (OPO)

  • €628
    United AirlinesUnited AirlinesUnited Airlines
    10:30am - 11:15am
    Tue Apr 29th 2025
    19h 45m
    Washington, D.C. (DCA) → Porto (OPO)
    2 Stops

    Tue Apr 29th 2025 United Airlines · UA 2201 Depart at 10:30am from Washington, D.C. (DCA) Fly for 2h 14m Arrive at 11:44am in Chicago (ORD)

    Layover in Chicago for 3h 11m

    Tue Apr 29th 2025 United Airlines · UA 944 Depart at 2:55pm from Chicago (ORD) Fly for 8h 35m Arrive at 6:30am in Frankfurt (FRA)

    Layover in Frankfurt for 2h 55m

    Wed Apr 30th 2025 United Airlines · UA 8872 Depart at 9:25am from Frankfurt (FRA) Fly for 2h 50m Arrive at 11:15am in Porto (OPO)

  • €649
    United AirlinesUnited Airlines
    3:20pm - 9:45am
    Thu May 1st 2025
    13h 25m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Thu May 1st 2025 United Airlines · UA 4413 Depart at 3:20pm from Washington, D.C. (DCA) Fly for 1h 42m Arrive at 5:02pm in New York (EWR)

    Layover in New York for 4h 43m

    Thu May 1st 2025 United Airlines · UA 144 Depart at 9:45pm from New York (EWR) Fly for 7h 0m Arrive at 9:45am in Porto (OPO)

  • €649
    United AirlinesUnited Airlines
    1:15pm - 9:45am
    Thu May 1st 2025
    15h 30m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Thu May 1st 2025 United Airlines · UA 4442 Depart at 1:15pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 2:55pm in New York (EWR)

    Layover in New York for 6h 50m

    Thu May 1st 2025 United Airlines · UA 144 Depart at 9:45pm from New York (EWR) Fly for 7h 0m Arrive at 9:45am in Porto (OPO)

  • €649
    United AirlinesUnited Airlines
    11:15am - 9:45am
    Thu May 1st 2025
    17h 30m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Thu May 1st 2025 United Airlines · UA 4446 Depart at 11:15am from Washington, D.C. (DCA) Fly for 1h 22m Arrive at 12:37pm in New York (EWR)

    Layover in New York for 9h 8m

    Thu May 1st 2025 United Airlines · UA 144 Depart at 9:45pm from New York (EWR) Fly for 7h 0m Arrive at 9:45am in Porto (OPO)

  • €649
    United AirlinesUnited Airlines
    9:55am - 9:45am
    Thu May 1st 2025
    18h 50m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Thu May 1st 2025 United Airlines · UA 3494 Depart at 9:55am from Washington, D.C. (DCA) Fly for 1h 22m Arrive at 11:17am in New York (EWR)

    Layover in New York for 10h 28m

    Thu May 1st 2025 United Airlines · UA 144 Depart at 9:45pm from New York (EWR) Fly for 7h 0m Arrive at 9:45am in Porto (OPO)

  • €673
    United AirlinesUnited AirlinesUnited Airlines
    2:00pm - 11:15am
    Thu May 1st 2025
    16h 15m
    Washington, D.C. (DCA) → Porto (OPO)
    2 Stops

    Thu May 1st 2025 United Airlines · UA 345 Depart at 2:00pm from Washington, D.C. (DCA) Fly for 2h 14m Arrive at 3:14pm in Chicago (ORD)

    Layover in Chicago for 0h 46m

    Thu May 1st 2025 United Airlines · UA 8837 Depart at 4:00pm from Chicago (ORD) Fly for 8h 20m Arrive at 7:20am in Frankfurt (FRA)

    Layover in Frankfurt for 2h 5m

    Fri May 2nd 2025 United Airlines · UA 8872 Depart at 9:25am from Frankfurt (FRA) Fly for 2h 50m Arrive at 11:15am in Porto (OPO)

  • €673
    United AirlinesUnited AirlinesUnited Airlines
    1:00pm - 11:15am
    Thu May 1st 2025
    17h 15m
    Washington, D.C. (DCA) → Porto (OPO)
    2 Stops

    Thu May 1st 2025 United Airlines · UA 2850 Depart at 1:00pm from Washington, D.C. (DCA) Fly for 2h 14m Arrive at 2:14pm in Chicago (ORD)

    Layover in Chicago for 1h 46m

    Thu May 1st 2025 United Airlines · UA 8837 Depart at 4:00pm from Chicago (ORD) Fly for 8h 20m Arrive at 7:20am in Frankfurt (FRA)

    Layover in Frankfurt for 2h 5m

    Fri May 2nd 2025 United Airlines · UA 8872 Depart at 9:25am from Frankfurt (FRA) Fly for 2h 50m Arrive at 11:15am in Porto (OPO)

  • €673
    United AirlinesUnited AirlinesUnited Airlines
    12:00pm - 11:15am
    Thu May 1st 2025
    18h 15m
    Washington, D.C. (DCA) → Porto (OPO)
    2 Stops

    Thu May 1st 2025 United Airlines · UA 394 Depart at 12:00pm from Washington, D.C. (DCA) Fly for 2h 15m Arrive at 1:15pm in Chicago (ORD)

    Layover in Chicago for 2h 45m

    Thu May 1st 2025 United Airlines · UA 8837 Depart at 4:00pm from Chicago (ORD) Fly for 8h 20m Arrive at 7:20am in Frankfurt (FRA)

    Layover in Frankfurt for 2h 5m

    Fri May 2nd 2025 United Airlines · UA 8872 Depart at 9:25am from Frankfurt (FRA) Fly for 2h 50m Arrive at 11:15am in Porto (OPO)

  • €673
    United AirlinesUnited Airlines
    7:00am - 9:45am
    Thu May 1st 2025
    21h 45m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Thu May 1st 2025 United Airlines · UA 3475 Depart at 7:00am from Washington, D.C. (DCA) Fly for 1h 23m Arrive at 8:23am in New York (EWR)

    Layover in New York for 13h 22m

    Thu May 1st 2025 United Airlines · UA 144 Depart at 9:45pm from New York (EWR) Fly for 7h 0m Arrive at 9:45am in Porto (OPO)

  • €673
    United AirlinesUnited Airlines
    6:00am - 9:45am
    Thu May 1st 2025
    22h 45m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Thu May 1st 2025 United Airlines · UA 4167 Depart at 6:00am from Washington, D.C. (DCA) Fly for 1h 22m Arrive at 7:22am in New York (EWR)

    Layover in New York for 14h 23m

    Thu May 1st 2025 United Airlines · UA 144 Depart at 9:45pm from New York (EWR) Fly for 7h 0m Arrive at 9:45am in Porto (OPO)

  • €696
    United AirlinesUnited Airlines
    3:05pm - 9:45am
    Mon Apr 28th 2025
    13h 40m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Mon Apr 28th 2025 United Airlines · UA 4560 Depart at 3:05pm from Washington, D.C. (DCA) Fly for 1h 42m Arrive at 4:47pm in New York (EWR)

    Layover in New York for 4h 58m

    Mon Apr 28th 2025 United Airlines · UA 144 Depart at 9:45pm from New York (EWR) Fly for 7h 0m Arrive at 9:45am in Porto (OPO)

  • €696
    United AirlinesUnited Airlines
    3:05pm - 9:45am
    Wed Apr 23rd 2025
    13h 40m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Wed Apr 23rd 2025 United Airlines · UA 4560 Depart at 3:05pm from Washington, D.C. (DCA) Fly for 1h 42m Arrive at 4:47pm in New York (EWR)

    Layover in New York for 4h 58m

    Wed Apr 23rd 2025 United Airlines · UA 144 Depart at 9:45pm from New York (EWR) Fly for 7h 0m Arrive at 9:45am in Porto (OPO)

  • €696
    United AirlinesUnited Airlines
    3:05pm - 9:45am
    Sun Apr 27th 2025
    13h 40m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Sun Apr 27th 2025 United Airlines · UA 4560 Depart at 3:05pm from Washington, D.C. (DCA) Fly for 1h 42m Arrive at 4:47pm in New York (EWR)

    Layover in New York for 4h 58m

    Sun Apr 27th 2025 United Airlines · UA 144 Depart at 9:45pm from New York (EWR) Fly for 7h 0m Arrive at 9:45am in Porto (OPO)

  • €696
    United AirlinesUnited Airlines
    1:12pm - 9:45am
    Mon Apr 28th 2025
    15h 33m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Mon Apr 28th 2025 United Airlines · UA 4442 Depart at 1:12pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 2:52pm in New York (EWR)

    Layover in New York for 6h 53m

    Mon Apr 28th 2025 United Airlines · UA 144 Depart at 9:45pm from New York (EWR) Fly for 7h 0m Arrive at 9:45am in Porto (OPO)

  • €696
    United AirlinesUnited Airlines
    1:12pm - 9:45am
    Wed Apr 23rd 2025
    15h 33m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Wed Apr 23rd 2025 United Airlines · UA 4442 Depart at 1:12pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 2:52pm in New York (EWR)

    Layover in New York for 6h 53m

    Wed Apr 23rd 2025 United Airlines · UA 144 Depart at 9:45pm from New York (EWR) Fly for 7h 0m Arrive at 9:45am in Porto (OPO)

  • €696
    United AirlinesUnited Airlines
    1:12pm - 9:45am
    Sun Apr 27th 2025
    15h 33m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Sun Apr 27th 2025 United Airlines · UA 4442 Depart at 1:12pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 2:52pm in New York (EWR)

    Layover in New York for 6h 53m

    Sun Apr 27th 2025 United Airlines · UA 144 Depart at 9:45pm from New York (EWR) Fly for 7h 0m Arrive at 9:45am in Porto (OPO)

  • €696
    United AirlinesUnited Airlines
    11:15am - 9:45am
    Mon Apr 28th 2025
    17h 30m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Mon Apr 28th 2025 United Airlines · UA 4446 Depart at 11:15am from Washington, D.C. (DCA) Fly for 1h 22m Arrive at 12:37pm in New York (EWR)

    Layover in New York for 9h 8m

    Mon Apr 28th 2025 United Airlines · UA 144 Depart at 9:45pm from New York (EWR) Fly for 7h 0m Arrive at 9:45am in Porto (OPO)

  • €696
    United AirlinesUnited Airlines
    11:15am - 9:45am
    Sun Apr 27th 2025
    17h 30m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Sun Apr 27th 2025 United Airlines · UA 4446 Depart at 11:15am from Washington, D.C. (DCA) Fly for 1h 22m Arrive at 12:37pm in New York (EWR)

    Layover in New York for 9h 8m

    Sun Apr 27th 2025 United Airlines · UA 144 Depart at 9:45pm from New York (EWR) Fly for 7h 0m Arrive at 9:45am in Porto (OPO)

  • €696
    United AirlinesUnited Airlines
    9:55am - 9:45am
    Sun Apr 27th 2025
    18h 50m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Sun Apr 27th 2025 United Airlines · UA 4408 Depart at 9:55am from Washington, D.C. (DCA) Fly for 1h 22m Arrive at 11:17am in New York (EWR)

    Layover in New York for 10h 28m

    Sun Apr 27th 2025 United Airlines · UA 144 Depart at 9:45pm from New York (EWR) Fly for 7h 0m Arrive at 9:45am in Porto (OPO)

  • €699
    United AirlinesUnited Airlines
    11:15am - 9:45am
    Tue Apr 29th 2025
    17h 30m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Tue Apr 29th 2025 United Airlines · UA 4446 Depart at 11:15am from Washington, D.C. (DCA) Fly for 1h 22m Arrive at 12:37pm in New York (EWR)

    Layover in New York for 9h 8m

    Tue Apr 29th 2025 United Airlines · UA 144 Depart at 9:45pm from New York (EWR) Fly for 7h 0m Arrive at 9:45am in Porto (OPO)

  • €699
    United AirlinesUnited Airlines
    9:55am - 9:45am
    Mon Apr 28th 2025
    18h 50m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Mon Apr 28th 2025 United Airlines · UA 4408 Depart at 9:55am from Washington, D.C. (DCA) Fly for 1h 22m Arrive at 11:17am in New York (EWR)

    Layover in New York for 10h 28m

    Mon Apr 28th 2025 United Airlines · UA 144 Depart at 9:45pm from New York (EWR) Fly for 7h 0m Arrive at 9:45am in Porto (OPO)

  • €706
    United AirlinesBrussels Airlines
    3:05pm - 9:45am
    Mon Apr 28th 2025
    13h 40m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Mon Apr 28th 2025 United Airlines · UA 4560 Depart at 3:05pm from Washington, D.C. (DCA) Fly for 1h 42m Arrive at 4:47pm in New York (EWR)

    Layover in New York for 4h 58m

    Mon Apr 28th 2025 Brussels Airlines · SN 9030 Depart at 9:45pm from New York (EWR) Fly for 7h 0m Arrive at 9:45am in Porto (OPO)

  • €712
    United AirlinesUnited Airlines
    5:15pm - 7:45am
    Tue Jul 29th 2025
    9h 30m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Tue Jul 29th 2025 United Airlines · UA 4414 Depart at 5:15pm from Washington, D.C. (DCA) Fly for 1h 31m Arrive at 6:46pm in New York (EWR)

    Layover in New York for 0h 54m

    Tue Jul 29th 2025 United Airlines · UA 238 Depart at 7:40pm from New York (EWR) Fly for 7h 5m Arrive at 7:45am in Porto (OPO)

  • €733
    United AirlinesUnited Airlines
    5:15pm - 7:45am
    Tue Sep 16th 2025
    9h 30m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Tue Sep 16th 2025 United Airlines · UA 4414 Depart at 5:15pm from Washington, D.C. (DCA) Fly for 1h 33m Arrive at 6:48pm in New York (EWR)

    Layover in New York for 1h 7m

    Tue Sep 16th 2025 United Airlines · UA 238 Depart at 7:55pm from New York (EWR) Fly for 6h 50m Arrive at 7:45am in Porto (OPO)

  • €753
    United AirlinesUnited Airlines
    3:05pm - 9:45am
    Thu Apr 24th 2025
    13h 40m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Thu Apr 24th 2025 United Airlines · UA 4560 Depart at 3:05pm from Washington, D.C. (DCA) Fly for 1h 42m Arrive at 4:47pm in New York (EWR)

    Layover in New York for 4h 58m

    Thu Apr 24th 2025 United Airlines · UA 144 Depart at 9:45pm from New York (EWR) Fly for 7h 0m Arrive at 9:45am in Porto (OPO)

  • €754
    United AirlinesUnited Airlines
    3:01pm - 9:45am
    Fri Apr 25th 2025
    13h 44m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Fri Apr 25th 2025 United Airlines · UA 4560 Depart at 3:01pm from Washington, D.C. (DCA) Fly for 1h 42m Arrive at 4:43pm in New York (EWR)

    Layover in New York for 5h 2m

    Fri Apr 25th 2025 United Airlines · UA 144 Depart at 9:45pm from New York (EWR) Fly for 7h 0m Arrive at 9:45am in Porto (OPO)

  • €757
    TAP PortugalTAP PortugalTAP Portugal
    11:39am - 9:00am
    Tue Apr 29th 2025
    16h 21m
    Washington, D.C. (DCA) → Porto (OPO)
    2 Stops

    Tue Apr 29th 2025 TAP Portugal · TP 4476 Depart at 11:39am from Washington, D.C. (DCA) Fly for 1h 33m Arrive at 1:12pm in Boston (BOS)

    Layover in Boston for 5h 23m

    Tue Apr 29th 2025 TAP Portugal · TP 218 Depart at 6:35pm from Boston (BOS) Fly for 6h 30m Arrive at 6:05am in Lisbon (LIS)

    Layover in Lisbon for 2h 0m

    Wed Apr 30th 2025 TAP Portugal · TP 1922 Depart at 8:05am from Lisbon (LIS) Fly for 0h 55m Arrive at 9:00am in Porto (OPO)

  • €4349
    United AirlinesBrussels Airlines
    3:20pm - 9:45am
    Thu May 1st 2025
    13h 25m
    Washington, D.C. (DCA) → Porto (OPO)
    1 Stop

    Thu May 1st 2025 United Airlines · UA 4413 Depart at 3:20pm from Washington, D.C. (DCA) Fly for 1h 42m Arrive at 5:02pm in New York (EWR)

    Layover in New York for 4h 43m

    Thu May 1st 2025 Brussels Airlines · SN 9030 Depart at 9:45pm from New York (EWR) Fly for 7h 0m Arrive at 9:45am in Porto (OPO)

@sarahbb1
Sarah Belizaire
@sarahbb1

Have flexible travel plans or looking for alternative routes given the chaos? Check out all the connection possibilities via a super helpful site created by @ismaelyws flightlist.io thanks to @andy_travels for the recommendation #travel #flights

@eyupitsjohn
John Ford
@eyupitsjohn

There seem to be lots of sites launching at the moment that promise to find you cheap flights but not many have the professional finish of Flightlist by @ismaelyws #travel #flights

@oamingsonaa
Roaming Sonaa
@roamingsonaa

For people wanting to maximize their trips, Flightlist is my newest travel hack for uncovering the coolest routes at irresistible prices. No stress, no annoying ads — just seamless flight booking with amazing functionality.

@andy_travels
Andy Travels
@andy_travels

@ismaelyws Just tried out Flightlist for the first time. Really nice idea, well made, and just what I need at the moment 👍

@travelwitbender
Travel With Bender
@travelwitbender

Did you spot my recent article about how to score cheap one way flights? ✈️ FlightList is my new secret tool for discovering cheap routes, within a departure date range. Plus you can also search by country/region for departures & destinations. Powerful! 💪

@travel.with.wes
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.

Explore Flight Options

FlightList Blog

Flightlist Interviews 7 Travel Experts On Why They Book One Way Flights
Flightlist Interviews 7 Travel Experts On Why They Book One Way Flights
Why I built FlightList & solved my own problem
Why I Built FlightList & Solved My Own Problem

About FlightList

❝Founded by a remote worker and frequent flyer, who discovered that the best deals come from searching with flexible dates across entire countries or regions. Our streamlined platform strips away the clutter found on typical travel sites, offering a clean interface that focuses solely on finding cost-effective flights. Unlike traditional booking sites, FlightList allows users to search by date ranges and broad destinations, unveiling opportunities that rigid parameters often miss. Our filters let travelers tailor searches to their specific needs, whether they're digital nomads seeking their next adventure or budget-conscious explorers maximizing travel funds. We've made finding cheap flights into a quicker and easier experience, empowering users to discover just how far their budget can take them.❞

Hans Desjarlais, Founder Hans Desjarlais Profile Picture