Flights from London to Washington (LHR to DCA)

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

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  • ₺60989
    TAP PortugalTAP PortugalTAP Portugal
    6:00am - 6:59pm
    Thu Jun 26th 2025
    17h 59m
    London (LHR) → Washington, D.C. (DCA)
    2 Stops
    FinnairFinnair
    5:52pm - 8:15am
    Wed Oct 8th 2025
    9h 23m
    Washington, D.C. (DCA) → London (LHR)
    1 Stop

    Thu Jun 26th 2025 TAP Portugal · TP 1363 Depart at 6:00am from London (LHR) Fly for 2h 40m Arrive at 8:40am in Lisbon (LIS)

    Layover in Lisbon for 3h 5m

    Thu Jun 26th 2025 TAP Portugal · TP 217 Depart at 11:45am from Lisbon (LIS) Fly for 7h 30m Arrive at 2:15pm in Boston (BOS)

    Layover in Boston for 2h 55m

    Thu Jun 26th 2025 TAP Portugal · TP 4455 Depart at 5:10pm from Boston (BOS) Fly for 1h 49m Arrive at 6:59pm in Washington, D.C. (DCA)

    Stay in Washington, D.C. for 103 nights

    Wed Oct 8th 2025 Finnair · AY 4104 Depart at 5:52pm from Washington, D.C. (DCA) Fly for 1h 27m Arrive at 7:19pm in New York (JFK)

    Layover in New York for 0h 46m

    Wed Oct 8th 2025 Finnair · AY 5516 Depart at 8:05pm from New York (JFK) Fly for 7h 10m Arrive at 8:15am in London (LHR)

  • ₺62732
    FinnairFinnairFinnair
    6:10pm - 11:07pm
    Thu Jun 26th 2025
    33h 57m
    London (LHR) → Washington, D.C. (DCA)
    2 Stops
    FinnairFinnair
    5:52pm - 8:15am
    Wed Oct 8th 2025
    9h 23m
    Washington, D.C. (DCA) → London (LHR)
    1 Stop

    Thu Jun 26th 2025 Finnair · AY 1338 Depart at 6:10pm from London (LHR) Fly for 2h 50m Arrive at 11:00pm in Helsinki (HEL)

    Layover in Helsinki for 18h 15m

    Fri Jun 27th 2025 Finnair · AY 15 Depart at 5:15pm from Helsinki (HEL) Fly for 8h 50m Arrive at 7:05pm in New York (JFK)

    Layover in New York for 2h 25m

    Fri Jun 27th 2025 Finnair · AY 4119 Depart at 9:30pm from New York (JFK) Fly for 1h 37m Arrive at 11:07pm in Washington, D.C. (DCA)

    Stay in Washington, D.C. for 102 nights

    Wed Oct 8th 2025 Finnair · AY 4104 Depart at 5:52pm from Washington, D.C. (DCA) Fly for 1h 27m Arrive at 7:19pm in New York (JFK)

    Layover in New York for 0h 46m

    Wed Oct 8th 2025 Finnair · AY 5516 Depart at 8:05pm from New York (JFK) Fly for 7h 10m Arrive at 8:15am in London (LHR)

  • ₺62978
    TAP PortugalTAP PortugalTAP Portugal
    7:50pm - 6:59pm
    Thu Jun 26th 2025
    28h 9m
    London (LHR) → Washington, D.C. (DCA)
    2 Stops
    FinnairFinnair
    5:52pm - 8:15am
    Wed Oct 8th 2025
    9h 23m
    Washington, D.C. (DCA) → London (LHR)
    1 Stop

    Thu Jun 26th 2025 TAP Portugal · TP 1369 Depart at 7:50pm from London (LHR) Fly for 2h 45m Arrive at 10:35pm in Lisbon (LIS)

    Layover in Lisbon for 13h 10m

    Fri Jun 27th 2025 TAP Portugal · TP 217 Depart at 11:45am from Lisbon (LIS) Fly for 7h 30m Arrive at 2:15pm in Boston (BOS)

    Layover in Boston for 2h 55m

    Fri Jun 27th 2025 TAP Portugal · TP 4455 Depart at 5:10pm from Boston (BOS) Fly for 1h 49m Arrive at 6:59pm in Washington, D.C. (DCA)

    Stay in Washington, D.C. for 102 nights

    Wed Oct 8th 2025 Finnair · AY 4104 Depart at 5:52pm from Washington, D.C. (DCA) Fly for 1h 27m Arrive at 7:19pm in New York (JFK)

    Layover in New York for 0h 46m

    Wed Oct 8th 2025 Finnair · AY 5516 Depart at 8:05pm from New York (JFK) Fly for 7h 10m Arrive at 8:15am in London (LHR)

  • ₺65847
    LOT Polish AirlinesLOT Polish AirlinesLOT Polish Airlines
    6:30am - 10:59pm
    Thu Jun 26th 2025
    21h 29m
    London (LHR) → Washington, D.C. (DCA)
    2 Stops
    FinnairFinnair
    5:52pm - 8:15am
    Wed Oct 8th 2025
    9h 23m
    Washington, D.C. (DCA) → London (LHR)
    1 Stop

    Thu Jun 26th 2025 LOT Polish Airlines · LO 286 Depart at 6:30am from London (LHR) Fly for 2h 25m Arrive at 9:55am in Warsaw (WAW)

    Layover in Warsaw for 2h 30m

    Thu Jun 26th 2025 LOT Polish Airlines · LO 6 Depart at 12:25pm from Warsaw (WAW) Fly for 9h 20m Arrive at 3:45pm in New York (JFK)

    Layover in New York for 5h 40m

    Thu Jun 26th 2025 LOT Polish Airlines · LO 5799 Depart at 9:25pm from New York (JFK) Fly for 1h 34m Arrive at 10:59pm in Washington, D.C. (DCA)

    Stay in Washington, D.C. for 103 nights

    Wed Oct 8th 2025 Finnair · AY 4104 Depart at 5:52pm from Washington, D.C. (DCA) Fly for 1h 27m Arrive at 7:19pm in New York (JFK)

    Layover in New York for 0h 46m

    Wed Oct 8th 2025 Finnair · AY 5516 Depart at 8:05pm from New York (JFK) Fly for 7h 10m Arrive at 8:15am in London (LHR)

  • ₺66229
    TAP PortugalTAP PortugalTAP Portugal
    6:00am - 6:59pm
    Thu Jun 26th 2025
    17h 59m
    London (LHR) → Washington, D.C. (DCA)
    2 Stops
    FinnairFinnairBritish Airways
    7:45pm - 2:55pm
    Wed Oct 8th 2025
    38h 10m
    Washington, D.C. (DCA) → London (LHR)
    2 Stops

    Thu Jun 26th 2025 TAP Portugal · TP 1363 Depart at 6:00am from London (LHR) Fly for 2h 40m Arrive at 8:40am in Lisbon (LIS)

    Layover in Lisbon for 3h 5m

    Thu Jun 26th 2025 TAP Portugal · TP 217 Depart at 11:45am from Lisbon (LIS) Fly for 7h 30m Arrive at 2:15pm in Boston (BOS)

    Layover in Boston for 2h 55m

    Thu Jun 26th 2025 TAP Portugal · TP 4455 Depart at 5:10pm from Boston (BOS) Fly for 1h 49m Arrive at 6:59pm in Washington, D.C. (DCA)

    Stay in Washington, D.C. for 104 nights

    Wed Oct 8th 2025 Finnair · AY 4254 Depart at 7:45pm from Washington, D.C. (DCA) Fly for 1h 23m Arrive at 9:08pm in New York (JFK)

    Layover in New York for 19h 37m

    Thu Oct 9th 2025 Finnair · AY 5654 Depart at 4:45pm from New York (JFK) Fly for 7h 15m Arrive at 6:00am in Madrid (MAD)

    Layover in Madrid for 7h 30m

    Fri Oct 10th 2025 British Airways · BA 7056 Depart at 1:30pm from Madrid (MAD) Fly for 2h 25m Arrive at 2:55pm in London (LHR)

  • ₺66487
    TAP PortugalTAP PortugalTAP Portugal
    6:00am - 6:59pm
    Thu Jun 26th 2025
    17h 59m
    London (LHR) → Washington, D.C. (DCA)
    2 Stops
    FinnairFinnairBritish Airways
    7:45pm - 9:30am
    Wed Oct 8th 2025
    32h 45m
    Washington, D.C. (DCA) → London (LHR)
    2 Stops

    Thu Jun 26th 2025 TAP Portugal · TP 1363 Depart at 6:00am from London (LHR) Fly for 2h 40m Arrive at 8:40am in Lisbon (LIS)

    Layover in Lisbon for 3h 5m

    Thu Jun 26th 2025 TAP Portugal · TP 217 Depart at 11:45am from Lisbon (LIS) Fly for 7h 30m Arrive at 2:15pm in Boston (BOS)

    Layover in Boston for 2h 55m

    Thu Jun 26th 2025 TAP Portugal · TP 4455 Depart at 5:10pm from Boston (BOS) Fly for 1h 49m Arrive at 6:59pm in Washington, D.C. (DCA)

    Stay in Washington, D.C. for 104 nights

    Wed Oct 8th 2025 Finnair · AY 4254 Depart at 7:45pm from Washington, D.C. (DCA) Fly for 1h 23m Arrive at 9:08pm in New York (JFK)

    Layover in New York for 19h 37m

    Thu Oct 9th 2025 Finnair · AY 5654 Depart at 4:45pm from New York (JFK) Fly for 7h 15m Arrive at 6:00am in Madrid (MAD)

    Layover in Madrid for 2h 5m

    Fri Oct 10th 2025 British Airways · BA 7060 Depart at 8:05am from Madrid (MAD) Fly for 2h 25m Arrive at 9:30am in London (LHR)

  • ₺68453
    TAP PortugalTAP PortugalTAP Portugal
    6:00am - 6:59pm
    Thu Jun 26th 2025
    17h 59m
    London (LHR) → Washington, D.C. (DCA)
    2 Stops
    FinnairFinnairFinnair
    7:45pm - 5:05pm
    Wed Oct 8th 2025
    16h 20m
    Washington, D.C. (DCA) → London (LHR)
    2 Stops

    Thu Jun 26th 2025 TAP Portugal · TP 1363 Depart at 6:00am from London (LHR) Fly for 2h 40m Arrive at 8:40am in Lisbon (LIS)

    Layover in Lisbon for 3h 5m

    Thu Jun 26th 2025 TAP Portugal · TP 217 Depart at 11:45am from Lisbon (LIS) Fly for 7h 30m Arrive at 2:15pm in Boston (BOS)

    Layover in Boston for 2h 55m

    Thu Jun 26th 2025 TAP Portugal · TP 4455 Depart at 5:10pm from Boston (BOS) Fly for 1h 49m Arrive at 6:59pm in Washington, D.C. (DCA)

    Stay in Washington, D.C. for 104 nights

    Wed Oct 8th 2025 Finnair · AY 4254 Depart at 7:45pm from Washington, D.C. (DCA) Fly for 1h 23m Arrive at 9:08pm in New York (JFK)

    Layover in New York for 1h 47m

    Wed Oct 8th 2025 Finnair · AY 16 Depart at 10:55pm from New York (JFK) Fly for 8h 5m Arrive at 2:00pm in Helsinki (HEL)

    Layover in Helsinki for 2h 0m

    Thu Oct 9th 2025 Finnair · AY 1337 Depart at 4:00pm from Helsinki (HEL) Fly for 3h 5m Arrive at 5:05pm in London (LHR)

  • ₺68851
    LOT Polish AirlinesLOT Polish AirlinesLOT Polish Airlines
    6:10pm - 10:59pm
    Thu Jun 26th 2025
    33h 49m
    London (LHR) → Washington, D.C. (DCA)
    2 Stops
    FinnairFinnair
    5:52pm - 8:15am
    Wed Oct 8th 2025
    9h 23m
    Washington, D.C. (DCA) → London (LHR)
    1 Stop

    Thu Jun 26th 2025 LOT Polish Airlines · LO 280 Depart at 6:10pm from London (LHR) Fly for 2h 35m Arrive at 9:45pm in Warsaw (WAW)

    Layover in Warsaw for 14h 40m

    Fri Jun 27th 2025 LOT Polish Airlines · LO 6 Depart at 12:25pm from Warsaw (WAW) Fly for 9h 20m Arrive at 3:45pm in New York (JFK)

    Layover in New York for 5h 40m

    Fri Jun 27th 2025 LOT Polish Airlines · LO 5799 Depart at 9:25pm from New York (JFK) Fly for 1h 34m Arrive at 10:59pm in Washington, D.C. (DCA)

    Stay in Washington, D.C. for 102 nights

    Wed Oct 8th 2025 Finnair · AY 4104 Depart at 5:52pm from Washington, D.C. (DCA) Fly for 1h 27m Arrive at 7:19pm in New York (JFK)

    Layover in New York for 0h 46m

    Wed Oct 8th 2025 Finnair · AY 5516 Depart at 8:05pm from New York (JFK) Fly for 7h 10m Arrive at 8:15am in London (LHR)

  • ₺69728
    TAP PortugalTAP PortugalTAP Portugal
    7:50pm - 6:59pm
    Thu Jun 26th 2025
    28h 9m
    London (LHR) → Washington, D.C. (DCA)
    2 Stops
    FinnairFinnairFinnair
    7:45pm - 5:05pm
    Wed Oct 8th 2025
    16h 20m
    Washington, D.C. (DCA) → London (LHR)
    2 Stops

    Thu Jun 26th 2025 TAP Portugal · TP 1369 Depart at 7:50pm from London (LHR) Fly for 2h 45m Arrive at 10:35pm in Lisbon (LIS)

    Layover in Lisbon for 13h 10m

    Fri Jun 27th 2025 TAP Portugal · TP 217 Depart at 11:45am from Lisbon (LIS) Fly for 7h 30m Arrive at 2:15pm in Boston (BOS)

    Layover in Boston for 2h 55m

    Fri Jun 27th 2025 TAP Portugal · TP 4455 Depart at 5:10pm from Boston (BOS) Fly for 1h 49m Arrive at 6:59pm in Washington, D.C. (DCA)

    Stay in Washington, D.C. for 103 nights

    Wed Oct 8th 2025 Finnair · AY 4254 Depart at 7:45pm from Washington, D.C. (DCA) Fly for 1h 23m Arrive at 9:08pm in New York (JFK)

    Layover in New York for 1h 47m

    Wed Oct 8th 2025 Finnair · AY 16 Depart at 10:55pm from New York (JFK) Fly for 8h 5m Arrive at 2:00pm in Helsinki (HEL)

    Layover in Helsinki for 2h 0m

    Thu Oct 9th 2025 Finnair · AY 1337 Depart at 4:00pm from Helsinki (HEL) Fly for 3h 5m Arrive at 5:05pm in London (LHR)

  • ₺72597
    LOT Polish AirlinesLOT Polish AirlinesLOT Polish Airlines
    6:30am - 10:59pm
    Thu Jun 26th 2025
    21h 29m
    London (LHR) → Washington, D.C. (DCA)
    2 Stops
    FinnairFinnairFinnair
    7:45pm - 5:05pm
    Wed Oct 8th 2025
    16h 20m
    Washington, D.C. (DCA) → London (LHR)
    2 Stops

    Thu Jun 26th 2025 LOT Polish Airlines · LO 286 Depart at 6:30am from London (LHR) Fly for 2h 25m Arrive at 9:55am in Warsaw (WAW)

    Layover in Warsaw for 2h 30m

    Thu Jun 26th 2025 LOT Polish Airlines · LO 6 Depart at 12:25pm from Warsaw (WAW) Fly for 9h 20m Arrive at 3:45pm in New York (JFK)

    Layover in New York for 5h 40m

    Thu Jun 26th 2025 LOT Polish Airlines · LO 5799 Depart at 9:25pm from New York (JFK) Fly for 1h 34m Arrive at 10:59pm in Washington, D.C. (DCA)

    Stay in Washington, D.C. for 103 nights

    Wed Oct 8th 2025 Finnair · AY 4254 Depart at 7:45pm from Washington, D.C. (DCA) Fly for 1h 23m Arrive at 9:08pm in New York (JFK)

    Layover in New York for 1h 47m

    Wed Oct 8th 2025 Finnair · AY 16 Depart at 10:55pm from New York (JFK) Fly for 8h 5m Arrive at 2:00pm in Helsinki (HEL)

    Layover in Helsinki for 2h 0m

    Thu Oct 9th 2025 Finnair · AY 1337 Depart at 4:00pm from Helsinki (HEL) Fly for 3h 5m Arrive at 5:05pm in London (LHR)

  • ₺84520
    Air CanadaAir Canada
    12:05pm - 6:02pm
    Thu Jun 26th 2025
    10h 57m
    London (LHR) → Washington, D.C. (DCA)
    1 Stop
    FinnairFinnair
    5:52pm - 8:15am
    Wed Oct 8th 2025
    9h 23m
    Washington, D.C. (DCA) → London (LHR)
    1 Stop

    Thu Jun 26th 2025 Air Canada · AC 855 Depart at 12:05pm from London (LHR) Fly for 7h 50m Arrive at 2:55pm in Toronto (YYZ)

    Layover in Toronto for 1h 35m

    Thu Jun 26th 2025 Air Canada · AC 8782 Depart at 4:30pm from Toronto (YYZ) Fly for 1h 32m Arrive at 6:02pm in Washington, D.C. (DCA)

    Stay in Washington, D.C. for 103 nights

    Wed Oct 8th 2025 Finnair · AY 4104 Depart at 5:52pm from Washington, D.C. (DCA) Fly for 1h 27m Arrive at 7:19pm in New York (JFK)

    Layover in New York for 0h 46m

    Wed Oct 8th 2025 Finnair · AY 5516 Depart at 8:05pm from New York (JFK) Fly for 7h 10m Arrive at 8:15am in London (LHR)

@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.❞

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