Washington → London flights

Washington (DCA, IAD)→London (LCY, LGW, LHR, LTN, SEN, STN)
from€319

Last observed price · Last checked: 26 Aug 2026 · Price may change

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Short answer

United Airlines flies Washington to London non-stop. The lowest fare our own searches returned is €319, seen on 26 Aug 2026. The average across the fares we caught is €596. November 2026 is the cheapest month in our observations, at €319. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.

Selected search
Last checked: 26 Aug 2026 · Price may change
€319
Wed 18 Nov 2026 → Wed 25 Nov 2026
TAP Air Portugal1 stop7 nights
Cheapest
Last checked: 26 Aug 2026 · Price may change
€319 lowest€596 average10h fastest
Options found on this date
TAP Air Portugal22:30 · 1 stop€319
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Tickets found in the last 7 days

The lowest fares our queries caught, cheapest first.

€319Cheapest18 Nov 2026 → 25 Nov 2026TAP Air Portugal · 1 stop · 22:30 - 08:30+1 · 10hLast checked: 26 Aug 2026 · Price may change7 nightsView ticket →€49418 Sep 2026 → 7 Oct 2026TAP Air Portugal · 1 stop · 22:50Last checked: 26 Aug 2026 · Price may change19 nightsView ticket →€4985 Nov 2026 → 12 Nov 2026Icelandair · 1 stop · 19:40Last checked: 26 Aug 2026 · Price may change7 nightsView ticket →€5531 Nov 2026 → 7 Nov 2026Icelandair · 2 stops · 19:40Last checked: 26 Aug 2026 · Price may change6 nightsView ticket →€5728 Jan 2027 → 15 Jan 2027Icelandair · 1 stop · 19:40Last checked: 26 Aug 2026 · Price may change7 nightsView ticket →€58125 Nov 2026 → 30 Nov 2026TAP Air Portugal · 1 stop · 22:30Last checked: 26 Aug 2026 · Price may change5 nightsView ticket →€63630 Sep 2026 → 7 Oct 2026SAS · 1 stop · 20:20Last checked: 26 Aug 2026 · Price may change7 nightsView ticket →€65524 Nov 2026 → 29 Nov 2026Icelandair · 1 stop · 19:40Last checked: 26 Aug 2026 · Price may change5 nightsView ticket →

Starting prices by month

The lowest fare our queries observed in each month. Open a month to see its days; click a day with no price and we will search it for you.

Observed priceLowest monthno price observedLast checked: 26 Aug 2026
Washington → LondonWed 18 Nov 2026 · €319
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Route facts

Direct flights
Non-stop
DCA - LCY, 10h
Airlines seen
1
United Airlines
Cheapest month
November 2026
€319
Average observed
€596
Typical duration
10h
5898 km
Alternative airports
6
IAD, LGW, LHR, LTN, SEN, STN

Frequently asked

Are there direct flights from Washington to London?+

Yes. We have seen non-stop flights on this route, flown by United Airlines.

How much is a flight from Washington to London?+

The lowest fare we have observed is €319, found on 26 Aug 2026. Prices move, so read it as a floor rather than a quote.

Which airlines fly from Washington to London?+

These are the carriers we have seen on the route: United Airlines.

When is the cheapest month to fly from Washington to London?+

In our observations November 2026 is the cheapest month so far, at €319.

Similar routes

Washington → Istanbul€605Stockholm → London€31Izmir → London€148Dalaman → London€142Munich → London€104Valencia → London€40Hamburg → London€44Zurich → London€101

More routes from Washington

Washington → Istanbul€605Washington → Orlando€124Washington → San Salvador€212Washington → Fort Lauderdale€98Washington → Dubai€512Washington → Atlanta€77Washington → Paris€487Washington → Los Angeles€173Washington → Dallas€107Washington → New York€186Washington → Houston€191Washington → Cairo€419Washington → Frankfurt€590Washington → Toronto€371Washington → Montreal€404Washington → Amsterdam€556Washington → Seoul€692Washington → Lisbon€634Washington → Sao Paulo€648Washington → Panama City€466Washington → Rome€610Washington → Addis Ababa€522Washington → Barcelona€592Washington → Doha€1,590Washington → Guatemala City€577Washington → Vienna€857Washington → Munich€783Washington → Dublin€601Washington → Tokyo€862Washington → San Jose

More routes to London

Stockholm → London€31Izmir → London€148Dalaman → London€142Munich → London€104Valencia → London€40Hamburg → London€44Zurich → London€101Belfast → London€33Dortmund → London€39Paphos → London€92Copenhagen → London€38Rome → London€44Reykjavik → London€92Geneva → London€64New York → London€332Cork → London€37Faro → London€43Los Angeles → London€524Aarhus → London€187Santiago De Compostela → London€81Edinburgh → London€36Sydney → London€850Bodrum → London€156Toronto → London€432Montreal → London€507Mumbai → London€447Prague → London€44Larnaca → London€63Bordeaux → London€87Dublin → London€29

Last checked: 26 Aug 2026