Cheap flights from Washington to London
from 269 US$
From 453 USD — compare hundreds of airlines
The cheapest month is usually 2026-09 · 269 US$
See prices for my dates →Live fares from 100+ sites — free, with no hidden fees.
About this route
Compare flights from Washington to London, a about 5,911 km route (around 7h 53m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as American Airlines, British Airways, Iberia operate this route.
When to buy and when to fly
Prices by date
Fares found by date — cheapest days in green.
How to get the best price
Airlines on this route
FAQ
What's the cheapest month to fly Washington to London?
It's usually 2026-09, from 269 USD. Use the price calendar to compare other dates.
How long is the flight from Washington to London?
A nonstop flight takes about 7h 53m and covers around 5,911 km. Connecting itineraries take longer.
Are there direct flights from Washington to London?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Washington to London?
American Airlines, British Airways, Iberia, Lufthansa operate this route, among others. Compare them all in the results.
When should I book Washington–London flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.
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Washington → London · Live fares from 100+ sites — free, with no hidden fees.