LHR → IAD · direct available
Cheap flights from London to Washington
We track fares from London to Washington, United States every day. Across 68 prices we've logged, the cheapest was €372 return and a typical fare runs around €473. The cheapest month to fly is usually May 2027.
Cheapest seen
€372
Typical price
€473
Cheapest month
May 2027
Non-stop
Available
No live deal on this exact route right now — but the typical fare is around €473. Search your dates below, or browse all deals to United States.
Cheapest months to fly
The typical cheapest fare by month, from our tracking — a guide only. Check the live price on Aviasales before booking.
| Month | Typical from | Check price |
|---|---|---|
| May 2027 | €416 | Check on Aviasales → |
Each link opens the live Aviasales search for that month, where you can pick the exact cheapest dates.
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London to Washington: the basics
- Route
- London (LHR) → Washington (IAD)
- Distance
- 5,902 km
- Non-stop
- Yes
- Airlines seen
- American Airlines, AV, FI, Lufthansa, Brussels Airlines, United Airlines
Planning the trip? United States: what to see and when to go covers where to go and when.