LIS → IAD · direct available
Cheap flights from Lisbon to Washington
We track fares from Lisbon to Washington, United States every day. Across 48 prices we've logged, the cheapest was €422 return and a typical fare runs around €529. The cheapest month to fly is usually Aug 2026.
Cheapest seen
€422
Typical price
€529
Cheapest month
Aug 2026
Non-stop
Available
No live deal on this exact route right now — but the typical fare is around €529. 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 |
|---|---|---|
| Sept 2026 | €511 | 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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Lisbon to Washington: the basics
- Route
- Lisbon (LIS) → Washington (IAD)
- Distance
- 5,766 km
- Non-stop
- Yes
- Airlines seen
- American Airlines, Air France, AT, KLM, Lufthansa, TAP Air Portugal
Planning the trip? United States: what to see and when to go covers where to go and when.