Flights from London to Seattle
Every non-stop option between the London area and the Seattle area: airlines, airport pairs, estimated fares and flight times. Launch a full door-to-door search to add ground transport on both sides, one-stop alternatives and an AI recommendation.
Estimated price
from €763
Flight time
≈ 10h 23m
Distance
7702 km
Airlines
8
Free — includes trains, taxis and buses to the airports, plus connecting flights.
Airlines flying London → Seattle non-stop
Airport pairs served
| Route | Airlines | Flight time | Estimated price |
|---|---|---|---|
| LHR → SEA | 8 | ≈ 10h 23m | from €763 |
Prices are deterministic estimates based on distance, season and airline — final fares come from the booking partner.
Frequently asked questions
- Which airlines fly direct from London to Seattle?
- 8 airline(s) operate non-stop flights between the London area and the Seattle area, including Delta Air Lines, Finnair, American Airlines.
- How much does a flight from London to Seattle cost?
- Our estimates start at €763 for a one-way non-stop ticket. Real fares vary with the season, the day of the week and how early you book — Tuesdays and Wednesdays are usually cheapest.
- How long is the flight from London to Seattle?
- The non-stop flight covers about 7702 km and takes approximately 10h 23m, depending on the exact airport pair and winds.
- What is the fastest door-to-door option?
- It depends on which airports you can reach easily. AirportFusion compares every airport around your exact address — including trains, taxis and buses on both sides — and recommends the best complete itinerary.
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