About This Route
Find cheap flights from Seattle (SEA) to London (LHR). Compare airlines like Delta and British Airways, check schedules, and book the best deals starting from $449.
Airlines Operating This Route
Frequently Asked Questions
How long is the flight from Seattle to London?
The average flight time from Seattle to London is approximately 9h 30m. This may vary depending on the airline, aircraft type, and weather conditions.
What is the cheapest way to fly from Seattle to London?
Flights from Seattle to London start from $449. We recommend booking 2-3 months in advance and using our search tool to compare prices across all airlines.
Which airlines fly from SEA to LHR?
Airlines operating on this route include Delta, British Airways, Virgin Atlantic. Each offers different service levels and pricing.
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