Question 1

Are there direct flights from Seattle to London?

Accepted Answer

Yes, there are non-stop flights operating between Seattle and London. Flight time is approximately 9h 50m.

Question 2

How long is the flight from Seattle to London?

Accepted Answer

Direct flights from Seattle to London typically take around 9h 50m. The great-circle distance is approximately 7,700 km.

Question 3

What is the cheapest day to fly from Seattle to London?

Accepted Answer

As a general industry pattern, mid-week flights (Tuesday and Wednesday) tend to be cheaper — see the cheapest-day page for real fare data on this route where available.

Question 4

Which airlines fly from Seattle to London?

Accepted Answer

Use our flight search above to see live availability and compare prices across airlines flying Seattle to London.

Question 5

How far in advance should I book a flight from Seattle to London?

Accepted Answer

For the best fares, aim to book 4–8 weeks ahead during peak season and 2–4 weeks during off-peak periods. Last-minute deals can sometimes appear within 14 days of departure.

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FAQs — Direct Flights Seattle to London