Route Price Intelligence
Cheap Flights From Seattle to London
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$767
Great Deal
Under $672
Typical Range
$672 – $889
Lowest We've Seen
$495
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$697
Feb
$697
Mar
$697
Apr
$686
May
$798
Jun
$964
Jul
$773
Aug
—
Sep
$767
Oct
$767
Nov
$693
Dec
$795
Cheapest Average Expensive
Best Time to Fly from Seattle to London
The cheapest time to fly from Seattle to London is typically April, when fares average around $686. The most expensive month tends to be June at around $964. For the best deals, consider flying in April, November, January.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route
Cheapest month: November6,189 fares analyzedTypical low: $716
Planning London?
Best months to go, what a day on the ground costs, and the tours worth booking.
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