Route Price Intelligence
Cheap Flights From Seattle to London
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$773
Great Deal
Under $753
Typical Range
$753 – $889
Lowest We've Seen
$495
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$753
Feb
$758
Mar
$764
Apr
$772
May
$798
Jun
$964
Jul
—
Aug
—
Sep
$940
Oct
$883
Nov
$786
Dec
$795
Cheapest Average Expensive
Best Time to Fly from Seattle to London
The cheapest time to fly from Seattle to London is typically January, when fares average around $753. The most expensive month tends to be June at around $964. For the best deals, consider flying in January, February, March.
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: October10,183 fares analyzedTypical low: $649