Route Price Intelligence
Cheap Flights From Seattle to Boston
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$328
Deals From
$297
Usually Costs
$297 – $372
Lowest We've Seen
$187
Based on 331 price pointshigh confidence
Monthly Price Guide
Jan
$297
Feb
$297
Mar
$328
Apr
$502
May
$328
Jun
$383
Jul
$378
Aug
$338
Sep
$312
Oct
$312
Nov
$305
Dec
$343
Cheapest Average Expensive
Best Time to Fly from Seattle to Boston
The cheapest time to fly from Seattle to Boston is typically January, when fares average around $297. The most expensive month tends to be April at around $502. For the best deals, consider flying in January, February, November.
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: September21,806 fares analyzedTypical low: $297