Route Price Intelligence
Cheap Flights From Seattle to Boston
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$333
Deals From
$312
Usually Costs
$312 – $377
Lowest We've Seen
$187
Based on 5,174 price pointshigh confidence
Monthly Price Guide
Jan
$307
Feb
$328
Mar
$330
Apr
$432
May
$321
Jun
$358
Jul
$368
Aug
$343
Sep
$328
Oct
$332
Nov
$332
Dec
$367
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 $307. The most expensive month tends to be April at around $432. For the best deals, consider flying in January, May, February.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $19777 price checksWorst: $332