Route Price Intelligence
Cheap Flights From Seattle to Boston
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$288
Deals From
$272
Usually Costs
$272 – $332
Lowest We've Seen
$187
Based on 8,247 price pointshigh confidence
Monthly Price Guide
Jan
$378
Feb
$312
Mar
$272
Apr
$283
May
$290
Jun
$352
Jul
$339
Aug
$303
Sep
$272
Oct
$272
Nov
$282
Dec
$307
Cheapest Average Expensive
Best Time to Fly from Seattle to Boston
The cheapest time to fly from Seattle to Boston is typically October, when fares average around $272. The most expensive month tends to be January at around $378. For the best deals, consider flying in October, March, September.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $18758 price checksWorst: $272