Route Price Intelligence
Cheap Flights From Washington, D.C. to Seattle
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$299
Deals From
$259
Usually Costs
$259 – $379
Lowest We've Seen
$144
Based on 331 price pointshigh confidence
Monthly Price Guide
Jan
$259
Feb
$299
Mar
$437
Apr
$474
May
$342
Jun
$374
Jul
$345
Aug
$293
Sep
$249
Oct
$259
Nov
$264
Dec
$384
Cheapest Average Expensive
Best Time to Fly from Washington, D.C. to Seattle
The cheapest time to fly from Washington, D.C. to Seattle is typically September, when fares average around $249. The most expensive month tends to be April at around $474. For the best deals, consider flying in September, October, January.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $14470 price checksWorst: $208