Route Price Intelligence
Cheap Flights From Washington, D.C. to Seattle
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$302
Deals From
$259
Usually Costs
$259 – $373
Lowest We've Seen
$144
Based on 3,161 price pointshigh confidence
Monthly Price Guide
Jan
$259
Feb
$279
Mar
$369
Apr
$390
May
$332
Jun
$360
Jul
$343
Aug
$293
Sep
$249
Oct
$259
Nov
$268
Dec
$378
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 $390. 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: $14471 price checksWorst: $208