Route Price Intelligence
Cheap Flights From Washington, D.C. to Seattle
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$300
Deals From
$248
Usually Costs
$248 – $369
Lowest We've Seen
$144
Based on 8,727 price pointshigh confidence
Monthly Price Guide
Jan
$259
Feb
$299
Mar
$586
Apr
$318
May
$309
Jun
$356
Jul
$358
Aug
$299
Sep
$249
Oct
$248
Nov
$282
Dec
$351
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 October, when fares average around $248. The most expensive month tends to be March at around $586. For the best deals, consider flying in October, September, January.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $14489 price checksWorst: $208