Route Price Intelligence
Cheap Flights From Washington, D.C. to Seattle
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$289
Deals From
$239
Usually Costs
$239 – $356
Lowest We've Seen
$144
Based on 8,309 price pointshigh confidence
Monthly Price Guide
Jan
$368
Feb
$248
Mar
$290
Apr
$228
May
$259
Jun
$309
Jul
$309
Aug
$251
Sep
$218
Oct
$229
Nov
$229
Dec
$339
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 $218. The most expensive month tends to be January at around $368. For the best deals, consider flying in September, April, October.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $14479 price checksWorst: $199