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
$240
Usually Costs
$240 – $365
Lowest We've Seen
$144
Based on 8,722 price pointshigh confidence
Monthly Price Guide
Jan
$259
Feb
$309
Mar
$586
Apr
$247
May
$282
Jun
$353
Jul
$354
Aug
$299
Sep
$250
Oct
$240
Nov
$283
Dec
$334
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 $240. The most expensive month tends to be March at around $586. For the best deals, consider flying in October, April, September.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $14487 price checksWorst: $199