Route Price Intelligence
Cheap Flights From Washington, D.C. to Seattle
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$335
Deals From
$294
Usually Costs
$294 – $397
Lowest We've Seen
$159
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$378
Feb
—
Mar
—
Apr
$668
May
$344
Jun
$282
Jul
$336
Aug
$265
Sep
$265
Oct
$342
Nov
$368
Dec
$412
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 August, when fares average around $265. The most expensive month tends to be April at around $668. For the best deals, consider flying in August, September, June.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $14470 price checksWorst: $208