Route Price Intelligence
Cheap Flights From Chicago to Seattle
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$379
Great Deal
Under $311
Typical Range
$311 – $379
Lowest We've Seen
$93
Based on 542 price pointshigh confidence
Monthly Price Guide
Jan
$379
Feb
$379
Mar
$379
Apr
$379
May
—
Jun
—
Jul
$388
Aug
$289
Sep
$260
Oct
$311
Nov
$362
Dec
$379
Cheapest Average Expensive
Best Time to Fly from Chicago to Seattle
The cheapest time to fly from Chicago to Seattle is typically September, when fares average around $260. The most expensive month tends to be July at around $388. For the best deals, consider flying in September, August, October.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route
Cheapest month: August43,783 fares analyzedTypical low: $279