Route Price Intelligence
Cheap Flights From Chicago to Seattle
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$277
Great Deal
Under $257
Typical Range
$257 – $334
Lowest We've Seen
$93
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$258
Feb
$277
Mar
$379
Apr
$277
May
$277
Jun
$277
Jul
$277
Aug
$277
Sep
$260
Oct
$277
Nov
$257
Dec
$277
Cheapest Average Expensive
Best Time to Fly from Chicago to Seattle
The cheapest time to fly from Chicago to Seattle is typically November, when fares average around $257. The most expensive month tends to be March at around $379. For the best deals, consider flying in November, January, September.
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: November12,475 fares analyzedTypical low: $355
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