Route Price Intelligence
Cheap Flights From Chicago to Seattle
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$355
Great Deal
Under $290
Typical Range
$290 – $355
Lowest We've Seen
$93
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$355
Feb
—
Mar
—
Apr
$374
May
$270
Jun
$270
Jul
$329
Aug
$290
Sep
$355
Oct
$355
Nov
$355
Dec
$355
Cheapest Average Expensive
Best Time to Fly from Chicago to Seattle
The cheapest time to fly from Chicago to Seattle is typically May, when fares average around $270. The most expensive month tends to be April at around $374. For the best deals, consider flying in May, June, August.
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