Route Price Intelligence
Cheap Flights From Chicago to Seattle
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$349
Deals From
$270
Usually Costs
$270 – $355
Lowest We've Seen
$93
Based on 8,277 price pointshigh confidence
Monthly Price Guide
Jan
$355
Feb
$355
Mar
$482
Apr
$264
May
$250
Jun
$270
Jul
$309
Aug
$270
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 $250. The most expensive month tends to be March at around $482. For the best deals, consider flying in May, April, June.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $11590 price checksWorst: $305