Route Price Intelligence
Cheap Flights From Chicago to Seattle
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$305
Deals From
$270
Usually Costs
$270 – $351
Lowest We've Seen
$93
Based on 8,550 price pointshigh confidence
Monthly Price Guide
Jan
$343
Feb
$217
Mar
$207
Apr
$207
May
$246
Jun
$295
Jul
$288
Aug
$273
Sep
$273
Oct
$282
Nov
$273
Dec
$295
Cheapest Average Expensive
Best Time to Fly from Chicago to Seattle
The cheapest time to fly from Chicago to Seattle is typically March, when fares average around $207. The most expensive month tends to be January at around $343. For the best deals, consider flying in March, April, February.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $9380 price checksWorst: $210