Route Price Intelligence
Cheap Flights From Chicago to Seattle
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$355
Deals From
$290
Usually Costs
$290 – $355
Lowest We've Seen
$93
Based on 3,161 price pointshigh confidence
Monthly Price Guide
Jan
$355
Feb
$355
Mar
$355
Apr
$335
May
$250
Jun
$270
Jul
$324
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 $250. The most expensive month tends to be September at around $355. For the best deals, consider flying in May, June, August.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $11572 price checksWorst: $305