Route Price Intelligence
Cheap Flights From Seattle to Saint Louis
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$250
Deals From
$242
Usually Costs
$242 – $277
Lowest We've Seen
$145
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$282
Feb
—
Mar
—
Apr
$323
May
$249
Jun
$253
Jul
$256
Aug
$223
Sep
$215
Oct
$249
Nov
$249
Dec
$275
Cheapest Average Expensive
Best Time to Fly from Seattle to Saint Louis
The cheapest time to fly from Seattle to Saint Louis is typically September, when fares average around $215. The most expensive month tends to be April at around $323. For the best deals, consider flying in September, August, October.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $16069 price checksWorst: $210