Route Price Intelligence
Cheap Flights From Boise to Saint Louis
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$392
Great Deal
Under $336
Typical Range
$336 – $443
Lowest We've Seen
$138
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$323
Feb
$336
Mar
$437
Apr
$407
May
$407
Jun
$407
Jul
$407
Aug
$392
Sep
$392
Oct
$392
Nov
$364
Dec
$353
Cheapest Average Expensive
Best Time to Fly from Boise to Saint Louis
The cheapest time to fly from Boise to Saint Louis is typically January, when fares average around $323. The most expensive month tends to be March at around $437. For the best deals, consider flying in January, February, December.
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: November4,699 fares analyzedTypical low: $430
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