Route Price Intelligence
Cheap Flights From Boise to Saint Louis
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$437
Deals From
$412
Usually Costs
$412 – $445
Lowest We've Seen
$138
Based on 237 price pointshigh confidence
Monthly Price Guide
Jan
$437
Feb
—
Mar
—
Apr
$608
May
$412
Jun
$426
Jul
$426
Aug
$414
Sep
$437
Oct
$445
Nov
$445
Dec
$445
Cheapest Average Expensive
Best Time to Fly from Boise to Saint Louis
The cheapest time to fly from Boise to Saint Louis is typically May, when fares average around $412. The most expensive month tends to be April at around $608. For the best deals, consider flying in May, August, June.
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: August19,010 fares analyzedTypical low: $409