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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
$394
Usually Costs
$394$445
Lowest We've Seen
$138
Based on 6,754 price pointshigh confidence

Monthly Price Guide

Jan
$437
Feb
$437
Mar
$637
Apr
$451
May
$382
Jun
$412
Jul
$432
Aug
$426
Sep
$437
Oct
$445
Nov
$439
Dec
$437
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 $382. The most expensive month tends to be March at around $637. 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

$138$171$204$237$270Jan 17Feb 28Apr 16
Best: $13884 price checksWorst: $270
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