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Route Price Intelligence

Cheap Flights From St. Louis to Boston

Live pricing benchmarks, monthly patterns, and historical lows for this route.

Typical Price
$418
Deals From
$320
Usually Costs
$320$461
Lowest We've Seen
$160
Based on 4,738 price pointshigh confidence

Monthly Price Guide

Jan
$461
Feb
$461
Mar
$481
Apr
$350
May
$242
Jun
$331
Jul
$356
Aug
$322
Sep
$441
Oct
$461
Nov
$461
Dec
$461
Cheapest Average Expensive

Best Time to Fly from St. Louis to Boston

The cheapest time to fly from St. Louis to Boston is typically May, when fares average around $242. The most expensive month tends to be March at around $481. For the best deals, consider flying in May, August, June.

Cheapest Fare Found (Last 90 Days)

The lowest round-trip price available on each day we checked

$160$176$191$207$222Feb 2Mar 13Apr 20
Best: $16076 price checksWorst: $222
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