Route Price Intelligence
Cheap Flights From St. Louis to Portland, Maine
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$414
Great Deal
Under $399
Typical Range
$399 – $434
Lowest We've Seen
$231
Based on 542 price pointshigh confidence
Monthly Price Guide
Jan
$378
Feb
$381
Mar
$427
Apr
$462
May
$427
Jun
$413
Jul
$413
Aug
$413
Sep
$413
Oct
$413
Nov
$413
Dec
$419
Cheapest Average Expensive
Best Time to Fly from St. Louis to Portland, Maine
The cheapest time to fly from St. Louis to Portland, Maine is typically January, when fares average around $378. The most expensive month tends to be April at around $462. For the best deals, consider flying in January, February, October.
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: November4,492 fares analyzedTypical low: $413
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