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Route Price Intelligence

Cheap Flights From St. Louis to Porto

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

Typical Price
$1,026
Deals From
$906
Usually Costs
$906$1,199
Lowest We've Seen
$446
Based on 3,434 price pointshigh confidence

Monthly Price Guide

Jan
$935
Feb
Mar
Apr
$915
May
$1,183
Jun
$1,230
Jul
$1,171
Aug
$996
Sep
$989
Oct
$858
Nov
$836
Dec
$1,123
Cheapest Average Expensive

Best Time to Fly from St. Louis to Porto

The cheapest time to fly from St. Louis to Porto is typically November, when fares average around $836. The most expensive month tends to be June at around $1,230. For the best deals, consider flying in November, October, April.

Cheapest Fare Found (Last 90 Days)

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

$487$555$623$690$758Feb 7Mar 14Apr 19
Best: $48763 price checksWorst: $758
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