Route Price Intelligence
Cheap Flights From St. Louis to Porto Alegre
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$1,277
Great Deal
Under $1,236
Typical Range
$1,236 – $1,444
Lowest We've Seen
$906
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$1,232
Feb
$1,109
Mar
$1,236
Apr
$1,402
May
$1,406
Jun
$1,396
Jul
$1,357
Aug
$1,242
Sep
$1,232
Oct
$1,232
Nov
$1,229
Dec
$1,252
Cheapest Average Expensive
Best Time to Fly from St. Louis to Porto Alegre
The cheapest time to fly from St. Louis to Porto Alegre is typically February, when fares average around $1,109. The most expensive month tends to be May at around $1,406. For the best deals, consider flying in February, November, 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: November4,217 fares analyzedTypical low: $1,221
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