Route Price Intelligence
Cheap Flights From St. Louis to Porto Alegre
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$1,276
Deals From
$1,229
Usually Costs
$1,229 – $1,464
Lowest We've Seen
$906
Based on 3,633 price pointshigh confidence
Monthly Price Guide
Jan
$1,232
Feb
$1,225
Mar
$1,764
Apr
$1,697
May
$1,462
Jun
$1,400
Jul
$1,390
Aug
$1,232
Sep
$1,231
Oct
$1,231
Nov
$1,225
Dec
$1,326
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 November, when fares average around $1,225. The most expensive month tends to be March at around $1,764. For the best deals, consider flying in November, February, October.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $93256 price checksWorst: $1,179