Route Price Intelligence
Cheap Flights From St. Louis to Porto Alegre
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$1,311
Deals From
$1,229
Usually Costs
$1,229 – $1,498
Lowest We've Seen
$906
Based on 6,804 price pointshigh confidence
Monthly Price Guide
Jan
$1,500
Feb
$1,433
Mar
$1,234
Apr
$1,171
May
$1,180
Jun
$1,704
Jul
$1,678
Aug
$1,194
Sep
$1,120
Oct
$1,138
Nov
$1,118
Dec
$1,659
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 $1,118. The most expensive month tends to be June at around $1,704. For the best deals, consider flying in November, September, October.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $90674 price checksWorst: $1,113