How to find the cheapest flight from
St Louis (STL) to Porto Alegre (POA)
What is the cheapest month to fly from St Louis to Porto Alegre?
May can be a great time to fly to Porto Alegre from St Louis with a flight ticket averaging about $1,022. Cheapflights users have found deals in the month of May for as cheap as $707. The most expensive prices can be found in the month of December.
Related info for your journey
Useful info, stats and facts about St Louis to Porto Alegre flights.
Alternative routes for St Louis to Porto Alegre
Destination information for Porto Alegre
Things to know before you go. Useful info for your trip from St Louis to Porto Alegre