Latest Flight Deals from St. Louis to Porto Alegre
Book one-way or return flights from St. Louis to Porto Alegre from as little as NZD 670. Choose from the popular airlines below and book your flight today!
- One way
- Round-trip
- STL19:5126h 28m2 stopsPOA00:19Wed, May 1|St. Louis - Porto Alegre|Frontier AirlinesNZD 670NZD 1,27247% OFF47% OFFNZD 1,272NZD 670
- STL18:3033h 50m2 stopsPOA06:20Tue, May 14|St. Louis - Porto Alegre|Delta Air LinesNZD 750NZD 1,27241% OFF41% OFFNZD 1,272NZD 750
- STL17:0227h 8m2 stopsPOA22:10Mon, May 13|St. Louis - Porto Alegre|Delta Air LinesNZD 775NZD 1,27239% OFF39% OFFNZD 1,272NZD 775
- STL21:1125h 8m2 stopsPOA00:19Mon, May 13|St. Louis - Porto Alegre|Frontier AirlinesNZD 804NZD 804
- STL19:1033h 10m2 stopsPOA06:20Fri, May 17|St. Louis - Porto Alegre|Delta Air LinesNZD 829NZD 829
- STL17:0935h 11m2 stopsPOA06:20Sat, May 11|St. Louis - Porto Alegre|Delta Air LinesNZD 835NZD 835
- STL07:0224h 8m2 stopsPOA09:10Sun, May 19|St. Louis - Porto Alegre|Delta Air LinesNZD 845NZD 845
- STL19:1627h 3m2 stopsPOA00:19Sun, May 5|St. Louis - Porto Alegre|Frontier AirlinesNZD 856NZD 856
- STL17:0920h 11m2 stopsPOA15:20Sat, May 18|St. Louis - Porto Alegre|Delta Air LinesNZD 898NZD 898
- STL11:3034h 49m2 stopsPOA00:19Tue, May 14|St. Louis - Porto Alegre|Southwest AirlinesNZD 914NZD 914
- STL13:003h 5mDirectPOA14:00Tue, May 7|St. Louis - Porto Alegre|Frontier AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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Find more flights and airlines
Discover different routes, airlines, and transfers and find the best alternative flights for your journey from St. Louis to Porto Alegre.
- CheapestSTL19:5126h 28m2 transferPOA00:19St. Louis Lambert International Airport - Salgado Filho International AirportWed, May 1Frontier AirlinesNZD 670
- STL19:5126h 28m2 transferPOA00:19St. Louis Lambert International Airport - Salgado Filho International AirportWed, May 1Frontier AirlinesNZD 670Find More Flights
How do I find the cheapest flights?
How to find a cheap flight from St. Louis to Porto Alegre
Off-season for travel | May |
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Peak season for travel | March |
Flight distance | 8,634.81km |
Popular airline | United Airlines |
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