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Cheap flights from St Louis (STL) to Mendoza (MDZ)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from St Louis (STL) to Mendoza (MDZ)

How to find the cheapest flight from St Louis (STL) to Mendoza (MDZ)
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How to find the cheapest flight from St Louis (STL) to Mendoza (MDZ)
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How to find the cheapest flight from St Louis (STL) to Mendoza (MDZ)
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Cheap flights from St Louis to Mendoza in August , September 2026

21 Aug - 25 Sep $ 1,139.00
STL
St Louis
Frontier Airlines
3 STOPS
MDZ
Mendoza
MDZ
Mendoza
Frontier Airlines
3 STOPS
STL
St Louis
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21 Aug - 24 Sep $ 1,236.00
STL
St Louis
Frontier Airlines
3 STOPS
MDZ
Mendoza
MDZ
Mendoza
Frontier Airlines
3 STOPS
STL
St Louis
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21 Aug - 03 Sep $ 1,244.00
STL
St Louis
Frontier Airlines
3 STOPS
MDZ
Mendoza
MDZ
Mendoza
Frontier Airlines
3 STOPS
STL
St Louis
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Last minute flights from St Louis to Mendoza

21 Aug - 01 Sep $ 1,278.00
STL
St Louis
Frontier Airlines
3 STOPS
MDZ
Mendoza
MDZ
Mendoza
Frontier Airlines
3 STOPS
STL
St Louis
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21 Aug - 01 Sep $ 1,320.00
STL
St Louis
Frontier Airlines
3 STOPS
MDZ
Mendoza
MDZ
Mendoza
Frontier Airlines
3 STOPS
STL
St Louis
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21 Aug - 01 Sep $ 1,405.00
STL
St Louis
Frontier Airlines
3 STOPS
MDZ
Mendoza
MDZ
Mendoza
Frontier Airlines
3 STOPS
STL
St Louis
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One-way flights to Mendoza from St Louis

7:58 PM - 7:50 AM
Aerolineas Argentinas
3 Stops
35h 52m
STL - MDZ
$ 573
Kiwi
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7:58 PM - 7:45 AM
Aerolineas Argentinas
3 Stops
35h 47m
STL - MDZ
$ 596
Kiwi
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7:58 PM - 3:37 PM
Copa Airlines
3 Stops
26h 27m
STL - MDZ
$ 616
Kiwi
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How to find the cheapest flight from St Louis (STL) to Mendoza (MDZ)

Related info for your journey
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How to find the cheapest flight from St Louis (STL) to Mendoza (MDZ)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from St Louis (STL) to Mendoza (MDZ)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.