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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 December 2025 , January 2026

30 Dec - 23 Jan $ 904.00
STL
St Louis
Frontier Airlines
3 STOPS
MDZ
Mendoza
MDZ
Mendoza
Frontier Airlines
3 STOPS
STL
St Louis
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29 Dec - 23 Jan $ 1,018.00
STL
St Louis
Frontier Airlines
3 STOPS
MDZ
Mendoza
MDZ
Mendoza
Frontier Airlines
3 STOPS
STL
St Louis
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29 Dec - 21 Jan $ 1,025.00
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

29 Dec - 01 Jan $ 1,367.00
STL
St Louis
Frontier Airlines
3 STOPS
MDZ
Mendoza
MDZ
Mendoza
Frontier Airlines
3 STOPS
STL
St Louis
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29 Dec - 01 Jan $ 1,433.00
STL
St Louis
Frontier Airlines
3 STOPS
MDZ
Mendoza
MDZ
Mendoza
Frontier Airlines
3 STOPS
STL
St Louis
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29 Dec - 01 Jan $ 1,451.00
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

4:27 PM - 10:00 AM
LATAM Airlines
3 Stops
39h 38m
STL - MDZ
$ 431
Kiwi
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10:40 AM - 1:45 PM
Sky Airline
3 Stops
25h 10m
STL - MDZ
$ 545
Kiwi
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7:00 AM - 1:05 AM
LATAM Airlines
3 Stops
20h 40m
STL - MDZ
$ 618
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.