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Cheap flights from St Louis (STL) to Asuncion (ASU)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
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How to find the cheapest flight from St Louis (STL) to Asuncion (ASU)

How to find the cheapest flight from St Louis (STL) to Asuncion (ASU)
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How to find the cheapest flight from St Louis (STL) to Asuncion (ASU)
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How to find the cheapest flight from St Louis (STL) to Asuncion (ASU)
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Cheap flights from St Louis to Asuncion in June , July 2026

30 Jun - 30 Jul $ 1,212.00
STL
St Louis
Frontier Airlines
2 STOPS
ASU
Asuncion
ASU
Asuncion
Frontier Airlines
3 STOPS
STL
St Louis
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30 Jun - 29 Jul $ 1,334.00
STL
St Louis
Frontier Airlines
2 STOPS
ASU
Asuncion
ASU
Asuncion
Frontier Airlines
3 STOPS
STL
St Louis
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30 Jun - 28 Jul $ 1,334.00
STL
St Louis
Frontier Airlines
2 STOPS
ASU
Asuncion
ASU
Asuncion
Frontier Airlines
3 STOPS
STL
St Louis
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One-way flights to Asuncion from St Louis

7:46 PM - 6:46 PM
Copa Airlines
3 Stops
53h 2m
STL - ASU
$ 685
Kiwi
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8:08 PM - 6:46 PM
Copa Airlines
3 Stops
52h 40m
STL - ASU
$ 731
Kiwi
Pick dates
6:30 AM - 6:46 PM
Copa Airlines
2 Stops
18h 17m
STL - ASU
$ 763
Kiwi
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How to find the cheapest flight from St Louis (STL) to Asuncion (ASU)

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