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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)
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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 December 2025 , January 2026

30 Dec - 23 Jan $ 995.00
STL
St Louis
Frontier Airlines
2 STOPS
ASU
Asuncion
ASU
Asuncion
Frontier Airlines
2 STOPS
STL
St Louis
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30 Dec - 30 Jan $ 995.00
STL
St Louis
Frontier Airlines
2 STOPS
ASU
Asuncion
ASU
Asuncion
Frontier Airlines
2 STOPS
STL
St Louis
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30 Dec - 28 Jan $ 995.00
STL
St Louis
Frontier Airlines
2 STOPS
ASU
Asuncion
ASU
Asuncion
Frontier Airlines
2 STOPS
STL
St Louis
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Last minute flights from St Louis to Asuncion

29 Dec - 31 Dec $ 1,238.00
STL
St Louis
Frontier Airlines
2 STOPS
ASU
Asuncion
ASU
Asuncion
Frontier Airlines
2 STOPS
STL
St Louis
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23 Dec - 01 Jan $ 1,726.00
STL
St Louis
United Airlines
2 STOPS
ASU
Asuncion
ASU
Asuncion
United Airlines
2 STOPS
STL
St Louis
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23 Dec - 01 Jan $ 1,857.00
STL
St Louis
United Airlines
2 STOPS
ASU
Asuncion
ASU
Asuncion
United Airlines
2 STOPS
STL
St Louis
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One-way flights to Asuncion from St Louis

4:27 PM - 10:20 AM
LATAM Airlines
2 Stops
16h 58m
STL - ASU
$ 530
Kiwi
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7:00 AM - 12:30 AM
LATAM Airlines
3 Stops
20h 15m
STL - ASU
$ 533
Kiwi
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6:00 AM - 9:45 PM
Avianca
2 Stops
20h 15m
STL - ASU
$ 575
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.