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Cheap flights from Austin (AUS) to Shannon (SNN)

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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 Austin (AUS) to Shannon (SNN)

How to find the cheapest flight from Austin (AUS) to Shannon (SNN)
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How to find the cheapest flight from Austin (AUS) to Shannon (SNN)
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How to find the cheapest flight from Austin (AUS) to Shannon (SNN)
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Cheap flights from Austin to Shannon in December 2025 , January 2026

31 Dec - 12 Jan $ 1,143.00
AUS
Austin
Frontier Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
Frontier Airlines
3 STOPS
AUS
Austin
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31 Dec - 12 Jan $ 1,186.00
AUS
Austin
Frontier Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
Frontier Airlines
3 STOPS
AUS
Austin
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31 Dec - 12 Jan $ 1,187.00
AUS
Austin
Frontier Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
Frontier Airlines
3 STOPS
AUS
Austin
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Last minute flights from Austin to Shannon

30 Dec - 02 Jan $ 1,887.00
AUS
Austin
Frontier Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
Frontier Airlines
3 STOPS
AUS
Austin
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30 Dec - 01 Jan $ 2,158.00
AUS
Austin
KLM Royal Dutch Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
KLM Royal Dutch Airlines
2 STOPS
AUS
Austin
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30 Dec - 01 Jan $ 2,173.00
AUS
Austin
KLM Royal Dutch Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
KLM Royal Dutch Airlines
2 STOPS
AUS
Austin
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One-way flights to Shannon from Austin

1:35 PM - 3:15 PM
Aer Lingus
2 Stops
21h 10m
AUS - SNN
$ 613
Kiwi
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12:52 PM - 10:00 AM
Aer Lingus
2 Stops
16h 38m
AUS - SNN
$ 656
Kiwi
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1:35 PM - 10:00 AM
Aer Lingus
2 Stops
15h 55m
AUS - SNN
$ 658
Kiwi
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How to find the cheapest flight from Austin (AUS) to Shannon (SNN)

Related info for your journey
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How to find the cheapest flight from Austin (AUS) to Shannon (SNN)
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 Austin (AUS) to Shannon (SNN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.