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Cheap flights from St Louis (STL) 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 St Louis (STL) to Shannon (SNN)

How to find the cheapest flight from St Louis (STL) to Shannon (SNN)
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How to find the cheapest flight from St Louis (STL) to Shannon (SNN)
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How to find the cheapest flight from St Louis (STL) to Shannon (SNN)
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Cheap flights from St Louis to Shannon in January , February 2026

18 Jan - 16 Feb $ 895.00
STL
St Louis
KLM Royal Dutch Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
KLM Royal Dutch Airlines
2 STOPS
STL
St Louis
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18 Jan - 16 Feb $ 1,031.00
STL
St Louis
KLM Royal Dutch Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
KLM Royal Dutch Airlines
2 STOPS
STL
St Louis
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15 Jan - 15 Feb $ 1,073.00
STL
St Louis
KLM Royal Dutch Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
KLM Royal Dutch Airlines
2 STOPS
STL
St Louis
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Last minute flights from St Louis to Shannon

21 Jan - 02 Feb $ 1,077.00
STL
St Louis
Frontier Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
Frontier Airlines
3 STOPS
STL
St Louis
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21 Jan - 02 Feb $ 1,175.00
STL
St Louis
Frontier Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
Frontier Airlines
3 STOPS
STL
St Louis
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26 Jan - 02 Feb $ 1,175.00
STL
St Louis
Frontier Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
Frontier Airlines
3 STOPS
STL
St Louis
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One-way flights to Shannon from St Louis

3:11 PM - 10:00 AM
Aer Lingus
2 Stops
14h 19m
STL - SNN
$ 308
Kiwi
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6:40 PM - 3:15 PM
Aer Lingus
2 Stops
16h 5m
STL - SNN
$ 309
Kiwi
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12:44 PM - 10:00 AM
Aer Lingus
2 Stops
16h 46m
STL - SNN
$ 309
Kiwi
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How to find the cheapest flight from St Louis (STL) to Shannon (SNN)

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