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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 April , May 2026

19 Apr - 05 May $ 944.00
STL
St Louis
United Airlines
1 STOPS
SNN
Shannon
SNN
Shannon
United Airlines
1 STOPS
STL
St Louis
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19 Apr - 03 May $ 944.00
STL
St Louis
United Airlines
1 STOPS
SNN
Shannon
SNN
Shannon
United Airlines
1 STOPS
STL
St Louis
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19 Apr - 05 May $ 948.00
STL
St Louis
United Airlines
1 STOPS
SNN
Shannon
SNN
Shannon
United Airlines
2 STOPS
STL
St Louis
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Last minute flights from St Louis to Shannon

27 Apr - 01 May $ 1,350.00
STL
St Louis
Frontier Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
Frontier Airlines
3 STOPS
STL
St Louis
Pick dates
27 Apr - 01 May $ 1,440.00
STL
St Louis
Frontier Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
Frontier Airlines
3 STOPS
STL
St Louis
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27 Apr - 01 May $ 1,463.00
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

5:24 PM - 10:40 PM
United Airlines
1 Stops
10h 51m
STL - SNN
$ 436
Kiwi
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11:37 AM - 10:40 PM
United Airlines
1 Stops
16h 38m
STL - SNN
$ 436
Kiwi
Pick dates
5:24 PM - 10:40 PM
United Airlines
1 Stops
10h 51m
STL - SNN
$ 1,375
Kiwi
Pick dates

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.