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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 September , October 2026

28 Sep - 13 Oct $ 910.00
STL
St Louis
United Airlines
1 STOPS
SNN
Shannon
SNN
Shannon
United Airlines
1 STOPS
STL
St Louis
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28 Sep - 13 Oct $ 912.00
STL
St Louis
United Airlines
1 STOPS
SNN
Shannon
SNN
Shannon
United Airlines
2 STOPS
STL
St Louis
Pick dates
28 Sep - 13 Oct $ 912.00
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

28 Sep - 01 Oct $ 1,588.00
STL
St Louis
Air Canada
2 STOPS
SNN
Shannon
SNN
Shannon
Air Canada
2 STOPS
STL
St Louis
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28 Sep - 01 Oct $ 1,591.00
STL
St Louis
Air Canada
2 STOPS
SNN
Shannon
SNN
Shannon
Air Canada
3 STOPS
STL
St Louis
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28 Sep - 01 Oct $ 1,594.00
STL
St Louis
Air Canada
2 STOPS
SNN
Shannon
SNN
Shannon
Air Canada
2 STOPS
STL
St Louis
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One-way flights to Shannon from St Louis

12:10 PM - 2:40 PM
Aer Lingus
2 Stops
22h
STL - SNN
$ 593
Kiwi
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2:40 PM - 9:50 AM
Aer Lingus
2 Stops
14h 40m
STL - SNN
$ 598
Kiwi
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2:40 PM - 2:40 PM
Air Canada
2 Stops
19h 30m
STL - SNN
$ 603
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.