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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 August , September 2026

31 Aug - 15 Sep $ 1,435.00
STL
St Louis
Air Canada
2 STOPS
SNN
Shannon
SNN
Shannon
Air Canada
2 STOPS
STL
St Louis
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26 Aug - 09 Sep $ 1,449.00
STL
St Louis
Air Canada
2 STOPS
SNN
Shannon
SNN
Shannon
Air Canada
2 STOPS
STL
St Louis
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26 Aug - 16 Sep $ 1,449.00
STL
St Louis
Air Canada
2 STOPS
SNN
Shannon
SNN
Shannon
Air Canada
2 STOPS
STL
St Louis
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Last minute flights from St Louis to Shannon

24 Aug - 31 Aug $ 1,691.00
STL
St Louis
Air Canada
2 STOPS
SNN
Shannon
SNN
Shannon
Air Canada
2 STOPS
STL
St Louis
Pick dates
24 Aug - 31 Aug $ 1,691.00
STL
St Louis
Air Canada
2 STOPS
SNN
Shannon
SNN
Shannon
Air Canada
2 STOPS
STL
St Louis
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26 Aug - 01 Sep $ 1,754.00
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

12:27 PM - 10:50 PM
United Airlines
1 Stops
15h 48m
STL - SNN
$ 551
Kiwi
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8:50 AM - 6:05 PM
United Airlines
1 Stops
16h 40m
STL - SNN
$ 551
Kiwi
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3:32 PM - 6:05 PM
United Airlines
1 Stops
9h 58m
STL - SNN
$ 601
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.