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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 July , August 2026

30 Jul - 02 Aug $ 1,390.00
STL
St Louis
United Airlines
1 STOPS
SNN
Shannon
SNN
Shannon
United Airlines
1 STOPS
STL
St Louis
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31 Jul - 09 Aug $ 3,141.00
STL
St Louis
Air Canada
2 STOPS
SNN
Shannon
SNN
Shannon
Air Canada
2 STOPS
STL
St Louis
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30 Jul - 09 Aug $ 3,865.00
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

29 Jul - 01 Aug $ 2,395.00
STL
St Louis
Frontier Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
Frontier Airlines
3 STOPS
STL
St Louis
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27 Jul - 31 Jul $ 2,615.00
STL
St Louis
Air Canada
2 STOPS
SNN
Shannon
SNN
Shannon
Air Canada
2 STOPS
STL
St Louis
Pick dates
30 Jul - 01 Aug $ 3,432.00
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

3:22 PM - 6:05 PM
United Airlines
1 Stops
10h 8m
STL - SNN
$ 595
Kiwi
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11:25 AM - 6:05 PM
United Airlines
1 Stops
14h 5m
STL - SNN
$ 595
Kiwi
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4:53 PM - 10:50 PM
United Airlines
1 Stops
11h 22m
STL - SNN
$ 1,075
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.