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Cheap flights from Ontario (ONT) to Shannon (SNN)

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How to find the cheapest flight from Ontario (ONT) to Shannon (SNN)

How to find the cheapest flight from Ontario (ONT) to Shannon (SNN)
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How to find the cheapest flight from Ontario (ONT) to Shannon (SNN)
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How to find the cheapest flight from Ontario (ONT) to Shannon (SNN)
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Cheap flights from Ontario to Shannon in June , July 2026

28 Jun - 09 Jul $ 1,594.00
ONT
Ontario
Alaska Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
Alaska Airlines
2 STOPS
ONT
Ontario
Pick dates
28 Jun - 10 Jul $ 1,604.00
ONT
Ontario
Alaska Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
Alaska Airlines
2 STOPS
ONT
Ontario
Pick dates
29 Jun - 08 Jul $ 1,870.00
ONT
Ontario
Alaska Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
Alaska Airlines
2 STOPS
ONT
Ontario
Pick dates

Last minute flights from Ontario to Shannon

28 Jun - 02 Jul $ 2,060.00
ONT
Ontario
Volaris
2 STOPS
SNN
Shannon
SNN
Shannon
Volaris
3 STOPS
ONT
Ontario
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28 Jun - 02 Jul $ 2,078.00
ONT
Ontario
Frontier Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
Frontier Airlines
3 STOPS
ONT
Ontario
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28 Jun - 01 Jul $ 2,248.00
ONT
Ontario
KLM Royal Dutch Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
KLM Royal Dutch Airlines
2 STOPS
ONT
Ontario
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One-way flights to Shannon from Ontario

6:10 AM - 6:05 PM
United Airlines
1 Stops
17h 20m
ONT - SNN
$ 914
Kiwi
Pick dates
6:10 AM - 6:05 PM
United Airlines
1 Stops
17h 20m
ONT - SNN
$ 915
Kiwi
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1:50 PM - 6:05 PM
United Airlines
2 Stops
33h 40m
ONT - SNN
$ 920
Kiwi
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How to find the cheapest flight from Ontario (ONT) to Shannon (SNN)

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