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

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0 Children (2~11)
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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 July , August 2026

30 Jul - 03 Aug $ 1,103.00
ONT
Ontario
United Airlines
1 STOPS
SNN
Shannon
SNN
Shannon
United Airlines
1 STOPS
ONT
Ontario
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28 Jul - 07 Aug $ 3,311.00
ONT
Ontario
JetBlue Airways
1 STOPS
SNN
Shannon
SNN
Shannon
JetBlue Airways
1 STOPS
ONT
Ontario
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26 Jul - 01 Aug $ 4,350.00
ONT
Ontario
JetBlue Airways
1 STOPS
SNN
Shannon
SNN
Shannon
JetBlue Airways
1 STOPS
ONT
Ontario
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Last minute flights from Ontario to Shannon

27 Jul - 31 Jul $ 1,984.00
ONT
Ontario
Alaska Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
Alaska Airlines
2 STOPS
ONT
Ontario
Pick dates
26 Jul - 31 Jul $ 3,412.00
ONT
Ontario
JetBlue Airways
1 STOPS
SNN
Shannon
SNN
Shannon
JetBlue Airways
1 STOPS
ONT
Ontario
Pick dates
27 Jul - 31 Jul $ 3,412.00
ONT
Ontario
JetBlue Airways
1 STOPS
SNN
Shannon
SNN
Shannon
JetBlue Airways
1 STOPS
ONT
Ontario
Pick dates

One-way flights to Shannon from Ontario

6:10 AM - 6:05 PM
United Airlines
1 Stops
17h 20m
ONT - SNN
$ 631
Kiwi
Pick dates
6:10 AM - 10:50 PM
United Airlines
2 Stops
20h 5m
ONT - SNN
$ 631
Kiwi
Pick dates
6:10 AM - 6:05 PM
United Airlines
1 Stops
17h 20m
ONT - SNN
$ 721
Kiwi
Pick dates

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.