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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 October , November 2026

19 Oct - 25 Nov $ 1,108.00
ONT
Ontario
Alaska Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
Alaska Airlines
2 STOPS
ONT
Ontario
Pick dates
19 Oct - 25 Nov $ 1,125.00
ONT
Ontario
Alaska Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
Alaska Airlines
2 STOPS
ONT
Ontario
Pick dates
17 Oct - 25 Nov $ 1,152.00
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

19 Oct - 01 Nov $ 1,233.00
ONT
Ontario
Alaska Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
Alaska Airlines
2 STOPS
ONT
Ontario
Pick dates
19 Oct - 01 Nov $ 1,249.00
ONT
Ontario
Alaska Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
Alaska Airlines
2 STOPS
ONT
Ontario
Pick dates
17 Oct - 01 Nov $ 1,276.00
ONT
Ontario
Alaska Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
Alaska Airlines
2 STOPS
ONT
Ontario
Pick dates

One-way flights to Shannon from Ontario

7:00 AM - 10:50 PM
United Airlines
2 Stops
19h 15m
ONT - SNN
$ 468
Kiwi
Pick dates
8:03 AM - 10:50 PM
United Airlines
2 Stops
18h 12m
ONT - SNN
$ 471
Kiwi
Pick dates
8:03 AM - 10:50 PM
United Airlines
2 Stops
18h 12m
ONT - SNN
$ 472
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.