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Cheap flights from San Diego (SAN) to Shannon (SNN)

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0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from San Diego (SAN) to Shannon (SNN)

How to find the cheapest flight from San Diego (SAN) to Shannon (SNN)
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How to find the cheapest flight from San Diego (SAN) to Shannon (SNN)
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How to find the cheapest flight from San Diego (SAN) to Shannon (SNN)
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Cheap flights from San Diego to Shannon in December 2025 , January 2026

31 Dec - 26 Jan $ 1,286.00
SAN
San Diego
WestJet
2 STOPS
SNN
Shannon
SNN
Shannon
WestJet
2 STOPS
SAN
San Diego
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31 Dec - 15 Jan $ 1,309.00
SAN
San Diego
Frontier Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
Frontier Airlines
3 STOPS
SAN
San Diego
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31 Dec - 28 Jan $ 1,379.00
SAN
San Diego
Lufthansa
2 STOPS
SNN
Shannon
SNN
Shannon
Lufthansa
2 STOPS
SAN
San Diego
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Last minute flights from San Diego to Shannon

29 Dec - 01 Jan $ 2,058.00
SAN
San Diego
Hawaiian Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
Hawaiian Airlines
1 STOPS
SAN
San Diego
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29 Dec - 01 Jan $ 2,101.00
SAN
San Diego
Hawaiian Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
Hawaiian Airlines
1 STOPS
SAN
San Diego
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29 Dec - 01 Jan $ 2,124.00
SAN
San Diego
Hawaiian Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
Hawaiian Airlines
1 STOPS
SAN
San Diego
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One-way flights to Shannon from San Diego

10:00 AM - 11:40 AM
Aer Lingus
2 Stops
18h 35m
SAN - SNN
$ 781
Kiwi
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10:30 PM - 10:00 AM
Aer Lingus
2 Stops
29h
SAN - SNN
$ 1,341
Kiwi
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10:30 PM - 10:00 AM
Aer Lingus
2 Stops
29h
SAN - SNN
$ 1,377
Kiwi
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How to find the cheapest flight from San Diego (SAN) to Shannon (SNN)

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