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Cheap flights from Boston (BOS) 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 Boston (BOS) to Shannon (SNN)

How to find the cheapest flight from Boston (BOS) to Shannon (SNN)
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How to find the cheapest flight from Boston (BOS) to Shannon (SNN)
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How to find the cheapest flight from Boston (BOS) to Shannon (SNN)
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Cheap flights from Boston to Shannon in April , May 2026

27 Apr - 06 May $ 632.00
BOS
Boston
Aer Lingus
DIRECT
SNN
Shannon
SNN
Shannon
Aer Lingus
DIRECT
BOS
Boston
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13 Apr - 07 May $ 1,407.00
BOS
Boston
Aer Lingus
DIRECT
SNN
Shannon
SNN
Shannon
Aer Lingus
DIRECT
BOS
Boston
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13 Apr - 06 May $ 1,407.00
BOS
Boston
Aer Lingus
DIRECT
SNN
Shannon
SNN
Shannon
Aer Lingus
DIRECT
BOS
Boston
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Last minute flights from Boston to Shannon

26 Apr - 30 Apr $ 638.00
BOS
Boston
United Airlines
1 STOPS
SNN
Shannon
SNN
Shannon
United Airlines
1 STOPS
BOS
Boston
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13 Apr - 30 Apr $ 1,620.00
BOS
Boston
Aer Lingus
DIRECT
SNN
Shannon
SNN
Shannon
Aer Lingus
DIRECT
BOS
Boston
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09 Apr - 30 Apr $ 1,760.00
BOS
Boston
Aer Lingus
DIRECT
SNN
Shannon
SNN
Shannon
Aer Lingus
DIRECT
BOS
Boston
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One-way flights to Shannon from Boston

6:30 PM - 6:30 PM
Aer Lingus
0 Stops
5h 55m
BOS - SNN
$ 379
Kiwi
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5:25 PM - 10:40 PM
United Airlines
1 Stops
11h 50m
BOS - SNN
$ 409
Kiwi
Pick dates
6:30 PM - 6:30 PM
Aer Lingus
0 Stops
5h 55m
BOS - SNN
$ 724
Kiwi
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How to find the cheapest flight from Boston (BOS) to Shannon (SNN)

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