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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 August , September 2026

20 Aug - 01 Sep $ 698.00
BOS
Boston
United Airlines
1 STOPS
SNN
Shannon
SNN
Shannon
United Airlines
1 STOPS
BOS
Boston
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27 Aug - 02 Sep $ 1,444.00
BOS
Boston
Aer Lingus
1 STOPS
SNN
Shannon
SNN
Shannon
Aer Lingus
DIRECT
BOS
Boston
Pick dates
29 Aug - 04 Sep $ 1,616.00
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

25 Aug - 31 Aug $ 698.00
BOS
Boston
United Airlines
1 STOPS
SNN
Shannon
SNN
Shannon
United Airlines
1 STOPS
BOS
Boston
Pick dates
21 Aug - 31 Aug $ 703.00
BOS
Boston
United Airlines
1 STOPS
SNN
Shannon
SNN
Shannon
United Airlines
1 STOPS
BOS
Boston
Pick dates
24 Aug - 31 Aug $ 3,296.00
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

8:30 PM - 10:50 PM
United Airlines
1 Stops
8h 45m
BOS - SNN
$ 459
Kiwi
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7:00 PM - 10:50 PM
United Airlines
1 Stops
10h 15m
BOS - SNN
$ 459
Kiwi
Pick dates
6:30 PM - 6:30 PM
Aer Lingus
0 Stops
5h 55m
BOS - SNN
$ 708
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.