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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 September , October 2026

29 Sep - 10 Oct $ 708.00
BOS
Boston
United Airlines
1 STOPS
SNN
Shannon
SNN
Shannon
United Airlines
1 STOPS
BOS
Boston
Pick dates
30 Sep - 10 Oct $ 1,539.00
BOS
Boston
Aer Lingus
DIRECT
SNN
Shannon
SNN
Shannon
Aer Lingus
DIRECT
BOS
Boston
Pick dates
30 Sep - 06 Oct $ 1,539.00
BOS
Boston
Aer Lingus
DIRECT
SNN
Shannon
SNN
Shannon
Aer Lingus
DIRECT
BOS
Boston
Pick dates

Last minute flights from Boston to Shannon

27 Sep - 30 Sep $ 1,029.00
BOS
Boston
United Airlines
1 STOPS
SNN
Shannon
SNN
Shannon
United Airlines
1 STOPS
BOS
Boston
Pick dates
27 Sep - 30 Sep $ 1,034.00
BOS
Boston
United Airlines
1 STOPS
SNN
Shannon
SNN
Shannon
United Airlines
1 STOPS
BOS
Boston
Pick dates
28 Sep - 30 Sep $ 1,777.00
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

8:25 PM - 10:50 PM
United Airlines
1 Stops
8h 50m
BOS - SNN
$ 444
Kiwi
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8:25 PM - 10:50 PM
United Airlines
1 Stops
8h 50m
BOS - SNN
$ 444
Kiwi
Pick dates
6:30 PM - 6:30 PM
Aer Lingus
0 Stops
5h 55m
BOS - SNN
$ 512
Kiwi
Pick dates

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.