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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 October , November 2026

18 Oct - 12 Nov $ 951.00
BOS
Boston
Air Canada
1 STOPS
SNN
Shannon
SNN
Shannon
Air Canada
2 STOPS
BOS
Boston
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22 Oct - 16 Nov $ 1,098.00
BOS
Boston
Aer Lingus
DIRECT
SNN
Shannon
SNN
Shannon
Aer Lingus
DIRECT
BOS
Boston
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24 Oct - 09 Nov $ 1,535.00
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

23 Oct - 01 Nov $ 957.00
BOS
Boston
Air Canada
1 STOPS
SNN
Shannon
SNN
Shannon
Air Canada
2 STOPS
BOS
Boston
Pick dates
23 Oct - 01 Nov $ 957.00
BOS
Boston
Air Canada
1 STOPS
SNN
Shannon
SNN
Shannon
Air Canada
2 STOPS
BOS
Boston
Pick dates
24 Oct - 31 Oct $ 1,254.00
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

3:48 PM - 10:50 PM
United Airlines
1 Stops
13h 27m
BOS - SNN
$ 441
Kiwi
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8:25 PM - 10:50 PM
United Airlines
1 Stops
8h 50m
BOS - SNN
$ 447
Kiwi
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6:30 PM - 6:30 PM
Aer Lingus
0 Stops
5h 55m
BOS - SNN
$ 527
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.