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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)
Save up to 31%
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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 July , August 2026

27 Jul - 01 Aug $ 733.00
BOS
Boston
United Airlines
1 STOPS
SNN
Shannon
SNN
Shannon
United Airlines
1 STOPS
BOS
Boston
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27 Jul - 11 Aug $ 734.00
BOS
Boston
United Airlines
1 STOPS
SNN
Shannon
SNN
Shannon
United Airlines
1 STOPS
BOS
Boston
Pick dates
27 Jul - 06 Aug $ 1,579.00
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

27 Jul - 31 Jul $ 732.00
BOS
Boston
United Airlines
1 STOPS
SNN
Shannon
SNN
Shannon
United Airlines
1 STOPS
BOS
Boston
Pick dates
27 Jul - 31 Jul $ 742.00
BOS
Boston
United Airlines
1 STOPS
SNN
Shannon
SNN
Shannon
United Airlines
1 STOPS
BOS
Boston
Pick dates
27 Jul - 31 Jul $ 1,808.00
BOS
Boston
Aer Lingus
DIRECT
SNN
Shannon
SNN
Shannon
Aer Lingus
1 STOPS
BOS
Boston
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One-way flights to Shannon from Boston

10:35 AM - 6:05 PM
United Airlines
1 Stops
15h 55m
BOS - SNN
$ 524
Kiwi
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6:30 PM - 6:30 PM
Aer Lingus
0 Stops
5h 55m
BOS - SNN
$ 539
Kiwi
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6:30 PM - 6:30 PM
Iberia Airlines
0 Stops
5h 55m
BOS - SNN
$ 663
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.