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Cheap flights from Boston (BOS) to Barcelona (BCN)

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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 Barcelona (BCN)

How to find the cheapest flight from Boston (BOS) to Barcelona (BCN)
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How to find the cheapest flight from Boston (BOS) to Barcelona (BCN)
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How to find the cheapest flight from Boston (BOS) to Barcelona (BCN)
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Cheap flights from Boston to Barcelona in August , September 2026

19 Aug - 23 Sep $ 576.00
BOS
Boston
Level
DIRECT
BCN
Barcelona
BCN
Barcelona
Level
DIRECT
BOS
Boston
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19 Aug - 10 Sep $ 716.00
BOS
Boston
TAP Portugal
DIRECT
BCN
Barcelona
BCN
Barcelona
TAP Portugal
1 STOPS
BOS
Boston
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19 Aug - 02 Sep $ 1,378.00
BOS
Boston
KLM Royal Dutch Airlines
DIRECT
BCN
Barcelona
BCN
Barcelona
KLM Royal Dutch Airlines
DIRECT
BOS
Boston
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Last minute flights from Boston to Barcelona

27 Aug - 31 Aug $ 788.00
BOS
Boston
KLM Royal Dutch Airlines
DIRECT
BCN
Barcelona
BCN
Barcelona
KLM Royal Dutch Airlines
DIRECT
BOS
Boston
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20 Aug - 31 Aug $ 1,009.00
BOS
Boston
JetBlue Airways
DIRECT
BCN
Barcelona
BCN
Barcelona
JetBlue Airways
DIRECT
BOS
Boston
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19 Aug - 31 Aug $ 1,378.00
BOS
Boston
KLM Royal Dutch Airlines
DIRECT
BCN
Barcelona
BCN
Barcelona
KLM Royal Dutch Airlines
DIRECT
BOS
Boston
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One-way flights to Barcelona from Boston

11:35 PM - 11:35 PM
Level
0 Stops
7h 5m
BOS - BCN
$ 274
Kiwi
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11:35 PM - 11:35 PM
Level
0 Stops
7h 5m
BOS - BCN
$ 274
Kiwi
Pick dates
10:55 PM - 10:55 PM
Level
0 Stops
7h 5m
BOS - BCN
$ 274
Kiwi
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How to find the cheapest flight from Boston (BOS) to Barcelona (BCN)

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