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Cheap flights from Boston (BOS) to Madrid (MAD)

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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 Madrid (MAD)

How to find the cheapest flight from Boston (BOS) to Madrid (MAD)
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How to find the cheapest flight from Boston (BOS) to Madrid (MAD)
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How to find the cheapest flight from Boston (BOS) to Madrid (MAD)
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Cheap flights from Boston to Madrid in July , August 2026

29 Jul - 21 Aug $ 712.00
BOS
Boston
KLM Royal Dutch Airlines
DIRECT
MAD
Madrid
MAD
Madrid
KLM Royal Dutch Airlines
DIRECT
BOS
Boston
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26 Jul - 11 Aug $ 1,013.00
BOS
Boston
Aer Lingus
DIRECT
MAD
Madrid
MAD
Madrid
Aer Lingus
DIRECT
BOS
Boston
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26 Jul - 13 Aug $ 1,041.00
BOS
Boston
Swiss International Air Lines
1 STOPS
MAD
Madrid
MAD
Madrid
Swiss International Air Lines
1 STOPS
BOS
Boston
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Last minute flights from Boston to Madrid

29 Jul - 31 Jul $ 1,176.00
BOS
Boston
TAP Portugal
1 STOPS
MAD
Madrid
MAD
Madrid
TAP Portugal
1 STOPS
BOS
Boston
Pick dates
29 Jul - 31 Jul $ 1,181.00
BOS
Boston
KLM Royal Dutch Airlines
DIRECT
MAD
Madrid
MAD
Madrid
KLM Royal Dutch Airlines
DIRECT
BOS
Boston
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29 Jul - 31 Jul $ 1,216.00
BOS
Boston
Air France
DIRECT
MAD
Madrid
MAD
Madrid
Air France
DIRECT
BOS
Boston
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One-way flights to Madrid from Boston

10:40 PM - 10:00 PM
TAP Portugal
1 Stops
19h 40m
BOS - MAD
$ 371
Kiwi
Pick dates
5:20 PM - 5:20 PM
KLM Royal Dutch Airlines
0 Stops
7h
BOS - MAD
$ 415
Kiwi
Pick dates
5:20 PM - 5:20 PM
KLM Royal Dutch Airlines
0 Stops
7h
BOS - MAD
$ 415
Kiwi
Pick dates

How to find the cheapest flight from Boston (BOS) to Madrid (MAD)

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