Madrid (MAD) to Boston (BOS) flight deal in economy from $520
$725 USD
-28%$520 USD
Verified 1 day agoJuly 2026
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Rare Availability
8% of dates checked are available within 10% of the lowest price
Friday, July 31st, 2026
4 round-trip options
Returning
Wed, Aug 5, 2026•5 Day Trip
$1,499 USD
Returning
Thu, Aug 6, 2026•6 Day Trip
$1,488 USD
Returning
Wed, Aug 12, 2026•12 Day Trip
$1,488 USD
Returning
Fri, Aug 14, 2026•14 Day Trip
$1,648 USD