Madrid (MAD) to Boston (BOS) flight deal in economy from $520
$725 USD
-28%$520 USD
Verified 1 day agoAugust 2026
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Rare Availability
8% of dates checked are available within 10% of the lowest price
Saturday, August 15th, 2026
4 round-trip options
Returning
Thu, Aug 20, 2026•5 Day Trip
$1,356 USD
Returning
Fri, Aug 21, 2026•6 Day Trip
$1,413 USD
Returning
Thu, Aug 27, 2026•12 Day Trip
$1,309 USD
Returning
Sat, Aug 29, 2026•14 Day Trip
$1,146 USD