Madrid (MAD) to Boston (BOS) flight deal in economy from $520
$725 USD
-28%$520 USD
Verified 1 day agoDecember 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Rare Availability
8% of dates checked are available within 10% of the lowest price
Saturday, December 12th, 2026
2 round-trip options
Returning
Thu, Dec 17, 2026•5 Day Trip
$687 USD
Returning
Sun, Dec 20, 2026•8 Day Trip
$794 USD



