Madrid (MAD) to Boston (BOS) flight deal in economy from $569
$688 USD
-17%$569 USD
Verified about 8 hours agoDecember 2026
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Good Availability
43% of dates checked are available within 10% of the lowest price
Tuesday, December 22nd, 2026
10 round-trip options
Returning
Sun, Dec 27, 2026•5 Day Trip
$715 USD
Returning
Mon, Dec 28, 2026•6 Day Trip
$842 USD
Returning
Tue, Dec 29, 2026•7 Day Trip
$748 USD
Returning
Wed, Dec 30, 2026•8 Day Trip
$842 USD
Returning
Thu, Dec 31, 2026•9 Day Trip
$748 USD
Returning
Fri, Jan 1, 2027•10 Day Trip
$766 USD
Returning
Sat, Jan 2, 2027•11 Day Trip
$860 USD
Returning
Sun, Jan 3, 2027•12 Day Trip
$719 USD
Returning
Mon, Jan 4, 2027•13 Day Trip
$842 USD
Returning
Tue, Jan 5, 2027•14 Day Trip
$702 USD