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
Tuesday, August 11th, 2026
4 round-trip options
Returning
Sun, Aug 16, 2026•5 Day Trip
$729 USD
Returning
Mon, Aug 17, 2026•6 Day Trip
$712 USD
Returning
Sun, Aug 23, 2026•12 Day Trip
$729 USD
Returning
Tue, Aug 25, 2026•14 Day Trip
$674 USD