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
Wednesday, August 12th, 2026
4 round-trip options
Returning
Mon, Aug 17, 2026•5 Day Trip
$712 USD
Returning
Tue, Aug 18, 2026•6 Day Trip
$712 USD
Returning
Mon, Aug 24, 2026•12 Day Trip
$712 USD
Returning
Wed, Aug 26, 2026•14 Day Trip
$656 USD