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 29th, 2026
4 round-trip options
Returning
Thu, Sep 3, 2026•5 Day Trip
$655 USD
Returning
Fri, Sep 4, 2026•6 Day Trip
$656 USD
Returning
Thu, Sep 10, 2026•12 Day Trip
$632 USD
Returning
Sat, Sep 12, 2026•14 Day Trip
$639 USD