Madrid (MAD) to Boston (BOS) flight deal in economy from $520

Wednesday, August 26th, 2026

4 round-trip options

Returning
Mon, Aug 31, 20265 Day Trip
$605 USD
Returning
Tue, Sep 1, 20266 Day Trip
$605 USD
Returning
Mon, Sep 7, 202612 Day Trip
$605 USD
Returning
Wed, Sep 9, 202614 Day Trip
$609 USD