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

Saturday, September 5th, 2026

3 round-trip options

Returning
Sun, Sep 13, 20268 Day Trip
$633 USD
Returning
Mon, Sep 14, 20269 Day Trip
$616 USD
Returning
Thu, Sep 17, 202612 Day Trip
$616 USD