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

Wednesday, September 2nd, 2026

3 round-trip options

Returning
Thu, Sep 10, 20268 Day Trip
$609 USD
Returning
Fri, Sep 11, 20269 Day Trip
$622 USD
Returning
Mon, Sep 14, 202612 Day Trip
$605 USD