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

Wednesday, September 16th, 2026

3 round-trip options

Returning
Thu, Sep 24, 20268 Day Trip
$599 USD
Returning
Fri, Sep 25, 20269 Day Trip
$616 USD
Returning
Mon, Sep 28, 202612 Day Trip
$599 USD