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

Friday, August 28th, 2026

4 round-trip options

Returning
Wed, Sep 2, 20265 Day Trip
$622 USD
Returning
Thu, Sep 3, 20266 Day Trip
$655 USD
Returning
Wed, Sep 9, 202612 Day Trip
$632 USD
Returning
Fri, Sep 11, 202614 Day Trip
$639 USD