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

Thursday, October 29th, 2026

3 round-trip options

Returning
Fri, Nov 6, 20268 Day Trip
$622 USD
Returning
Sat, Nov 7, 20269 Day Trip
$622 USD
Returning
Tue, Nov 10, 202612 Day Trip
$605 USD