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

Sunday, October 25th, 2026

3 round-trip options

Returning
Mon, Nov 2, 20268 Day Trip
$622 USD
Returning
Tue, Nov 3, 20269 Day Trip
$622 USD
Returning
Fri, Nov 6, 202612 Day Trip
$638 USD