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

Wednesday, October 14th, 2026

3 round-trip options

Returning
Thu, Oct 22, 20268 Day Trip
$605 USD
Returning
Fri, Oct 23, 20269 Day Trip
$622 USD
Returning
Mon, Oct 26, 202612 Day Trip
$599 USD