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

Tuesday, October 20th, 2026

3 round-trip options

Returning
Wed, Oct 28, 20268 Day Trip
$605 USD
Returning
Thu, Oct 29, 20269 Day Trip
$605 USD
Returning
Sun, Nov 1, 202612 Day Trip
$624 USD