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

Friday, September 25th, 2026

3 round-trip options

Returning
Sat, Oct 3, 20268 Day Trip
$614 USD
Returning
Sun, Oct 4, 20269 Day Trip
$625 USD
Returning
Wed, Oct 7, 202612 Day Trip
$614 USD