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

Saturday, October 24th, 2026

3 round-trip options

Returning
Sun, Nov 1, 20268 Day Trip
$649 USD
Returning
Mon, Nov 2, 20269 Day Trip
$622 USD
Returning
Thu, Nov 5, 202612 Day Trip
$622 USD