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

Monday, August 3rd, 2026

4 round-trip options

Returning
Sat, Aug 8, 20265 Day Trip
$1,494 USD
Returning
Sun, Aug 9, 20266 Day Trip
$1,226 USD
Returning
Sat, Aug 15, 202612 Day Trip
$1,636 USD
Returning
Mon, Aug 17, 202614 Day Trip
$1,619 USD