Madrid (MAD) to Boston (BOS) flight deal in economy from $520
$725 USD
-28%$520 USD
Verified 1 day agoOctober 2026
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Rare Availability
8% of dates checked are available within 10% of the lowest price
Sunday, October 4th, 2026
3 round-trip options
Returning
Mon, Oct 12, 2026•8 Day Trip
$626 USD
Returning
Tue, Oct 13, 2026•9 Day Trip
$616 USD
Returning
Fri, Oct 16, 2026•12 Day Trip
$625 USD