Barcelona (BCN) to Boston (BOS) flight deal in economy from $429
$850 USD
-50%$429 USD
Verified 2 days agoDecember 2026
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Extremely Rare Availability
1% of dates checked are available within 10% of the lowest price
Saturday, December 5th, 2026
1 round-trip options
Returning
Sat, Dec 12, 2026•7 Day Trip
$1,240 USD
