Boston (BOS) to Barcelona (BCN) flight deal in economy from $257
$435 USD
-41%$257 USD
Verified about 11 hours agoAugust 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Rare Availability
5% of dates checked are available within 10% of the lowest price
Sunday, August 23rd, 2026
Outbound Flights
·
→
·
→
·
→