Barcelona (BCN) to Boston (BOS) flight deal in economy from $429
$850 USD
-50%$429 USD
Verified 2 days agoOctober 2026
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Extremely Rare Availability
1% of dates checked are available within 10% of the lowest price
Thursday, October 29th, 2026
4 round-trip options
Returning
Tue, Nov 3, 2026•5 Day Trip
$1,356 USD
Returning
Thu, Nov 5, 2026•7 Day Trip
$1,356 USD
Returning
Tue, Nov 10, 2026•12 Day Trip
$1,356 USD
Returning
Thu, Nov 12, 2026•14 Day Trip
$1,356 USD