Barcelona (BCN) to Boston (BOS) flight deal in economy from $429
$850 USD
-50%$429 USD
Verified 2 days agoJune 2026
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Extremely Rare Availability
1% of dates checked are available within 10% of the lowest price
Monday, June 29th, 2026
2 round-trip options
Returning
Sun, Jul 5, 2026•6 Day Trip
$612 USD
Returning
Sun, Jul 12, 2026•13 Day Trip
$531 USD
