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One Way•Economy
United StatesBOS

Logan International Airport

Boston, United States
SpainBIO

Bilbao Airport

Bilbao, Spain
$486 USD
-39%$295 USD
Verified Nov 28, 2025 at 10:50 PM
Limited Availability
15% of dates checked are available within 10% of the lowest price

Tuesday, December 30th, 2025

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