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One Way•Economy
SpainBIO

Bilbao Airport

Bilbao, Spain
United StatesBOS

Logan International Airport

Boston, United States
$416 USD
-44%$233 USD
Verified Sep 21, 2025 at 1:57 PM
Fair Availability
27% of dates checked are available within 10% of the lowest price

Monday, September 29th, 2025

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