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Philadelphia (PHL) to Bilbao (BIO) flight deal in economy from $351
AA
American Airlines
One Way
•
Economy
PHL
Philadelphia International Airport
Philadelphia, United States
BIO
Bilbao Airport
Bilbao, Spain
$652 USD
-46%
$351
USD
Verified 14 days ago
October 2026
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$351
Fair Availability
22% of dates checked are available within 10% of the lowest price
Saturday, October 31st, 2026
No flight details available for this date.
