Philadelphia (PHL) to Bilbao (BIO) flight deal in economy from $351

AAAmerican 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

January 2027

Today

Mon

Tue

Wed

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Sun

28$35529$65430$65031$4011$9942$7043$6504$3555$6546$6547$7008$7229$40510$65011$35112$65013$35514$70015$72216$40517$65018$35119$65020$35521$70022$72223$40524$65025$35126$65027$35528$70029$93730$40531$650

Fair Availability

22% of dates checked are available within 10% of the lowest price

Tuesday, January 5th, 2027

Outbound Flights

14h 10m·2 stops

$654 USD

PHLJan 5 16:40

→

BOSJan 5 18:06

AA 3290Airbus A320

3h 24m layover

BOSJan 5 21:30

→

MADJan 6 10:30

IB 346Airbus A321neo

1h 15m layover

MADJan 6 11:45

→

BIOJan 6 12:50

IB 433Airbus A320

11h·1 stop

$761 USD

PHLJan 5 19:50

→

MADJan 6 08:55

AA 740Boeing 787

2h 50m layover

MADJan 6 11:45

→

BIOJan 6 12:50

IB 433Airbus A320

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