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

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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

Wednesday, January 6th, 2027

Outbound Flights

12h 41m·2 stops

$654 USD

PHLJan 6 13:49

→

BOSJan 6 15:15

AA 4375Embraer 175

1h 45m layover

BOSJan 6 17:00

→

MADJan 7 06:00

IB 348Airbus A321neo

1h 25m layover

MADJan 7 07:25

→

BIOJan 7 08:30

IB 429Airbus A320

17h·1 stop

$877 USD

PHLJan 6 19:50

→

MADJan 7 08:55

AA 740Boeing 787

8h 50m layover

MADJan 7 17:45

→

BIOJan 7 18:50

IB 1167Canadair Reg. Jet

15h 5m·1 stop

$1,276 USD

PHLJan 6 19:50

→

MADJan 7 08:55

AA 740Boeing 787

6h 55m layover

MADJan 7 15:50

→

BIOJan 7 16:55

IB 435Airbus A319

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