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 15 days ago

July 2026

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293012345$8176$3,3417$9468$1,1149$1,17010$76911$76912$70913$70914$70915$70916$76917$76918$76919$70920$70921$70522$70923$76524$76925$76926$70927$65028$65429$65430$70431$7081$7042$654

Fair Availability

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

Tuesday, July 28th, 2026

Outbound Flights

14h 23m·2 stops

$654 USD

PHLJul 28 12:07

→

CLTJul 28 14:00

AA 1311Airbus A320

1h 30m layover

CLTJul 28 15:30

→

MADJul 29 05:30

AA 748Boeing 777

1h 55m layover

MADJul 29 07:25

→

BIOJul 29 08:30

IB 429Airbus A320

13h 15m·2 stops

$654 USD

PHLJul 28 17:30

→

BOSJul 28 18:57

AA 1776Airbus A319

2h 23m layover

BOSJul 28 21:20

→

MADJul 29 10:30

IB 346Airbus A321neo

1h 10m layover

MADJul 29 11:40

→

BIOJul 29 12:45

IB 1099Canadair Reg. Jet

10h 30m·1 stop

$1,276 USD

PHLJul 28 20:15

→

MADJul 29 09:35

AA 740Boeing 787

2h 5m layover

MADJul 29 11:40

→

BIOJul 29 12:45

IB 1099Canadair Reg. Jet

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