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

American AirlinesAAAmerican Airlines
One Way•Economy
United StatesPHL

Philadelphia International Airport

Philadelphia, United States
SpainBIO

Bilbao Airport

Bilbao, Spain
$652 USD
-46%$351 USD
Verified 15 days ago
Fair Availability
22% of dates checked are available within 10% of the lowest price

Friday, July 31st, 2026

Outbound Flights

21h 2m·2 stops
$708 USD
American Airlines
PHLJul 31 13:53
→
YYZJul 31 15:43
AA 5884Embraer ERJ-145
1h 27m layover
Iberia Airlines
YYZJul 31 17:10
→
MADAug 1 06:50
IB 368Airbus A321neo
8h 55m layover
Iberia Airlines
MADAug 1 15:45
→
BIOAug 1 16:55
IB 435Airbus A319
30h 15m·1 stop
$709 USD
American Airlines
PHLJul 31 20:15
→
MADAug 1 09:35
AA 740Boeing 787
21h 50m layover·Overnight
Iberia Airlines
MADAug 2 07:25
→
BIOAug 2 08:30
IB 429Airbus A320
17h 25m·2 stops
$815 USD
American Airlines
PHLJul 31 17:30
→
BOSJul 31 18:57
AA 1776Airbus A319
1h 48m layover
Iberia Airlines
BOSJul 31 20:45
→
MADAug 1 09:55
IB 346Airbus A330
5h 50m layover
Iberia Airlines
MADAug 1 15:45
→
BIOAug 1 16:55
IB 435Airbus A319
20h 30m·2 stops
$1,102 USD
American Airlines
PHLJul 31 06:00
→
CLTJul 31 07:53
AA 3139Airbus A320
7h 37m layover
American Airlines
CLTJul 31 15:30
→
MADAug 1 05:30
AA 748Boeing 777
1h 55m layover
Iberia Airlines
MADAug 1 07:25
→
BIOAug 1 08:30
IB 1097Canadair Reg. Jet
14h 40m·1 stop
$1,249 USD
American Airlines
PHLJul 31 20:15
→
MADAug 1 09:35
AA 740Boeing 787
6h 10m layover
Iberia Airlines
MADAug 1 15:45
→
BIOAug 1 16:55
IB 435Airbus A319
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