Philadelphia (PHL) to Bilbao (BIO) flight deal in economy from $351
$652 USD
-46%$351 USD
Verified 15 days agoAugust 2026
Mon
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Sun
Fair Availability
22% of dates checked are available within 10% of the lowest price
Saturday, August 1st, 2026
Outbound Flights
14h 23m·2 stops
$704 USD
PHLAug 1 12:07
→CLTAug 1 14:00
AA 1311Airbus A320
1h 30m layover
CLTAug 1 15:30
→MADAug 2 05:30
AA 748Boeing 777
1h 55m layover
MADAug 2 07:25
→BIOAug 2 08:30
IB 429Airbus A320
16h 52m·2 stops
$708 USDPHLAug 1 13:53
→YYZAug 1 15:43
AA 5884Embraer ERJ-145
1h 27m layover
YYZAug 1 17:10
→MADAug 2 06:50
IB 368Airbus A321neo
4h 50m layover
MADAug 2 11:40
→BIOAug 2 12:45
IB 1099Canadair Reg. Jet
30h 15m·1 stop
$709 USDPHLAug 1 20:15
→MADAug 2 09:35
AA 740Boeing 787
21h 50m layover·Overnight
MADAug 3 07:25
→BIOAug 3 08:30
IB 429Airbus A320
15h 24m·2 stops
$815 USDPHLAug 1 15:21
→BOSAug 1 16:48
AA 3116Boeing 737
4h 32m layover
BOSAug 1 21:20
→MADAug 2 10:30
IB 346Airbus A321neo
1h 10m layover
MADAug 2 11:40
→BIOAug 2 12:45
IB 1099Canadair Reg. Jet
10h 30m·1 stop
$1,376 USDPHLAug 1 20:15
→MADAug 2 09:35
AA 740Boeing 787
2h 5m layover
MADAug 2 11:40
→BIOAug 2 12:45
IB 1099Canadair Reg. Jet