Philadelphia (PHL) to Bilbao (BIO) flight deal in economy from $700

American AirlinesAAAmerican Airlines
Round Trip•Economy
United StatesPHL

Philadelphia International Airport

Philadelphia, United States
SpainBIO

Bilbao Airport

Bilbao, Spain
$1,157 USD
-39%$700 USD
Verified 14 days ago
Limited Availability
18% of dates checked are available within 10% of the lowest price

Friday, December 18th, 2026

10 round-trip options

Returning
Wed, Dec 23, 2026•5 Day Trip
$1,581 USD
Google Flights
Returning
Thu, Dec 24, 2026•6 Day Trip
$1,570 USD
Google Flights
Returning
Fri, Dec 25, 2026•7 Day Trip
$1,780 USD
Google Flights
Returning
Sat, Dec 26, 2026•8 Day Trip
$1,681 USD
Google Flights
Returning
Sun, Dec 27, 2026•9 Day Trip
$2,064 USD
Google Flights
Returning
Mon, Dec 28, 2026•10 Day Trip
$1,547 USD
Google Flights
Returning
Tue, Dec 29, 2026•11 Day Trip
$1,724 USD
Google Flights
Returning
Wed, Dec 30, 2026•12 Day Trip
$1,621 USD
Google Flights
Returning
Thu, Dec 31, 2026•13 Day Trip
$1,850 USD
Google Flights
Returning
Fri, Jan 1, 2027•14 Day Trip
$1,895 USD
Google Flights