Bilbao (BIO) to San Francisco (SFO) flight deal in economy from $505

Air FranceAFAir FranceDelta Air LinesDLDelta Air LinesKLMKLKLM
Round Trip•Economy
SpainBIO

Bilbao Airport

Bilbao, Spain
United StatesSFO

San Francisco International Airport

San Francisco, United States
$802 USD
-37%$505 USD
Verified 13 days ago
Limited Availability
11% of dates checked are available within 10% of the lowest price

Thursday, December 17th, 2026

3 round-trip options

Returning
Wed, Dec 23, 2026•6 Day Trip
$1,174 USD
Google Flights
Returning
Sat, Dec 26, 2026•9 Day Trip
$958 USD
Google Flights
Returning
Mon, Dec 28, 2026•11 Day Trip
$1,027 USD
Google Flights