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

Saturday, December 26th, 2026

3 round-trip options

Returning
Fri, Jan 1, 2027•6 Day Trip
$1,308 USD
Google Flights
Returning
Mon, Jan 4, 2027•9 Day Trip
$1,462 USD
Google Flights
Returning
Wed, Jan 6, 2027•11 Day Trip
$1,285 USD
Google Flights