San Francisco (SFO) to Bilbao (BIO) flight deal in economy from $710

Air FranceAFAir FranceDelta Air LinesDLDelta Air LinesKLMKLKLM
Round Trip•Economy
United StatesSFO

San Francisco International Airport

San Francisco, United States
SpainBIO

Bilbao Airport

Bilbao, Spain
$954 USD
-26%$710 USD
Verified about 8 hours ago
Fair Availability
30% of dates checked are available within 10% of the lowest price

Monday, December 7th, 2026

5 round-trip options

Returning
Sun, Dec 13, 2026•6 Day Trip
$776 USD
Google Flights
Returning
Mon, Dec 14, 2026•7 Day Trip
$776 USD
Google Flights
Returning
Wed, Dec 16, 2026•9 Day Trip
$736 USD
Google Flights
Returning
Fri, Dec 18, 2026•11 Day Trip
$1,022 USD
Google Flights
Returning
Mon, Dec 21, 2026•14 Day Trip
$792 USD
Google Flights