Earn point on your loyalty program!arrow arc left

Cheap flights from San Francisco (SFO) to Bilbao (BIO)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from San Francisco (SFO) to Bilbao (BIO)

How to find the cheapest flight from San Francisco (SFO) to Bilbao (BIO)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from San Francisco (SFO) to Bilbao (BIO)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from San Francisco (SFO) to Bilbao (BIO)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from San Francisco to Bilbao in November , December 2025

30 Nov - 16 Dec $ 524.00
SFO
San Francisco
United Airlines
1 STOPS
BIO
Bilbao
BIO
Bilbao
United Airlines
1 STOPS
SFO
San Francisco
Pick dates
17 Nov - 10 Dec $ 982.00
SFO
San Francisco
TAP Portugal
1 STOPS
BIO
Bilbao
BIO
Bilbao
TAP Portugal
1 STOPS
SFO
San Francisco
Pick dates
25 Nov - 06 Dec $ 1,798.00
SFO
San Francisco
KLM Royal Dutch Airlines
1 STOPS
BIO
Bilbao
BIO
Bilbao
KLM Royal Dutch Airlines
1 STOPS
SFO
San Francisco
Pick dates

Last minute flights from San Francisco to Bilbao

25 Nov - 02 Dec $ 1,252.00
SFO
San Francisco
WestJet
1 STOPS
BIO
Bilbao
BIO
Bilbao
WestJet
2 STOPS
SFO
San Francisco
Pick dates
17 Nov - 01 Dec $ 1,680.00
SFO
San Francisco
Turkish Airlines
1 STOPS
BIO
Bilbao
BIO
Bilbao
Turkish Airlines
1 STOPS
SFO
San Francisco
Pick dates
25 Nov - 30 Nov $ 3,777.00
SFO
San Francisco
KLM Royal Dutch Airlines
1 STOPS
BIO
Bilbao
BIO
Bilbao
KLM Royal Dutch Airlines
1 STOPS
SFO
San Francisco
Pick dates

One-way flights to Bilbao from San Francisco

4:35 PM - 8:50 AM
TAP Portugal
1 Stops
33h 50m
SFO - BIO
$ 416
Kiwi
Pick dates
9:40 PM - 7:40 PM
Lufthansa
1 Stops
15h 15m
SFO - BIO
$ 448
Kiwi
Pick dates
9:40 PM - 7:40 PM
Lufthansa
1 Stops
15h 15m
SFO - BIO
$ 523
Kiwi
Pick dates

How to find the cheapest flight from San Francisco (SFO) to Bilbao (BIO)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from San Francisco (SFO) to Bilbao (BIO)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from San Francisco (SFO) to Bilbao (BIO)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.