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Cheap flights from San Francisco to Bilbao from $331

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Francisco to Bilbao

Cheap round-trip flights

Enter your travel dates to find the best prices.
SWISS Logo
7:35 pm - 8:05 pmSFO  San Francisco-BIO Bilbao
15h 30m1 stop Zurich
SWISS Logo
8:55 pm - 4:15 pmBIO  Bilbao-SFO San Francisco
28h 20m1 stop Zurich
$586SWISS
Mon, Oct 5 - Tue, Oct 20
SWISS Logo
7:35 pm - 8:05 pmSFO  San Francisco-BIO Bilbao
15h 30m1 stop Zurich
SWISS Logo
8:55 pm - 4:15 pmBIO  Bilbao-SFO San Francisco
28h 20m1 stop Zurich
$590SWISS
Mon, Sep 28 - Tue, Oct 13
Delta Logo
3:05 pm - 9:50 amSFO  San Francisco-BIO Bilbao
33h 45m1 stop Paris Charles de Gaulle
Delta Logo
6:45 am - 11:45 amBIO  Bilbao-SFO San Francisco
14h 00m1 stop Amsterdam Schiphol
$613Delta
Mon, Oct 5 - Tue, Oct 20
KLM Logo
3:05 pm - 10:00 pmSFO  San Francisco-BIO Bilbao
21h 55m1 stop Paris Charles de Gaulle
KLM Logo
7:10 am - 5:05 pmBIO  Bilbao-SFO San Francisco
18h 55m2 stops Paris Charles de Gaulle Seattle/Tacoma Intl
$617KLM
Mon, Oct 5 - Tue, Oct 20
Delta Logo
3:05 pm - 9:50 amSFO  San Francisco-BIO Bilbao
33h 45m1 stop Paris Charles de Gaulle
Delta Logo
6:45 am - 5:05 pmBIO  Bilbao-SFO San Francisco
19h 20m2 stops Amsterdam Schiphol Seattle/Tacoma Intl
$618Delta
Mon, Oct 5 - Tue, Oct 20
United Airlines Logo
7:00 am - 11:10 pmSFO  San Francisco-BIO Bilbao
31h 10m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss
United Airlines Logo
7:30 am - 2:50 pmBIO  Bilbao-SFO San Francisco
16h 20m1 stop Munich Franz Josef Strauss
$621United Airlines
Mon, Jan 4 - Tue, Jan 19
KLM Logo
2:15 pm - 4:30 pmSFO  San Francisco-BIO Bilbao
17h 15m2 stops Seattle/Tacoma Intl Amsterdam Schiphol
KLM Logo
7:10 am - 5:05 pmBIO  Bilbao-SFO San Francisco
18h 55m2 stops Paris Charles de Gaulle Seattle/Tacoma Intl
$629KLM
Mon, Oct 5 - Tue, Oct 20
Lufthansa Logo
9:40 pm - 11:10 pmSFO  San Francisco-BIO Bilbao
16h 30m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:45 am - 8:07 pmBIO  Bilbao-SFO San Francisco
22h 22m2 stops Frankfurt am Main Las Vegas Harry Reid Intl
$631Lufthansa
Mon, Jan 4 - Tue, Jan 19
United Airlines Logo
7:00 am - 11:10 pmSFO  San Francisco-BIO Bilbao
31h 10m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss
United Airlines Logo
6:45 am - 11:04 pmBIO  Bilbao-SFO San Francisco
25h 19m2 stops Frankfurt am Main Los Angeles
$639United Airlines
Mon, Jan 4 - Tue, Jan 19
Lufthansa Logo
9:40 pm - 11:10 pmSFO  San Francisco-BIO Bilbao
16h 30m1 stop Munich Franz Josef Strauss
Lufthansa Logo
11:45 am - 7:35 pmBIO  Bilbao-SFO San Francisco
16h 50m1 stop Munich Franz Josef Strauss
$653Lufthansa
Mon, Jan 11 - Sat, Jan 23

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SWISS flights from San Francisco to Bilbao

Our best SWISS deals on San Francisco to Bilbao flight tickets
SWISS
Oct 5
SFO7:35 pmSan Francisco
15h 30m
1 stop
BIO8:05 pmBilbao
Oct 20
BIO8:55 pmBilbao
28h 20m
1 stop
SFO4:15 pmSan Francisco
$586
SWISS
Sep 28
SFO7:35 pmSan Francisco
15h 30m
1 stop
BIO8:05 pmBilbao
Oct 13
BIO8:55 pmBilbao
28h 20m
1 stop
SFO4:15 pmSan Francisco
$590
SWISS
Sep 21
SFO7:35 pmSan Francisco
15h 30m
1 stop
BIO8:05 pmBilbao
Oct 6
BIO8:55 pmBilbao
28h 20m
1 stop
SFO4:15 pmSan Francisco
$591

Delta flights from San Francisco to Bilbao

Our best Delta deals on San Francisco to Bilbao flight tickets
Delta
Oct 5
SFO3:05 pmSan Francisco
33h 45m
1 stop
BIO9:50 amBilbao
Oct 20
BIO6:45 amBilbao
14h 00m
1 stop
SFO11:45 amSan Francisco
$613
Delta
Sep 21
SFO6:00 amSan Francisco
18h 50m
2 stops
BIO9:50 amBilbao
Sep 30
BIO7:10 amBilbao
14h 40m
1 stop
SFO12:50 pmSan Francisco
$617
Delta
Oct 5
SFO3:05 pmSan Francisco
33h 45m
1 stop
BIO9:50 amBilbao
Oct 20
BIO6:45 amBilbao
19h 20m
2 stops
SFO5:05 pmSan Francisco
$618

momondo Fare Finder

 
Use the filters below to find and compare flights from San Francisco to Bilbao that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Mon 10/5

7:35 pm-8:05 pm

1 stop15h 30m

Bilbao

Tue 10/20

8:55 pm-4:15 pm

1 stop28h 20m

$586

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Mon 9/28

7:35 pm-8:05 pm

1 stop15h 30m

Bilbao

Tue 10/13

8:55 pm-4:15 pm

1 stop28h 20m

$590

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Mon 10/5

3:05 pm-9:50 am

1 stop33h 45m

Bilbao

Tue 10/20

6:45 am-11:45 am

1 stop14h 00m

$613

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Mon 10/5

3:05 pm-10:00 pm

1 stop21h 55m

Bilbao

Tue 10/20

7:10 am-5:05 pm

2 stops18h 55m

$617

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Mon 10/5

3:05 pm-9:50 am

1 stop33h 45m

Bilbao

Tue 10/20

6:45 am-5:05 pm

2 stops19h 20m

$618

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Mon 1/4

7:00 am-11:10 pm

2 stops31h 10m

Bilbao

Tue 1/19

7:30 am-2:50 pm

1 stop16h 20m

$621

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Mon 10/5

2:15 pm-4:30 pm

2 stops17h 15m

Bilbao

Tue 10/20

7:10 am-5:05 pm

2 stops18h 55m

$629

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Mon 1/4

9:40 pm-11:10 pm

1 stop16h 30m

Bilbao

Tue 1/19

6:45 am-8:07 pm

2 stops22h 22m

$631

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Mon 1/4

7:00 am-11:10 pm

2 stops31h 10m

Bilbao

Tue 1/19

6:45 am-11:04 pm

2 stops25h 19m

$639
Quickest round-trip

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Mon 1/11

9:40 pm-11:10 pm

1 stop16h 30m

Bilbao

Sat 1/23

11:45 am-7:35 pm

1 stop16h 50m

$653

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Bilbao from

How to get the cheapest flight ticket from San Francisco to Bilbao

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between San Francisco and Bilbao?

Prices are currently low for flights on this route.

Typical prices usually range from $681 to $1,065.
The lowest price recently found on this route was $586.

What is the cheapest month to fly to Bilbao?

The cheapest month to fly to Bilbao from San Francisco is in October. Flight prices, which tend to average around $572, are often lower during this time because this is during the off-season. If you’re not able to fly to Bilbao in October, then November is your next best option. Flight prices from San Francisco to Bilbao during November average around $625.

Can stopping save me money on San Francisco to Bilbao flights?

You could potentially save up to 15% on your flight if you consider stops on a San Francisco to Bilbao flight.

How have San Francisco to Bilbao flight prices changed over time?

As of September 2026, prices for San Francisco to Bilbao flights are approximately 39% more expensive when compared to flights at the same time last year.

When to book flights from San Francisco to Bilbao

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Bilbao according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to Bilbao (SFO to BIO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Bilbao

Best Price Found

$331

Fastest flight time

15h 15m

Direct flights

None
The best one-way flight to Bilbao from San Francisco in the past 72 hours is $331. The best round-trip flight deal from San Francisco to Bilbao found on momondo in the last 72 hours is $586.
The fastest flight from San Francisco to Bilbao takes 15h 15m
There are no direct flights from San Francisco to Bilbao. There are no popular flight routes from San Francisco to Bilbao.
Search flight deals

Frequently asked questions about flying from San Francisco to Bilbao

  • How far is San Francisco to Bilbao by plane?

    There are 5671.5 mi between San Francisco and Bilbao. Flights usually cover this in 15h 15m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from San Francisco Airport to Bilbao Airport?

    Prices for flights from San Francisco Airport to Bilbao Airport refresh daily.

  • How many operators does momondo search for flights from San Francisco Airport to Bilbao Airport?

  • How old do you have to be to fly from San Francisco Airport to Bilbao Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Bilbao Airport.

  • What documentation or ID do you need to fly to Bilbao Airport?

    The travel and health documents required for your trip to Bilbao Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bilbao Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from San Francisco to Bilbao?

Best airlines flying from San Francisco to Bilbao

Compare and see reviews for airlines that fly from San Francisco to Bilbao with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $443Free CancellationRating
6.8
8,221 reviews
Search Lufthansa flights
KLMPriceFrom $470Free CancellationRating
7.8
1,580 reviews
Search KLM flights
United AirlinesPriceFrom $572Free CancellationRating
7.4
10,213 reviews
Search United Airlines flights
DeltaPriceFrom $710Free CancellationRating
7.8
8,569 reviews
Search Delta flights

Traveling to a place near Bilbao?

Book flights to Bilbao if you plan to visit one of these locations
Getxo
Laredo
Lekeitio

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Bilbao?

It is quick and easy to find San Francisco to Bilbao flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Bilbao that suits you.

Can I find flights from San Francisco to Bilbao with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Bilbao from San Francisco with this policy.

How can momondo help me find flights from San Francisco to Bilbao?

momondo provides multiple filters to help you find the best flight to Bilbao from San Francisco. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from San Francisco to Bilbao right now. Can momondo alert me if prices change?

Price alerts on flights to Bilbao from San Francisco are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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