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Cheap flights from San Francisco to Bilbao from $354

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Bilbao departing on 9/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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.
Turkish Airlines Logo
12:55 pm - 5:20 pm
SFO
-
BIO
19h 25m
1 stop
Turkish Airlines Logo
6:20 pm - 10:50 am
BIO
-
SFO
25h 30m
1 stop
$688Turkish Airlines
Tue, Sep 8 - Wed, Sep 23
Turkish Airlines Logo
6:45 pm - 5:20 pm
SFO
-
BIO
37h 35m
1 stop
Turkish Airlines Logo
6:20 pm - 4:40 pm
BIO
-
SFO
31h 20m
1 stop
$701Turkish Airlines
Mon, Sep 7 - Wed, Sep 23
Turkish Airlines Logo
6:45 pm - 11:10 am
SFO
-
BIO
31h 25m
1 stop
Turkish Airlines Logo
6:20 pm - 4:40 pm
BIO
-
SFO
31h 20m
1 stop
$706Turkish Airlines
Sat, Aug 8 - Thu, Sep 3
Turkish Airlines Logo
6:45 pm - 11:10 am
SFO
-
BIO
31h 25m
1 stop
Turkish Airlines Logo
6:20 pm - 10:50 am
BIO
-
SFO
25h 30m
1 stop
$716Turkish Airlines
Sun, Sep 6 - Wed, Sep 23
Turkish Airlines Logo
6:45 pm - 11:10 am
SFO
-
BIO
31h 25m
1 stop
Turkish Airlines Logo
6:20 pm - 4:40 pm
BIO
-
SFO
31h 20m
1 stop
$726Turkish Airlines
Sun, Sep 6 - Thu, Sep 24
Turkish Airlines Logo
6:45 pm - 5:20 pm
SFO
-
BIO
37h 35m
1 stop
Turkish Airlines Logo
6:20 pm - 10:50 am
BIO
-
SFO
25h 30m
1 stop
$729Turkish Airlines
Mon, May 4 - Sun, May 24
Turkish Airlines Logo
6:45 pm - 5:20 pm
SFO
-
BIO
37h 35m
1 stop
Turkish Airlines Logo
12:10 pm - 10:50 am
BIO
-
SFO
31h 40m
1 stop
$739Turkish Airlines
Mon, Sep 7 - Mon, Sep 21
Turkish Airlines Logo
12:55 pm - 11:10 am
SFO
-
BIO
37h 15m
1 stop
Turkish Airlines Logo
6:20 pm - 10:50 am
BIO
-
SFO
25h 30m
1 stop
$751Turkish Airlines
Thu, Aug 20 - Sun, Aug 30
Turkish Airlines Logo
6:45 pm - 11:10 am
SFO
-
BIO
31h 25m
1 stop
Turkish Airlines Logo
12:10 pm - 10:50 am
BIO
-
SFO
31h 40m
1 stop
$766Turkish Airlines
Sun, Sep 6 - Mon, Sep 21
Turkish Airlines Logo
6:45 pm - 11:10 am
SFO
-
BIO
31h 25m
1 stop
Turkish Airlines Logo
6:20 pm - 10:50 am
BIO
-
SFO
25h 30m
1 stop
$776Turkish Airlines
Sun, Sep 6 - Sun, Sep 20

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Turkish Airlines flights from San Francisco to Bilbao

Our best Turkish Airlines deals on San Francisco to Bilbao flight tickets
Turkish Airlines
Apr 27
SFO6:45 pmSan Francisco
37h 35m
1 stop
BIO5:20 pmBilbao
May 12
BIO12:10 pmBilbao
37h 30m
1 stop
SFO4:40 pmSan Francisco
$658
Turkish Airlines
Apr 23
SFO6:45 pmSan Francisco
31h 25m
1 stop
BIO11:10 amBilbao
May 6
BIO6:20 pmBilbao
25h 30m
1 stop
SFO10:50 amSan Francisco
$663
Turkish Airlines
Apr 27
SFO6:45 pmSan Francisco
37h 35m
1 stop
BIO5:20 pmBilbao
May 12
BIO12:10 pmBilbao
37h 30m
1 stop
SFO4:40 pmSan Francisco
$670

TAP AIR PORTUGAL flights from San Francisco to Bilbao

Our best TAP AIR PORTUGAL deals on San Francisco to Bilbao flight tickets
TAP AIR PORTUGAL
Sep 8
SFO7:20 pmSan Francisco
31h 10m
2 stops
BIO11:30 amBilbao
Sep 22
BIO6:50 pmBilbao
28h 45m
1 stop
SFO2:35 pmSan Francisco
$788
TAP AIR PORTUGAL
Sep 8
SFO7:20 pmSan Francisco
31h 10m
2 stops
BIO11:30 amBilbao
Sep 20
BIO7:45 pmBilbao
27h 20m
1 stop
SFO2:05 pmSan Francisco
$803

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Bilbao that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 19, 2026.
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
Quickest round-trip

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 9/8

12:55 pm-5:20 pm

1 stop19h 25m

Bilbao

Wed 9/23

6:20 pm-10:50 am

1 stop25h 30m

$688

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Mon 9/7

6:45 pm-5:20 pm

1 stop37h 35m

Bilbao

Wed 9/23

6:20 pm-4:40 pm

1 stop31h 20m

$701

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Sat 8/8

6:45 pm-11:10 am

1 stop31h 25m

Bilbao

Thu 9/3

6:20 pm-4:40 pm

1 stop31h 20m

$706

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Sun 9/6

6:45 pm-11:10 am

1 stop31h 25m

Bilbao

Wed 9/23

6:20 pm-10:50 am

1 stop25h 30m

$716

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Sun 9/6

6:45 pm-11:10 am

1 stop31h 25m

Bilbao

Thu 9/24

6:20 pm-4:40 pm

1 stop31h 20m

$726

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Mon 5/4

6:45 pm-5:20 pm

1 stop37h 35m

Bilbao

Sun 5/24

6:20 pm-10:50 am

1 stop25h 30m

$729

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Mon 9/7

6:45 pm-5:20 pm

1 stop37h 35m

Bilbao

Mon 9/21

12:10 pm-10:50 am

1 stop31h 40m

$739

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Thu 8/20

12:55 pm-11:10 am

1 stop37h 15m

Bilbao

Sun 8/30

6:20 pm-10:50 am

1 stop25h 30m

$751

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Sun 9/6

6:45 pm-11:10 am

1 stop31h 25m

Bilbao

Mon 9/21

12:10 pm-10:50 am

1 stop31h 40m

$766

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Sun 9/6

6:45 pm-11:10 am

1 stop31h 25m

Bilbao

Sun 9/20

6:20 pm-10:50 am

1 stop25h 30m

$776

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

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 $556, 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.

How far in advance should I book a flight to Bilbao?

You are more likely to see cheaper flights to Bilbao from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Bilbao for around $794 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bilbao from San Francisco for as low as $456 on momondo.

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

As of April 2026, prices for San Francisco to Bilbao flights are approximately 1% cheaper 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

Fastest flight time

19h 25m

Direct flights

None
The fastest flight from San Francisco to Bilbao takes 19h 25m
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 19h 25m, 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
LEVELPriceFrom $380Free CancellationRating
0.0
Search LEVEL flights
SWISSPriceFrom $447Free CancellationRating
7.6
1,923 reviews
Search SWISS flights
KLMPriceFrom $470Free CancellationRating
7.8
1,501 reviews
Search KLM flights
LufthansaPriceFrom $472Free CancellationRating
6.8
7,930 reviews
Search Lufthansa flights
IberiaPriceFrom $545Free CancellationRating
7.0
3,184 reviews
Search Iberia flights
United AirlinesPriceFrom $572Free CancellationRating
7.4
9,605 reviews
Search United Airlines 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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