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Cheap flights from San Francisco to Bilbao from $356

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 8/10. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from San Francisco to Bilbao

Cheap round-trip flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
7:55 pm - 5:35 pm
SFO
-
BIO
36h 40m
1 stop
TAP AIR PORTUGAL Logo
12:25 pm - 4:35 pm
BIO
-
SFO
37h 10m
1 stop
$554TAP AIR PORTUGAL
Thu, Apr 23 - Wed, May 6
TAP AIR PORTUGAL Logo
4:35 pm - 11:30 am
SFO
-
BIO
33h 55m
1 stop
TAP AIR PORTUGAL Logo
12:25 pm - 2:35 pm
BIO
-
SFO
35h 10m
1 stop
$573TAP AIR PORTUGAL
Tue, Apr 21 - Mon, May 4
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
$640Turkish Airlines
Mon, Apr 20 - Wed, Apr 29
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
$652Turkish Airlines
Wed, Apr 15 - Wed, Apr 22
Turkish Airlines Logo
6:45 pm - 5:20 pm
SFO
-
BIO
37h 35m
1 stop
Turkish Airlines Logo
12:10 pm - 4:40 pm
BIO
-
SFO
37h 30m
1 stop
$676Turkish Airlines
Tue, Apr 28 - Mon, May 11
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
$677Turkish Airlines
Wed, Apr 15 - Wed, Apr 22
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
$699Turkish Airlines
Sun, Apr 26 - Sun, May 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
$700Turkish Airlines
Sun, May 3 - Sun, May 17
TAP AIR PORTUGAL Logo
4:30 pm - 11:40 am
SFO
-
BIO
34h 10m
1 stop
TAP AIR PORTUGAL Logo
6:50 pm - 2:35 pm
BIO
-
SFO
28h 45m
1 stop
$710TAP AIR PORTUGAL
Mon, Sep 14 - Tue, Sep 22
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
$712Turkish Airlines
Mon, May 4 - Sun, May 24

Turkish Airlines flights from San Francisco to Bilbao

Our best Turkish Airlines deals on San Francisco to Bilbao flight tickets
Turkish Airlines
Apr 20
SFO6:45 pmSan Francisco
37h 35m
1 stop
BIO5:20 pmBilbao
Apr 29
BIO6:20 pmBilbao
25h 30m
1 stop
SFO10:50 amSan Francisco
$640
Turkish Airlines
Apr 7
SFO6:45 pmSan Francisco
37h 35m
1 stop
BIO5:20 pmBilbao
Apr 29
BIO6:20 pmBilbao
25h 30m
1 stop
SFO10:50 amSan Francisco
$652
Turkish Airlines
Apr 7
SFO12:55 pmSan Francisco
19h 25m
1 stop
BIO5:20 pmBilbao
Apr 29
BIO6:20 pmBilbao
31h 20m
1 stop
SFO4:40 pmSan Francisco
$661

Iberia flights from San Francisco to Bilbao

Our best Iberia deals on San Francisco to Bilbao flight tickets
Iberia
Sep 22
SFO5:55 pmSan Francisco
17h 55m
1 stop
BIO8:50 pmBilbao
Oct 3
BIO1:30 pmBilbao
19h 42m
2 stops
SFO12:12 amSan Francisco
$772
Iberia
Sep 22
SFO5:55 pmSan Francisco
17h 55m
1 stop
BIO8:50 pmBilbao
Oct 3
BIO1:30 pmBilbao
19h 42m
2 stops
SFO12:12 amSan Francisco
$773
Iberia
Apr 13
SFO2:57 pmSan Francisco
23h 18m
2 stops
BIO11:15 pmBilbao
Apr 22
BIO1:30 pmBilbao
19h 29m
2 stops
SFO11:59 pmSan Francisco
$1,092

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 3, 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

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Thu 4/23

7:55 pm-5:35 pm

1 stop36h 40m

Bilbao

Wed 5/6

12:25 pm-4:35 pm

1 stop37h 10m

$554

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 4/21

4:35 pm-11:30 am

1 stop33h 55m

Bilbao

Mon 5/4

12:25 pm-2:35 pm

1 stop35h 10m

$573

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Mon 4/20

6:45 pm-5:20 pm

1 stop37h 35m

Bilbao

Wed 4/29

6:20 pm-10:50 am

1 stop25h 30m

$640

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Wed 4/15

6:45 pm-11:10 am

1 stop31h 25m

Bilbao

Wed 4/22

6:20 pm-4:40 pm

1 stop31h 20m

$652

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 4/28

6:45 pm-5:20 pm

1 stop37h 35m

Bilbao

Mon 5/11

12:10 pm-4:40 pm

1 stop37h 30m

$676

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Wed 4/15

6:45 pm-11:10 am

1 stop31h 25m

Bilbao

Wed 4/22

6:20 pm-4:40 pm

1 stop31h 20m

$677

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Sun 4/26

6:45 pm-11:10 am

1 stop31h 25m

Bilbao

Sun 5/3

6:20 pm-4:40 pm

1 stop31h 20m

$699
Quickest round-trip

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Sun 5/3

6:45 pm-11:10 am

1 stop31h 25m

Bilbao

Sun 5/17

6:20 pm-10:50 am

1 stop25h 30m

$700

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Mon 9/14

4:30 pm-11:40 am

1 stop34h 10m

Bilbao

Tue 9/22

6:50 pm-2:35 pm

1 stop28h 45m

$710

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

$712

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $717 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 5% 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

14h 00m

Direct flights

None
The fastest flight from San Francisco to Bilbao takes 14h 00m
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 14h 00m, 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
7.5
1,910 reviews
Search SWISS flights
KLMPriceFrom $470Free CancellationRating
7.7
1,485 reviews
Search KLM flights
LufthansaPriceFrom $472Free CancellationRating
6.8
7,885 reviews
Search Lufthansa flights
IberiaPriceFrom $545Free CancellationRating
7.0
3,164 reviews
Search Iberia flights
United AirlinesPriceFrom $572Free CancellationRating
7.4
9,538 reviews
Search United Airlines flights
DeltaPriceFrom $616Free CancellationRating
7.9
8,374 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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