Cheap flights from San Francisco to Bilbao from $364

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 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Scandinavian Airlines Logo
7:40 pm - 10:00 amSFO-BIO
29h 20m1 stop
Scandinavian Airlines Logo
7:30 pm - 4:10 pmBIO-SFO
28h 40m1 stop
$395Scandinavian Airlines
Find Deal
Sat, Oct 11 - Mon, Oct 27
Scandinavian Airlines Logo
7:40 pm - 10:00 amSFO-BIO
29h 20m1 stop
Scandinavian Airlines Logo
7:30 pm - 4:10 pmBIO-SFO
28h 40m1 stop
$488Scandinavian Airlines
Find Deal
Sat, Oct 11 - Mon, Oct 27
Lufthansa Logo
9:05 pm - 11:25 pmSFO-BIO
17h 20m1 stop
Lufthansa Logo
6:45 am - 12:40 pmBIO-SFO
14h 55m1 stop
$542Lufthansa
Find Deal
Tue, Oct 14 - Tue, Oct 21
United Airlines Logo
6:00 am - 10:45 amSFO-BIO
19h 45m2 stops
United Airlines Logo
6:45 am - 12:40 pmBIO-SFO
14h 55m1 stop
$553United Airlines
Find Deal
Tue, Sep 23 - Tue, Oct 14
 Logo
6:20 pm - 11:15 pmSFO-BIO
19h 55m1 stop
 Logo
6:45 am - 8:27 pmBIO-SFO
22h 42m2 stops
Wed, Sep 17 - Wed, Oct 15
Lufthansa Logo
9:40 pm - 11:05 pmSFO-BIO
16h 25m1 stop
Lufthansa Logo
6:45 am - 12:40 pmBIO-SFO
14h 55m1 stop
$562Lufthansa
Find Deal
Wed, Nov 19 - Tue, Nov 25
United Airlines Logo
9:05 pm - 11:25 pmSFO-BIO
17h 20m1 stop
United Airlines Logo
6:45 am - 3:28 pmBIO-SFO
17h 43m2 stops
$567United Airlines
Find Deal
Sun, Sep 28 - Thu, Oct 16
United Airlines Logo
5:00 am - 10:45 amSFO-BIO
20h 45m2 stops
United Airlines Logo
6:45 am - 9:20 amBIO-SFO
35h 35m2 stops
$569United Airlines
Find Deal
Tue, Sep 23 - Tue, Oct 14
 Logo
8:30 am - 2:45 pmSFO-BIO
21h 15m2 stops
 Logo
7:10 pm - 12:40 pmBIO-SFO
26h 30m1 stop
Mon, Sep 29 - Mon, Oct 6
Delta Logo
9:51 am - 11:30 amSFO-BIO
16h 39m2 stops
Delta Logo
11:55 am - 11:50 amBIO-SFO
32h 55m1 stop
$640Delta
Find Deal
Wed, Nov 12 - Sun, Nov 16

Air Canada flights from San Francisco to Bilbao

Our best Air Canada deals on San Francisco to Bilbao flight tickets
Air Canada
Sep 27
SFO11:45 pmSan Francisco
31h 20m
2 stops
BIO4:05 pmBilbao
Oct 16
BIO6:45 amBilbao
35h 42m
2 stops
SFO9:27 amSan Francisco
Air Canada
Nov 12
SFO8:25 amSan Francisco
18h 40m
2 stops
BIO12:05 pmBilbao
Nov 16
BIO6:45 amBilbao
35h 43m
2 stops
SFO9:28 amSan Francisco
Air Canada
Nov 19
SFO8:25 amSan Francisco
18h 40m
2 stops
BIO12:05 pmBilbao
Nov 28
BIO6:45 amBilbao
23h 05m
2 stops
SFO8:50 pmSan Francisco

United Airlines flights from San Francisco to Bilbao

Our best United Airlines deals on San Francisco to Bilbao flight tickets
United Airlines
Sep 23
SFO6:00 amSan Francisco
19h 45m
2 stops
BIO10:45 amBilbao
Oct 14
BIO6:45 amBilbao
14h 55m
1 stop
SFO12:40 pmSan Francisco
United Airlines
Sep 28
SFO9:05 pmSan Francisco
17h 20m
1 stop
BIO11:25 pmBilbao
Oct 16
BIO6:45 amBilbao
17h 43m
2 stops
SFO3:28 pmSan Francisco
United Airlines
Sep 23
SFO5:00 amSan Francisco
20h 45m
2 stops
BIO10:45 amBilbao
Oct 14
BIO6:45 amBilbao
35h 35m
2 stops
SFO9:20 amSan Francisco

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 August 28, 2025.
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

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Sat 10/11

7:40 pm-10:00 am

1 stop29h 20m

Bilbao

Mon 10/27

7:30 pm-4:10 pm

1 stop28h 40m

$395

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Sat 10/11

7:40 pm-10:00 am

1 stop29h 20m

Bilbao

Mon 10/27

7:30 pm-4:10 pm

1 stop28h 40m

$488

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 10/14

9:05 pm-11:25 pm

1 stop17h 20m

Bilbao

Tue 10/21

6:45 am-12:40 pm

1 stop14h 55m

$542

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 9/23

6:00 am-10:45 am

2 stops19h 45m

Bilbao

Tue 10/14

6:45 am-12:40 pm

1 stop14h 55m

$553

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Wed 9/17

6:20 pm-11:15 pm

1 stop19h 55m

Bilbao

Wed 10/15

6:45 am-8:27 pm

2 stops22h 42m

$556

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Wed 11/19

9:40 pm-11:05 pm

1 stop16h 25m

Bilbao

Tue 11/25

6:45 am-12:40 pm

1 stop14h 55m

$562

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Sun 9/28

9:05 pm-11:25 pm

1 stop17h 20m

Bilbao

Thu 10/16

6:45 am-3:28 pm

2 stops17h 43m

$567

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 9/23

5:00 am-10:45 am

2 stops20h 45m

Bilbao

Tue 10/14

6:45 am-9:20 am

2 stops35h 35m

$569

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Mon 9/29

8:30 am-2:45 pm

2 stops21h 15m

Bilbao

Mon 10/6

7:10 pm-12:40 pm

1 stop26h 30m

$575

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Wed 11/12

9:51 am-11:30 am

2 stops16h 39m

Bilbao

Sun 11/16

11:55 am-11:50 am

1 stop32h 55m

$640

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 cheapest month to fly to Bilbao?

The cheapest month to fly to Bilbao from San Francisco is in September. Flight prices, which tend to average around $672, are often lower during this time because this is during the off-season. If you’re not able to fly to Bilbao in September, then March is your next best option. Flight prices from San Francisco to Bilbao during March average around $714.

What is the cheapest day to depart on your flight to Bilbao?

The cheapest day to depart from San Francisco to Bilbao is on a Sunday. Travelers who choose to depart for Bilbao on a Sunday will often find tickets for as low as $869. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,286. These prices are subject to change though, so be sure to set up a Price Alert for flights to Bilbao.

What is the cheapest time of day to depart on your flight to Bilbao?

Our most recent data shows that the best time of day to fly to Bilbao is in the evening. Flights from San Francisco to Bilbao during this time can be as low as $958. At noon is when there is more demand to fly to Bilbao, so prices are often more expensive at around $1,217 per ticket.

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 $890 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 $755 on momondo.

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

Direct flights

None
There are no direct flights from San Francisco to Bilbao. There are no popular flight routes from San Francisco to Bilbao.
  • How far is San Francisco to Bilbao by plane?

    There are 5671.4 mi between San Francisco and Bilbao. Flights usually cover this in 15h 40m, 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 $427Free CancellationRating
4.0
4 reviews
Search LEVEL flights
LufthansaPriceFrom $557Free CancellationRating
6.8
7,368 reviews
Search Lufthansa flights
IberiaPriceFrom $589Free CancellationRating
7.0
2,892 reviews
Search Iberia flights
KLMPriceFrom $612Free CancellationRating
7.8
1,382 reviews
Search KLM flights
United AirlinesPriceFrom $626Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights
DeltaPriceFrom $629Free CancellationRating
7.9
7,977 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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1 adult
Tue 9/2
Tue 9/9

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