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Cheap flights from Bilbao to San Francisco from $390

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bilbao to San Francisco departing on 11/25. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Bilbao to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
9:15 am - 4:20 pm
BIO
-
SFO
16h 05m
1 stop
British Airways Logo
6:00 am - 8:30 am
SFO
-
BIO
17h 30m
2 stops
$403British Airways
Thu, Sep 10 - Mon, Sep 21
British Airways Logo
9:15 am - 10:56 pm
BIO
-
SFO
22h 41m
2 stops
British Airways Logo
6:00 am - 8:30 am
SFO
-
BIO
17h 30m
2 stops
$409British Airways
Thu, Sep 10 - Mon, Sep 21
Iberia Logo
9:15 am - 8:14 pm
BIO
-
SFO
19h 59m
2 stops
Iberia Logo
4:35 pm - 10:55 pm
SFO
-
BIO
21h 20m
2 stops
$431Iberia
Wed, Sep 2 - Mon, Sep 7
Iberia Logo
9:35 pm - 4:20 pm
BIO
-
SFO
27h 45m
1 stop
Iberia Logo
4:35 pm - 10:55 pm
SFO
-
BIO
21h 20m
2 stops
$432Iberia
Wed, Sep 2 - Mon, Sep 7
Iberia Logo
9:15 am - 4:20 pm
BIO
-
SFO
16h 05m
1 stop
Iberia Logo
7:00 am - 11:15 pm
SFO
-
BIO
31h 15m
2 stops
$561Iberia
Thu, Sep 10 - Mon, Sep 21
Iberia Logo
9:15 am - 8:04 pm
BIO
-
SFO
19h 49m
2 stops
Iberia Logo
7:00 am - 11:15 pm
SFO
-
BIO
31h 15m
2 stops
$566Iberia
Wed, Sep 9 - Tue, Sep 15
Iberia Logo
6:45 am - 4:20 pm
BIO
-
SFO
18h 35m
1 stop
Iberia Logo
2:00 pm - 8:50 pm
SFO
-
BIO
21h 50m
2 stops
$567Iberia
Thu, Sep 10 - Fri, Sep 18
Iberia Logo
1:30 pm - 4:20 pm
BIO
-
SFO
35h 50m
1 stop
Iberia Logo
7:00 am - 11:15 pm
SFO
-
BIO
31h 15m
2 stops
$572Iberia
Wed, Sep 9 - Wed, Sep 16
Iberia Logo
9:15 am - 4:20 pm
BIO
-
SFO
16h 05m
1 stop
Iberia Logo
2:00 pm - 4:55 pm
SFO
-
BIO
17h 55m
2 stops
$578Iberia
Thu, Sep 10 - Sat, Sep 19
Iberia Logo
1:30 pm - 11:28 pm
BIO
-
SFO
18h 58m
2 stops
Iberia Logo
1:27 pm - 11:15 pm
SFO
-
BIO
24h 48m
2 stops
$584Iberia
Fri, Sep 11 - Mon, Sep 21

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Lufthansa flights from Bilbao to San Francisco

Our best Lufthansa deals on Bilbao to San Francisco flight tickets
Lufthansa
Aug 27
BIO6:50 amBilbao
14h 50m
1 stop
SFO12:40 pmSan Francisco
Sep 5
SFO9:05 pmSan Francisco
17h 20m
1 stop
BIO11:25 pmBilbao
$767
Lufthansa
Aug 27
BIO6:50 amBilbao
14h 50m
1 stop
SFO12:40 pmSan Francisco
Sep 5
SFO9:05 pmSan Francisco
17h 20m
1 stop
BIO11:25 pmBilbao
$772
Lufthansa
Jul 8
BIO11:55 amBilbao
16h 05m
1 stop
SFO7:00 pmSan Francisco
Jul 23
SFO2:00 pmSan Francisco
18h 55m
1 stop
BIO5:55 pmBilbao
$5,366

Iberia flights from Bilbao to San Francisco

Our best Iberia deals on Bilbao to San Francisco flight tickets
Iberia
Sep 2
BIO9:15 amBilbao
19h 59m
2 stops
SFO8:14 pmSan Francisco
Sep 7
SFO4:35 pmSan Francisco
21h 20m
2 stops
BIO10:55 pmBilbao
$431
Iberia
Sep 2
BIO9:35 pmBilbao
27h 45m
1 stop
SFO4:20 pmSan Francisco
Sep 7
SFO4:35 pmSan Francisco
21h 20m
2 stops
BIO10:55 pmBilbao
$432
Iberia
Sep 10
BIO9:15 amBilbao
16h 05m
1 stop
SFO4:20 pmSan Francisco
Sep 21
SFO7:00 amSan Francisco
31h 15m
2 stops
BIO11:15 pmBilbao
$561

momondo Fare Finder

 
Customize your flight search to find flights from Bilbao to San Francisco 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 July 4, 2026.
Use the filters below to find and compare flights from Bilbao to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Thu 9/10

9:15 am-4:20 pm

1 stop16h 05m

San Francisco

Mon 9/21

6:00 am-8:30 am

2 stops17h 30m

$403

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Thu 9/10

9:15 am-10:56 pm

2 stops22h 41m

San Francisco

Mon 9/21

6:00 am-8:30 am

2 stops17h 30m

$409

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Wed 9/2

9:15 am-8:14 pm

2 stops19h 59m

San Francisco

Mon 9/7

4:35 pm-10:55 pm

2 stops21h 20m

$431

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Wed 9/2

9:35 pm-4:20 pm

1 stop27h 45m

San Francisco

Mon 9/7

4:35 pm-10:55 pm

2 stops21h 20m

$432

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Thu 9/10

9:15 am-4:20 pm

1 stop16h 05m

San Francisco

Mon 9/21

7:00 am-11:15 pm

2 stops31h 15m

$561

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Wed 9/9

9:15 am-8:04 pm

2 stops19h 49m

San Francisco

Tue 9/15

7:00 am-11:15 pm

2 stops31h 15m

$566

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Thu 9/10

6:45 am-4:20 pm

1 stop18h 35m

San Francisco

Fri 9/18

2:00 pm-8:50 pm

2 stops21h 50m

$567

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Wed 9/9

1:30 pm-4:20 pm

1 stop35h 50m

San Francisco

Wed 9/16

7:00 am-11:15 pm

2 stops31h 15m

$572

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Thu 9/10

9:15 am-4:20 pm

1 stop16h 05m

San Francisco

Sat 9/19

2:00 pm-4:55 pm

2 stops17h 55m

$578

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Fri 9/11

1:30 pm-11:28 pm

2 stops18h 58m

San Francisco

Mon 9/21

1:27 pm-11:15 pm

2 stops24h 48m

$584

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Bilbao to San Francisco

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 Bilbao and San Francisco?

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of June, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $598.

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

You are more likely to see cheaper flights to San Francisco from Bilbao when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $727 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Bilbao for as low as $608 on momondo.

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

You could potentially save up to 31% on your flight if you consider stops on a Bilbao to San Francisco flight.

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

As of July 2026, prices for Bilbao to San Francisco flights are approximately 1% cheaper when compared to flights at the same time last year.

When to book flights from Bilbao to San Francisco

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

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

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

Fastest flight time

16h 05m

Direct flights

None
The fastest flight from Bilbao to San Francisco takes 16h 05m
There are no direct flights from Bilbao to San Francisco. There are no popular flight routes from Bilbao to San Francisco.
Search flight deals

Frequently asked questions about flying from Bilbao to San Francisco

  • How far is Bilbao to San Francisco by plane?

    The distance between Bilbao and San Francisco is about 5671.5 mi. Typically, this will take 16h 05m by plane in normal conditions.

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

    Prices for flights from Bilbao Airport to San Francisco Airport are refreshed on a daily basis.

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

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

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

    The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Bilbao to San Francisco

Compare and see reviews for airlines that fly from Bilbao to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $768Free CancellationRating
7.4
9,927 reviews
Search United Airlines flights

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Bodega Bay
South San Francisco
Sonoma
Fremont
Hayward
Roseville
Walnut Creek
Santa Clara
Berkeley
Vallejo
Salinas
Sunnyvale
Big Sur
Burlingame
Daly City
Milpitas
Turlock

Why use momondo?

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

It is quick and easy to find Bilbao to San Francisco 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 San Francisco that suits you.

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

All flight searches from Bilbao to San Francisco on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Bilbao to San Francisco flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Bilbao to San Francisco now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Francisco and let you know when they change.

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