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Cheap flights from Bilbao to San Francisco from $333

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 6/6. 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

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Find the cheapest flights from Bilbao to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
1:35 pm - 12:52 am
BIO
-
SFO
20h 17m
2 stops
American Airlines Logo
10:03 am - 12:50 pm
SFO
-
BIO
18h 47m
2 stops
$483American Airlines
Wed, Mar 4 - Tue, Mar 10
American Airlines Logo
9:15 am - 10:32 pm
BIO
-
SFO
21h 17m
2 stops
American Airlines Logo
7:25 am - 12:50 pm
SFO
-
BIO
21h 25m
2 stops
$487American Airlines
Tue, Mar 10 - Mon, Mar 23
American Airlines Logo
9:15 am - 10:32 pm
BIO
-
SFO
21h 17m
2 stops
American Airlines Logo
10:03 am - 12:50 pm
SFO
-
BIO
18h 47m
2 stops
$488American Airlines
Tue, Mar 10 - Mon, Mar 23
Iberia Logo
6:45 am - 11:59 pm
BIO
-
SFO
26h 14m
2 stops
Iberia Logo
6:00 am - 12:50 pm
SFO
-
BIO
21h 50m
2 stops
$509Iberia
Fri, Feb 27 - Mon, Mar 2
Iberia Logo
6:45 am - 9:16 pm
BIO
-
SFO
23h 31m
2 stops
Iberia Logo
6:15 am - 12:50 pm
SFO
-
BIO
21h 35m
2 stops
$510Iberia
Fri, Feb 27 - Mon, Mar 2
Iberia Logo
1:30 pm - 11:59 pm
BIO
-
SFO
19h 29m
2 stops
Iberia Logo
2:10 pm - 4:55 pm
SFO
-
BIO
17h 45m
2 stops
$514Iberia
Wed, Apr 8 - Mon, Apr 13
Iberia Logo
1:30 pm - 11:59 pm
BIO
-
SFO
19h 29m
2 stops
Iberia Logo
12:06 pm - 4:55 pm
SFO
-
BIO
19h 49m
2 stops
$515Iberia
Wed, Apr 8 - Mon, Apr 13
Iberia Logo
10:50 pm - 5:55 pm
BIO
-
SFO
28h 05m
1 stop
Iberia Logo
12:06 pm - 4:55 pm
SFO
-
BIO
19h 49m
2 stops
$516Iberia
Wed, Apr 8 - Mon, Apr 13
Iberia Logo
10:50 pm - 5:55 pm
BIO
-
SFO
28h 05m
1 stop
Iberia Logo
1:40 pm - 4:55 pm
SFO
-
BIO
18h 15m
2 stops
$517Iberia
Wed, Apr 8 - Mon, Apr 13
American Airlines Logo
9:15 am - 8:56 pm
BIO
-
SFO
20h 41m
2 stops
American Airlines Logo
11:15 am - 4:55 pm
SFO
-
BIO
20h 40m
2 stops
$532American Airlines
Wed, Apr 29 - Sun, May 3

Iberia flights from Bilbao to San Francisco

Our best Iberia deals on Bilbao to San Francisco flight tickets
Iberia
Feb 27
BIO6:45 amBilbao
26h 14m
2 stops
SFO11:59 pmSan Francisco
Mar 2
SFO6:00 amSan Francisco
21h 50m
2 stops
BIO12:50 pmBilbao
$509
Iberia
Feb 27
BIO6:45 amBilbao
23h 31m
2 stops
SFO9:16 pmSan Francisco
Mar 2
SFO6:15 amSan Francisco
21h 35m
2 stops
BIO12:50 pmBilbao
$510
Iberia
Apr 8
BIO1:30 pmBilbao
19h 29m
2 stops
SFO11:59 pmSan Francisco
Apr 13
SFO2:10 pmSan Francisco
17h 45m
2 stops
BIO4:55 pmBilbao
$514

TAP AIR PORTUGAL flights from Bilbao to San Francisco

Our best TAP AIR PORTUGAL deals on Bilbao to San Francisco flight tickets
TAP AIR PORTUGAL
Feb 24
BIO6:40 pmBilbao
28h 50m
1 stop
SFO2:30 pmSan Francisco
Mar 2
SFO4:35 pmSan Francisco
16h 20m
1 stop
BIO5:55 pmBilbao
$521
TAP AIR PORTUGAL
Feb 27
BIO6:40 pmBilbao
29h 05m
1 stop
SFO2:45 pmSan Francisco
Mar 2
SFO4:35 pmSan Francisco
16h 20m
1 stop
BIO5:55 pmBilbao
$592
TAP AIR PORTUGAL
Feb 27
BIO6:40 pmBilbao
29h 05m
1 stop
SFO2:45 pmSan Francisco
Mar 2
SFO4:35 pmSan Francisco
16h 20m
1 stop
BIO5:55 pmBilbao
$593

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 February 15, 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

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Wed 3/4

1:35 pm-12:52 am

2 stops20h 17m

San Francisco

Tue 3/10

10:03 am-12:50 pm

2 stops18h 47m

$483

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Tue 3/10

9:15 am-10:32 pm

2 stops21h 17m

San Francisco

Mon 3/23

7:25 am-12:50 pm

2 stops21h 25m

$487

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Tue 3/10

9:15 am-10:32 pm

2 stops21h 17m

San Francisco

Mon 3/23

10:03 am-12:50 pm

2 stops18h 47m

$488

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Fri 2/27

6:45 am-11:59 pm

2 stops26h 14m

San Francisco

Mon 3/2

6:00 am-12:50 pm

2 stops21h 50m

$509

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Fri 2/27

6:45 am-9:16 pm

2 stops23h 31m

San Francisco

Mon 3/2

6:15 am-12:50 pm

2 stops21h 35m

$510

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Wed 4/8

1:30 pm-11:59 pm

2 stops19h 29m

San Francisco

Mon 4/13

2:10 pm-4:55 pm

2 stops17h 45m

$514

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Wed 4/8

1:30 pm-11:59 pm

2 stops19h 29m

San Francisco

Mon 4/13

12:06 pm-4:55 pm

2 stops19h 49m

$515

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Wed 4/8

10:50 pm-5:55 pm

1 stop28h 05m

San Francisco

Mon 4/13

12:06 pm-4:55 pm

2 stops19h 49m

$516

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Wed 4/8

10:50 pm-5:55 pm

1 stop28h 05m

San Francisco

Mon 4/13

1:40 pm-4:55 pm

2 stops18h 15m

$517

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Wed 4/29

9:15 am-8:56 pm

2 stops20h 41m

San Francisco

Sun 5/3

11:15 am-4:55 pm

2 stops20h 40m

$532

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 San Francisco from

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 cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of January, 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 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 $667 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 $503 on momondo.

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

You could potentially save up to 15% 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 February 2026, prices for Bilbao to San Francisco flights are approximately 7% more expensive 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

14h 00m

Direct flights

None
The fastest flight from Bilbao to San Francisco takes 14h 00m
There are no direct flights from Bilbao to San Francisco. There are no popular flight routes from Bilbao to San Francisco.
Search flight deals

  • How far is Bilbao to San Francisco by plane?

    The distance between Bilbao and San Francisco is about 5671.4 mi. Typically, this will take 14h 00m 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 $538Free CancellationRating
7.4
9,296 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
Sonoma
Bodega Bay
Roseville
Hayward
Walnut Creek
Santa Clara
Calistoga
Berkeley
Big Sur
Fremont
Daly City
Half Moon Bay
Salinas
Vallejo
Sunnyvale
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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