Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Bilbao to San Francisco from $369

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 12/16. 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.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Bilbao to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Iberia Logo
9:15 am - 8:48 pmBIO-SFO
20h 33m2 stops
Iberia Logo
6:00 am - 8:30 amSFO-BIO
17h 30m2 stops
$479Iberia
Find Deal
Tue, Feb 10 - Tue, Feb 24
Multiple Airlines Logo
6:45 am - 9:37 pmBIO-SFO
23h 52m2 stops
Multiple Airlines Logo
10:35 am - 11:15 pmSFO-BIO
27h 40m2 stops
$496Multiple Airlines
Find Deal
Mon, Jan 12 - Mon, Jan 19
American Airlines Logo
9:15 am - 9:37 pmBIO-SFO
21h 22m2 stops
American Airlines Logo
6:10 am - 8:30 amSFO-BIO
17h 20m2 stops
$497American Airlines
Find Deal
Tue, Feb 10 - Fri, Feb 20
Iberia Logo
9:15 am - 8:30 pmBIO-SFO
20h 15m2 stops
Iberia Logo
7:00 am - 8:30 amSFO-BIO
16h 30m2 stops
$508Iberia
Find Deal
Wed, Dec 10 - Tue, Jan 13
Multiple Airlines Logo
6:45 am - 9:37 pmBIO-SFO
23h 52m2 stops
Multiple Airlines Logo
10:11 am - 11:15 pmSFO-BIO
28h 04m2 stops
$520Multiple Airlines
Find Deal
Mon, Jan 12 - Mon, Jan 19
Lufthansa Logo
11:35 am - 6:55 pmBIO-SFO
16h 20m1 stop
Lufthansa Logo
9:25 pm - 9:55 pmSFO-BIO
15h 30m1 stop
$542Lufthansa
Find Deal
Tue, Feb 10 - Tue, Feb 24
TAP AIR PORTUGAL Logo
6:40 pm - 2:30 pmBIO-SFO
28h 50m1 stop
TAP AIR PORTUGAL Logo
4:35 pm - 5:55 pmSFO-BIO
16h 20m1 stop
$544TAP AIR PORTUGAL
Find Deal
Tue, Feb 10 - Mon, Feb 23
United Airlines Logo
12:50 pm - 8:10 pmBIO-SFO
16h 20m1 stop
United Airlines Logo
2:30 pm - 11:05 pmSFO-BIO
24h 35m1 stop
$550United Airlines
Find Deal
Thu, Mar 5 - Mon, Mar 9
United Airlines Logo
12:50 pm - 8:10 pmBIO-SFO
16h 20m1 stop
United Airlines Logo
9:25 pm - 9:55 pmSFO-BIO
15h 30m1 stop
$551United Airlines
Find Deal
Mon, Feb 9 - Thu, Feb 26
United Airlines Logo
6:45 am - 3:55 pmBIO-SFO
18h 10m1 stop
United Airlines Logo
6:45 am - 12:50 pmSFO-BIO
21h 05m2 stops
$555United Airlines
Find Deal
Mon, Feb 9 - Mon, Feb 23

Iberia flights from Bilbao to San Francisco

Our best Iberia deals on Bilbao to San Francisco flight tickets
Iberia
Feb 10
BIO9:15 amBilbao
20h 33m
2 stops
SFO8:48 pmSan Francisco
Feb 24
SFO6:00 amSan Francisco
17h 30m
2 stops
BIO8:30 amBilbao
$479
Find similar
Iberia
Dec 10
BIO9:15 amBilbao
20h 15m
2 stops
SFO8:30 pmSan Francisco
Jan 13
SFO7:00 amSan Francisco
16h 30m
2 stops
BIO8:30 amBilbao
$508
Find similar
Iberia
Feb 11
BIO9:15 amBilbao
19h 55m
2 stops
SFO8:10 pmSan Francisco
Feb 24
SFO6:25 amSan Francisco
17h 05m
2 stops
BIO8:30 amBilbao
$768
Find similar

Lufthansa flights from Bilbao to San Francisco

Our best Lufthansa deals on Bilbao to San Francisco flight tickets
Lufthansa
Feb 10
BIO11:35 amBilbao
16h 20m
1 stop
SFO6:55 pmSan Francisco
Feb 24
SFO9:25 pmSan Francisco
15h 30m
1 stop
BIO9:55 pmBilbao
$542
Find similar
Lufthansa
Feb 10
BIO11:35 amBilbao
16h 20m
1 stop
SFO6:55 pmSan Francisco
Feb 20
SFO9:25 pmSan Francisco
16h 55m
1 stop
BIO11:20 pmBilbao
$559
Find similar
Lufthansa
Dec 10
BIO12:50 pmBilbao
16h 20m
1 stop
SFO8:10 pmSan Francisco
Jan 13
SFO9:40 pmSan Francisco
15h 15m
1 stop
BIO9:55 pmBilbao
$579
Find similar

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 November 13, 2025.
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

Tue 2/10

9:15 am-8:48 pm

2 stops20h 33m

San Francisco

Tue 2/24

6:00 am-8:30 am

2 stops17h 30m

$479

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Mon 1/12

6:45 am-9:37 pm

2 stops23h 52m

San Francisco

Mon 1/19

10:35 am-11:15 pm

2 stops27h 40m

$496

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Tue 2/10

9:15 am-9:37 pm

2 stops21h 22m

San Francisco

Fri 2/20

6:10 am-8:30 am

2 stops17h 20m

$497

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Wed 12/10

9:15 am-8:30 pm

2 stops20h 15m

San Francisco

Tue 1/13

7:00 am-8:30 am

2 stops16h 30m

$508

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Mon 1/12

6:45 am-9:37 pm

2 stops23h 52m

San Francisco

Mon 1/19

10:11 am-11:15 pm

2 stops28h 04m

$520

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Tue 2/10

11:35 am-6:55 pm

1 stop16h 20m

San Francisco

Tue 2/24

9:25 pm-9:55 pm

1 stop15h 30m

$542

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Tue 2/10

6:40 pm-2:30 pm

1 stop28h 50m

San Francisco

Mon 2/23

4:35 pm-5:55 pm

1 stop16h 20m

$544

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Thu 3/5

12:50 pm-8:10 pm

1 stop16h 20m

San Francisco

Mon 3/9

2:30 pm-11:05 pm

1 stop24h 35m

$550

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Mon 2/9

12:50 pm-8:10 pm

1 stop16h 20m

San Francisco

Thu 2/26

9:25 pm-9:55 pm

1 stop15h 30m

$551

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Mon 2/9

6:45 am-3:55 pm

1 stop18h 10m

San Francisco

Mon 2/23

6:45 am-12:50 pm

2 stops21h 05m

$555

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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 $463.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Bilbao to San Francisco is on a Wednesday when prices can be found for as low as $669. The most expensive day to fly to San Francisco is Saturday, with ticket prices averaging around $1,219.

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

Our data shows that the cheapest Bilbao to San Francisco flights are usually those with departure times in the afternoon. Our users have found flights to San Francisco in the afternoon for as low as $809. Flights in the morning are often more expensive with an average ticket price of $931.

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 $641 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 $468 on momondo.

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

As of November 2025, prices for Bilbao to San Francisco flights are approximately 88% 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

Direct flights

None
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 55m 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
9,017 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
Calistoga
Hayward
Big Sur
Santa Clara
Daly City
Fremont
Berkeley
Vallejo
Walnut Creek
Half Moon Bay
Salinas
Livermore
Turlock
South San Francisco

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.

An easier way to manage your San Francisco trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 12/13
Sat 12/20
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States