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Cheap flights from Bilbao to San Francisco from $417

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 10/26. 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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Find the cheapest flights from Bilbao to San Francisco

Cheap round-trip flights

TAP AIR PORTUGAL Logo
6:40 pm - 3:30 pmBIO-SFO
28h 50m1 stop
TAP AIR PORTUGAL Logo
4:35 pm - 5:55 pmSFO-BIO
16h 20m1 stop
$433TAP AIR PORTUGAL
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Tue, Oct 28 - Sat, Nov 8
Finnair Logo
6:45 am - 4:10 pmBIO-SFO
18h 25m1 stop
Finnair Logo
6:20 pm - 11:15 pmSFO-BIO
19h 55m1 stop
$487Finnair
Find Deal
Thu, Sep 11 - Wed, Sep 24
Finnair Logo
6:45 am - 11:59 pmBIO-SFO
26h 14m2 stops
Finnair Logo
6:20 pm - 11:15 pmSFO-BIO
19h 55m1 stop
$492Finnair
Find Deal
Thu, Sep 11 - Wed, Sep 24
American Airlines Logo
9:15 am - 8:55 pmBIO-SFO
20h 40m2 stops
American Airlines Logo
2:01 pm - 4:55 pmSFO-BIO
17h 54m2 stops
$514American Airlines
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Thu, Oct 16 - Mon, Oct 20
American Airlines Logo
6:45 am - 4:10 pmBIO-SFO
18h 25m1 stop
American Airlines Logo
2:22 pm - 4:55 pmSFO-BIO
17h 33m2 stops
$518American Airlines
Find Deal
Thu, Sep 11 - Wed, Sep 24
Iberia Logo
9:15 am - 4:10 pmBIO-SFO
15h 55m1 stop
Iberia Logo
6:20 pm - 8:30 amSFO-BIO
29h 10m1 stop
$531Iberia
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Thu, Sep 11 - Wed, Sep 24
Iberia Logo
7:55 pm - 6:10 pmBIO-SFO
31h 15m1 stop
Iberia Logo
10:16 am - 12:50 pmSFO-BIO
18h 34m2 stops
$536Iberia
Find Deal
Sat, Oct 18 - Sat, Nov 1
United Airlines Logo
12:50 pm - 8:10 pmBIO-SFO
16h 20m1 stop
United Airlines Logo
9:40 pm - 11:05 pmSFO-BIO
16h 25m1 stop
$576United Airlines
Find Deal
Sat, Nov 15 - Sat, Nov 29
United Airlines Logo
6:45 am - 12:40 pmBIO-SFO
14h 55m1 stop
United Airlines Logo
9:15 pm - 10:45 amSFO-BIO
28h 30m1 stop
$588United Airlines
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Thu, Sep 18 - Mon, Sep 22
Lufthansa Logo
6:45 am - 12:40 pmBIO-SFO
14h 55m1 stop
Lufthansa Logo
10:40 pm - 11:05 pmSFO-BIO
16h 25m1 stop
$602Lufthansa
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Fri, Oct 17 - Fri, Oct 31

Iberia flights from Bilbao to San Francisco

Our best Iberia deals on Bilbao to San Francisco flight tickets
Iberia
Sep 11
BIO9:15 amBilbao
15h 55m
1 stop
SFO4:10 pmSan Francisco
Sep 24
SFO6:20 pmSan Francisco
29h 10m
1 stop
BIO8:30 amBilbao
$531
Find similar
Iberia
Oct 18
BIO7:55 pmBilbao
31h 15m
1 stop
SFO6:10 pmSan Francisco
Nov 1
SFO10:16 amSan Francisco
18h 34m
2 stops
BIO12:50 pmBilbao
$536
Find similar
Iberia
Sep 11
BIO1:30 pmBilbao
19h 45m
2 stops
SFO12:15 amSan Francisco
Sep 24
SFO6:20 pmSan Francisco
29h 10m
1 stop
BIO8:30 amBilbao
$537
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Lufthansa flights from Bilbao to San Francisco

Our best Lufthansa deals on Bilbao to San Francisco flight tickets
Lufthansa
Oct 17
BIO6:45 amBilbao
14h 55m
1 stop
SFO12:40 pmSan Francisco
Oct 31
SFO10:40 pmSan Francisco
16h 25m
1 stop
BIO11:05 pmBilbao
$602
Find similar
Lufthansa
Aug 11
BIO7:10 pmBilbao
26h 30m
1 stop
SFO12:40 pmSan Francisco
Aug 28
SFO9:05 pmSan Francisco
17h 20m
1 stop
BIO11:25 pmBilbao
$1,090
Find similar
Lufthansa
Aug 11
BIO7:10 pmBilbao
26h 30m
1 stop
SFO12:40 pmSan Francisco
Aug 28
SFO9:05 pmSan Francisco
17h 20m
1 stop
BIO11:25 pmBilbao
$1,094
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 July 31, 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 10/28

6:40 pm-3:30 pm

1 stop28h 50m

San Francisco

Sat 11/8

4:35 pm-5:55 pm

1 stop16h 20m

$433

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Thu 9/11

6:45 am-4:10 pm

1 stop18h 25m

San Francisco

Wed 9/24

6:20 pm-11:15 pm

1 stop19h 55m

$487

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Thu 9/11

6:45 am-11:59 pm

2 stops26h 14m

San Francisco

Wed 9/24

6:20 pm-11:15 pm

1 stop19h 55m

$492

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Thu 10/16

9:15 am-8:55 pm

2 stops20h 40m

San Francisco

Mon 10/20

2:01 pm-4:55 pm

2 stops17h 54m

$514

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Thu 9/11

6:45 am-4:10 pm

1 stop18h 25m

San Francisco

Wed 9/24

2:22 pm-4:55 pm

2 stops17h 33m

$518

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Thu 9/11

9:15 am-4:10 pm

1 stop15h 55m

San Francisco

Wed 9/24

6:20 pm-8:30 am

1 stop29h 10m

$531

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Sat 10/18

7:55 pm-6:10 pm

1 stop31h 15m

San Francisco

Sat 11/1

10:16 am-12:50 pm

2 stops18h 34m

$536

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Sat 11/15

12:50 pm-8:10 pm

1 stop16h 20m

San Francisco

Sat 11/29

9:40 pm-11:05 pm

1 stop16h 25m

$576

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Thu 9/18

6:45 am-12:40 pm

1 stop14h 55m

San Francisco

Mon 9/22

9:15 pm-10:45 am

1 stop28h 30m

$588

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

Fri 10/17

6:45 am-12:40 pm

1 stop14h 55m

San Francisco

Fri 10/31

10:40 pm-11:05 pm

1 stop16h 25m

$602

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 $450.

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 $636 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 $470 on momondo.

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

As of July 2025, prices for Bilbao to San Francisco flights are approximately 19% 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

Best Price Found

$417

Fastest flight time

14h 40m

Direct flights

None

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from Bilbao in the past 72 hours is $417. The best round-trip flight deal from Bilbao to San Francisco found on momondo in the last 72 hours is $433.
The fastest flight from Bilbao to San Francisco takes 14h 40m
There are no direct flights from Bilbao to San Francisco. Popular non-direct route for this connection is Bilbao Airport - San Francisco Airport.
There is 1 airport near San Francisco: San Francisco (SFO)
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  • 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 40m 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
KLMPriceFrom $397Free CancellationRating
7.8
1,383 reviews
Search KLM flights
United AirlinesPriceFrom $538Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
LufthansaPriceFrom $596Free CancellationRating
6.8
7,275 reviews
Search Lufthansa 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
Calistoga
Hayward
Bodega Bay
Sonoma
Roseville
Santa Clara
Big Sur
Daly City
Berkeley
Walnut Creek
Fremont
Half Moon Bay
South San Francisco
Redwood City
Vallejo
Sunnyvale
Pacific Grove

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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