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Cheap flights from San Francisco to Bilbao from $318

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 12/8. 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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0 bags

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Find the cheapest flights from San Francisco to Bilbao

Cheap round-trip flights

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Lufthansa Logo
9:40 pm - 9:55 pmSFO-BIO
15h 15m1 stop
Lufthansa Logo
6:45 am - 12:40 pmBIO-SFO
14h 55m1 stop
$478Lufthansa
Find Deal
Tue, Nov 18 - Tue, Nov 25
Lufthansa Logo
9:40 pm - 9:55 pmSFO-BIO
15h 15m1 stop
Lufthansa Logo
11:35 am - 7:35 pmBIO-SFO
17h 00m1 stop
$484Lufthansa
Find Deal
Tue, Nov 18 - Wed, Jan 21
Lufthansa Logo
9:40 pm - 9:55 pmSFO-BIO
15h 15m1 stop
Lufthansa Logo
11:35 am - 7:35 pmBIO-SFO
17h 00m1 stop
$502Lufthansa
Find Deal
Tue, Nov 18 - Wed, Jan 21
Multiple Airlines Logo
9:40 pm - 9:55 pmSFO-BIO
15h 15m1 stop
Multiple Airlines Logo
12:50 pm - 10:54 amBIO-SFO
31h 04m2 stops
$506Multiple Airlines
Find Deal
Tue, Nov 18 - Wed, Jan 21
Multiple Airlines Logo
9:40 pm - 9:55 pmSFO-BIO
15h 15m1 stop
Multiple Airlines Logo
12:50 pm - 10:54 amBIO-SFO
31h 04m2 stops
$507Multiple Airlines
Find Deal
Tue, Nov 18 - Wed, Jan 21
Multiple Airlines Logo
9:40 pm - 9:55 pmSFO-BIO
15h 15m1 stop
Multiple Airlines Logo
12:50 pm - 10:54 amBIO-SFO
31h 04m2 stops
$514Multiple Airlines
Find Deal
Tue, Nov 18 - Tue, Nov 25
United Airlines Logo
12:43 am - 12:50 pmSFO-BIO
27h 07m3 stops
United Airlines Logo
11:35 am - 7:35 pmBIO-SFO
17h 00m1 stop
$533United Airlines
Find Deal
Mon, Nov 17 - Wed, Jan 21
United Airlines Logo
9:40 pm - 9:55 pmSFO-BIO
15h 15m1 stop
United Airlines Logo
12:50 pm - 12:40 pmBIO-SFO
32h 50m1 stop
$543United Airlines
Find Deal
Tue, Nov 25 - Tue, Dec 2
KLM Logo
3:40 pm - 5:20 pmSFO-BIO
16h 40m1 stop
KLM Logo
5:20 pm - 11:50 amBIO-SFO
27h 30m1 stop
$575KLM
Find Deal
Thu, Feb 12 - Mon, Feb 16
Iberia Logo
12:50 am - 8:30 amSFO-BIO
22h 40m2 stops
Iberia Logo
9:35 pm - 9:16 amBIO-SFO
20h 41m2 stops
$610Iberia
Find Deal
Wed, Feb 11 - Mon, Feb 16

Lufthansa flights from San Francisco to Bilbao

Our best Lufthansa deals on San Francisco to Bilbao flight tickets
Lufthansa
Nov 18
SFO9:40 pmSan Francisco
15h 15m
1 stop
BIO9:55 pmBilbao
Nov 25
BIO6:45 amBilbao
14h 55m
1 stop
SFO12:40 pmSan Francisco
$478
Find similar
Lufthansa
Nov 18
SFO9:40 pmSan Francisco
15h 15m
1 stop
BIO9:55 pmBilbao
Jan 21
BIO11:35 amBilbao
17h 00m
1 stop
SFO7:35 pmSan Francisco
$484
Find similar
Lufthansa
Nov 18
SFO9:40 pmSan Francisco
15h 15m
1 stop
BIO9:55 pmBilbao
Jan 21
BIO11:35 amBilbao
17h 00m
1 stop
SFO7:35 pmSan Francisco
$502
Find similar

United Airlines flights from San Francisco to Bilbao

Our best United Airlines deals on San Francisco to Bilbao flight tickets
United Airlines
Nov 17
SFO12:43 amSan Francisco
27h 07m
3 stops
BIO12:50 pmBilbao
Jan 21
BIO11:35 amBilbao
17h 00m
1 stop
SFO7:35 pmSan Francisco
$533
Find similar
United Airlines
Nov 25
SFO9:40 pmSan Francisco
15h 15m
1 stop
BIO9:55 pmBilbao
Dec 2
BIO12:50 pmBilbao
32h 50m
1 stop
SFO12:40 pmSan Francisco
$543
Find similar
United Airlines
Nov 17
SFO12:43 amSan Francisco
27h 07m
3 stops
BIO12:50 pmBilbao
Jan 21
BIO11:35 amBilbao
20h 25m
2 stops
SFO11:00 pmSan Francisco
$544
Find similar

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 November 5, 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

Tue 11/18

9:40 pm-9:55 pm

1 stop15h 15m

Bilbao

Tue 11/25

6:45 am-12:40 pm

1 stop14h 55m

$478

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 11/18

9:40 pm-9:55 pm

1 stop15h 15m

Bilbao

Wed 1/21

11:35 am-7:35 pm

1 stop17h 00m

$484

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 11/18

9:40 pm-9:55 pm

1 stop15h 15m

Bilbao

Wed 1/21

11:35 am-7:35 pm

1 stop17h 00m

$502

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 11/18

9:40 pm-9:55 pm

1 stop15h 15m

Bilbao

Wed 1/21

12:50 pm-10:54 am

2 stops31h 04m

$506

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 11/18

9:40 pm-9:55 pm

1 stop15h 15m

Bilbao

Wed 1/21

12:50 pm-10:54 am

2 stops31h 04m

$507

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 11/18

9:40 pm-9:55 pm

1 stop15h 15m

Bilbao

Tue 11/25

12:50 pm-10:54 am

2 stops31h 04m

$514

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Mon 11/17

12:43 am-12:50 pm

3 stops27h 07m

Bilbao

Wed 1/21

11:35 am-7:35 pm

1 stop17h 00m

$533

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 11/25

9:40 pm-9:55 pm

1 stop15h 15m

Bilbao

Tue 12/2

12:50 pm-12:40 pm

1 stop32h 50m

$543

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Thu 2/12

3:40 pm-5:20 pm

1 stop16h 40m

Bilbao

Mon 2/16

5:20 pm-11:50 am

1 stop27h 30m

$575

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Wed 2/11

12:50 am-8:30 am

2 stops22h 40m

Bilbao

Mon 2/16

9:35 pm-9:16 am

2 stops20h 41m

$610

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 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 October. Flight prices, which tend to average around $572, are often lower during this time because this is during the off-season. If you’re not able to fly to Bilbao in October, then November is your next best option. Flight prices from San Francisco to Bilbao during November average around $625.

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 $822 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 $678 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.
Search flight deals

  • 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 15m, 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
0.0
Search LEVEL flights
SWISSPriceFrom $447Free CancellationRating
7.5
1,777 reviews
Search SWISS flights
KLMPriceFrom $470Free CancellationRating
7.7
1,405 reviews
Search KLM flights
LufthansaPriceFrom $472Free CancellationRating
6.8
7,553 reviews
Search Lufthansa flights
IberiaPriceFrom $589Free CancellationRating
7.0
3,007 reviews
Search Iberia flights
United AirlinesPriceFrom $610Free CancellationRating
7.4
9,000 reviews
Search United Airlines flights
DeltaPriceFrom $675Free CancellationRating
7.9
8,004 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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