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Cheap flights from San Francisco to Bilbao from $399

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Francisco to Bilbao

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:45 pm - 9:55 pmSFO  San Francisco-BIO Bilbao
20h 10m2 stops Kastrup Copenhagen London Heathrow
Multiple Airlines Logo
1:45 pm - 2:50 pmBIO  Bilbao-SFO San Francisco
34h 05m2 stops London Heathrow Kastrup Copenhagen
$588Multiple Airlines
Tue, Nov 3 - Tue, Nov 10
SWISS Logo
7:35 pm - 8:05 pmSFO  San Francisco-BIO Bilbao
15h 30m1 stop Zurich
SWISS Logo
8:55 pm - 4:15 pmBIO  Bilbao-SFO San Francisco
28h 20m1 stop Zurich
$591SWISS
Mon, Oct 5 - Tue, Oct 20
SWISS Logo
7:35 pm - 8:05 pmSFO  San Francisco-BIO Bilbao
15h 30m1 stop Zurich
SWISS Logo
8:55 pm - 4:15 pmBIO  Bilbao-SFO San Francisco
28h 20m1 stop Zurich
$596SWISS
Mon, Oct 5 - Tue, Oct 20
Multiple Airlines Logo
9:40 pm - 11:10 pmSFO  San Francisco-BIO Bilbao
16h 30m1 stop Munich Franz Josef Strauss
Multiple Airlines Logo
1:35 pm - 4:30 pmBIO  Bilbao-SFO San Francisco
35h 55m1 stop Zurich
$604Multiple Airlines
Mon, Jan 4 - Tue, Jan 19
Lufthansa Logo
9:40 pm - 9:55 pmSFO  San Francisco-BIO Bilbao
15h 15m1 stop Munich Franz Josef Strauss
Lufthansa Logo
11:45 am - 7:35 pmBIO  Bilbao-SFO San Francisco
16h 50m1 stop Munich Franz Josef Strauss
$608Lufthansa
Tue, Nov 3 - Tue, Nov 10
Lufthansa Logo
9:40 pm - 11:10 pmSFO  San Francisco-BIO Bilbao
16h 30m1 stop Munich Franz Josef Strauss
Lufthansa Logo
7:30 am - 7:35 pmBIO  Bilbao-SFO San Francisco
21h 05m1 stop Munich Franz Josef Strauss
$612Lufthansa
Mon, Jan 4 - Tue, Jan 19
United Airlines Logo
7:00 am - 11:10 pmSFO  San Francisco-BIO Bilbao
31h 10m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss
United Airlines Logo
7:30 am - 2:50 pmBIO  Bilbao-SFO San Francisco
16h 20m1 stop Munich Franz Josef Strauss
$620United Airlines
Mon, Jan 4 - Tue, Jan 19
United Airlines Logo
9:40 pm - 11:10 pmSFO  San Francisco-BIO Bilbao
16h 30m1 stop Munich Franz Josef Strauss
United Airlines Logo
6:45 am - 4:37 pmBIO  Bilbao-SFO San Francisco
18h 52m2 stops Frankfurt am Main Los Angeles
$634United Airlines
Mon, Jan 4 - Tue, Jan 19
KLM Logo
3:10 pm - 10:30 pmSFO  San Francisco-BIO Bilbao
22h 20m1 stop Paris Charles de Gaulle
KLM Logo
6:50 am - 11:45 amBIO  Bilbao-SFO San Francisco
13h 55m1 stop Amsterdam Schiphol
$1,673KLM
Fri, Nov 20 - Sat, Nov 28
KLM Logo
3:10 pm - 10:30 pmSFO  San Francisco-BIO Bilbao
22h 20m1 stop Paris Charles de Gaulle
KLM Logo
6:50 am - 11:45 amBIO  Bilbao-SFO San Francisco
13h 55m1 stop Amsterdam Schiphol
$1,797KLM
Fri, Nov 20 - Mon, Nov 30

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United Airlines flights from San Francisco to Bilbao

Our best United Airlines deals on San Francisco to Bilbao flight tickets
United Airlines
Jan 4
SFO7:00 amSan Francisco
31h 10m
2 stops
BIO11:10 pmBilbao
Jan 19
BIO7:30 amBilbao
16h 20m
1 stop
SFO2:50 pmSan Francisco
$620
United Airlines
Jan 4
SFO9:40 pmSan Francisco
16h 30m
1 stop
BIO11:10 pmBilbao
Jan 19
BIO6:45 amBilbao
18h 52m
2 stops
SFO4:37 pmSan Francisco
$634
United Airlines
Jan 4
SFO7:00 amSan Francisco
31h 10m
2 stops
BIO11:10 pmBilbao
Jan 19
BIO6:45 amBilbao
18h 52m
2 stops
SFO4:37 pmSan Francisco
$639

Lufthansa flights from San Francisco to Bilbao

Our best Lufthansa deals on San Francisco to Bilbao flight tickets
Lufthansa
Nov 3
SFO9:40 pmSan Francisco
15h 15m
1 stop
BIO9:55 pmBilbao
Nov 10
BIO11:45 amBilbao
16h 50m
1 stop
SFO7:35 pmSan Francisco
$608
Lufthansa
Jan 4
SFO9:40 pmSan Francisco
16h 30m
1 stop
BIO11:10 pmBilbao
Jan 19
BIO7:30 amBilbao
21h 05m
1 stop
SFO7:35 pmSan Francisco
$612
Lufthansa
Oct 29
SFO10:40 pmSan Francisco
15h 15m
1 stop
BIO9:55 pmBilbao
Nov 6
BIO11:45 amBilbao
16h 50m
1 stop
SFO7:35 pmSan Francisco
$645

momondo Fare Finder

 
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

Cheapest round-trip

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Tue 11/3

4:45 pm-9:55 pm

2 stops20h 10m

Bilbao

Tue 11/10

1:45 pm-2:50 pm

2 stops34h 05m

$588

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Mon 10/5

7:35 pm-8:05 pm

1 stop15h 30m

Bilbao

Tue 10/20

8:55 pm-4:15 pm

1 stop28h 20m

$591

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Mon 10/5

7:35 pm-8:05 pm

1 stop15h 30m

Bilbao

Tue 10/20

8:55 pm-4:15 pm

1 stop28h 20m

$596

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Mon 1/4

9:40 pm-11:10 pm

1 stop16h 30m

Bilbao

Tue 1/19

1:35 pm-4:30 pm

1 stop35h 55m

$604
Quickest round-trip

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Tue 11/3

9:40 pm-9:55 pm

1 stop15h 15m

Bilbao

Tue 11/10

11:45 am-7:35 pm

1 stop16h 50m

$608

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Mon 1/4

9:40 pm-11:10 pm

1 stop16h 30m

Bilbao

Tue 1/19

7:30 am-7:35 pm

1 stop21h 05m

$612

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Mon 1/4

7:00 am-11:10 pm

2 stops31h 10m

Bilbao

Tue 1/19

7:30 am-2:50 pm

1 stop16h 20m

$620

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Mon 1/4

9:40 pm-11:10 pm

1 stop16h 30m

Bilbao

Tue 1/19

6:45 am-4:37 pm

2 stops18h 52m

$634

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Fri 11/20

3:10 pm-10:30 pm

1 stop22h 20m

Bilbao

Sat 11/28

6:50 am-11:45 am

1 stop13h 55m

$1,673

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Fri 11/20

3:10 pm-10:30 pm

1 stop22h 20m

Bilbao

Mon 11/30

6:50 am-11:45 am

1 stop13h 55m

$1,797

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 typical price of a round-trip flight between San Francisco and Bilbao?

Prices are currently low for flights on this route.

Typical prices usually range from $626 to $950.
The lowest price recently found on this route was $588.

What is the cheapest month to fly to Bilbao?

The cheapest month to fly to Bilbao from San Francisco is in November. Flight prices, which tend to average around $625, are often lower during this time because this is during the off-season. If you’re not able to fly to Bilbao in November, then October is your next best option. Flight prices from San Francisco to Bilbao during October average around $642.

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

You could potentially save up to 14% on your flight if you consider stops on a San Francisco to Bilbao flight.

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

As of September 2026, prices for San Francisco to Bilbao flights are approximately 39% more expensive when compared to flights at the same time last year.

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

Best Price Found

$399

Fastest flight time

15h 15m

Direct flights

None
The best one-way flight to Bilbao from San Francisco in the past 72 hours is $399. The best round-trip flight deal from San Francisco to Bilbao found on momondo in the last 72 hours is $588.
The fastest flight from San Francisco to Bilbao takes 15h 15m
There are no direct flights from San Francisco to Bilbao. There are no popular flight routes from San Francisco to Bilbao.
Search flight deals

Frequently asked questions about flying from San Francisco to Bilbao

  • How far is San Francisco to Bilbao by plane?

    There are 5671.5 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
KLMPriceFrom $470Free CancellationRating
7.8
1,576 reviews
Search KLM flights
LufthansaPriceFrom $484Free CancellationRating
6.8
8,234 reviews
Search Lufthansa flights
SWISSPriceFrom $506Free CancellationRating
7.5
2,082 reviews
Search SWISS flights
United AirlinesPriceFrom $572Free CancellationRating
7.4
10,233 reviews
Search United Airlines 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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