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Cheap flights from San Francisco to Bilbao from $255

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.
TAP AIR PORTUGAL Logo
4:35 pm - 5:55 pmSFO  San Francisco-BIO Bilbao
16h 20m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
7:20 pm - 2:45 pmBIO  Bilbao-SFO San Francisco
28h 25m1 stop Lisbon Humberto Delgado
$599TAP AIR PORTUGAL
Sat, Nov 28 - Fri, Dec 11
TAP AIR PORTUGAL Logo
4:35 pm - 5:55 pmSFO  San Francisco-BIO Bilbao
16h 20m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
6:40 pm - 2:25 pmBIO  Bilbao-SFO San Francisco
28h 45m1 stop Lisbon Humberto Delgado
$611TAP AIR PORTUGAL
Sat, Dec 5 - Sun, Dec 13
TAP AIR PORTUGAL Logo
4:35 pm - 5:55 pmSFO  San Francisco-BIO Bilbao
16h 20m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
6:40 pm - 2:25 pmBIO  Bilbao-SFO San Francisco
28h 45m1 stop Lisbon Humberto Delgado
$632TAP AIR PORTUGAL
Sat, Jan 9 - Sun, Jan 24
United Airlines Logo
10:35 pm - 11:10 amSFO  San Francisco-BIO Bilbao
27h 35m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss
United Airlines Logo
6:50 am - 3:25 pmBIO  Bilbao-SFO San Francisco
17h 35m1 stop Frankfurt am Main
$714United Airlines
Sun, Apr 18 - Thu, Apr 22
United Airlines Logo
1:40 pm - 5:45 pmSFO  San Francisco-BIO Bilbao
19h 05m1 stop Munich Franz Josef Strauss
United Airlines Logo
6:45 am - 12:35 pmBIO  Bilbao-SFO San Francisco
14h 50m1 stop Frankfurt am Main
$719United Airlines
Wed, Jan 27 - Tue, Feb 2
United Airlines Logo
7:20 pm - 11:00 pmSFO  San Francisco-BIO Bilbao
18h 40m1 stop Frankfurt am Main
United Airlines Logo
6:50 am - 7:55 pmBIO  Bilbao-SFO San Francisco
22h 05m1 stop Frankfurt am Main
$721United Airlines
Sun, Apr 18 - Thu, Apr 22
Lufthansa Logo
9:40 pm - 9:55 pmSFO  San Francisco-BIO Bilbao
15h 15m1 stop Munich Franz Josef Strauss
Lufthansa Logo
7:30 am - 7:35 pmBIO  Bilbao-SFO San Francisco
21h 05m1 stop Munich Franz Josef Strauss
$746Lufthansa
Wed, Dec 2 - Wed, Dec 9
Lufthansa Logo
8:05 pm - 11:25 pmSFO  San Francisco-BIO Bilbao
18h 20m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:50 am - 12:40 pmBIO  Bilbao-SFO San Francisco
14h 50m1 stop Frankfurt am Main
$747Lufthansa
Sun, Apr 18 - Sun, May 2
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
$776KLM
Mon, Jan 11 - Wed, Jan 20
KLM Logo
12:17 pm - 4:30 pmSFO  San Francisco-BIO Bilbao
19h 13m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
KLM Logo
6:50 am - 11:45 amBIO  Bilbao-SFO San Francisco
13h 55m1 stop Amsterdam Schiphol
$783KLM
Wed, Dec 2 - Wed, Dec 9

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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
Apr 18
SFO10:35 pmSan Francisco
27h 35m
2 stops
BIO11:10 amBilbao
Apr 22
BIO6:50 amBilbao
17h 35m
1 stop
SFO3:25 pmSan Francisco
$714
United Airlines
Jan 27
SFO1:40 pmSan Francisco
19h 05m
1 stop
BIO5:45 pmBilbao
Feb 2
BIO6:45 amBilbao
14h 50m
1 stop
SFO12:35 pmSan Francisco
$719
United Airlines
Jan 27
SFO9:40 pmSan Francisco
15h 15m
1 stop
BIO9:55 pmBilbao
Jan 29
BIO11:45 amBilbao
16h 50m
1 stop
SFO7:35 pmSan Francisco
$721

TAP AIR PORTUGAL flights from San Francisco to Bilbao

Our best TAP AIR PORTUGAL deals on San Francisco to Bilbao flight tickets
TAP AIR PORTUGAL
Nov 28
SFO4:35 pmSan Francisco
16h 20m
1 stop
BIO5:55 pmBilbao
Dec 11
BIO7:20 pmBilbao
28h 25m
1 stop
SFO2:45 pmSan Francisco
$599
TAP AIR PORTUGAL
Dec 5
SFO4:35 pmSan Francisco
16h 20m
1 stop
BIO5:55 pmBilbao
Dec 13
BIO6:40 pmBilbao
28h 45m
1 stop
SFO2:25 pmSan Francisco
$611
TAP AIR PORTUGAL
Jan 9
SFO4:35 pmSan Francisco
16h 20m
1 stop
BIO5:55 pmBilbao
Jan 24
BIO6:40 pmBilbao
28h 45m
1 stop
SFO2:25 pmSan Francisco
$632

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

Sat 11/28

4:35 pm-5:55 pm

1 stop16h 20m

Bilbao

Fri 12/11

7:20 pm-2:45 pm

1 stop28h 25m

$599

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Sat 12/5

4:35 pm-5:55 pm

1 stop16h 20m

Bilbao

Sun 12/13

6:40 pm-2:25 pm

1 stop28h 45m

$611

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Sat 1/9

4:35 pm-5:55 pm

1 stop16h 20m

Bilbao

Sun 1/24

6:40 pm-2:25 pm

1 stop28h 45m

$632

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Sun 4/18

10:35 pm-11:10 am

2 stops27h 35m

Bilbao

Thu 4/22

6:50 am-3:25 pm

1 stop17h 35m

$714

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Wed 1/27

1:40 pm-5:45 pm

1 stop19h 05m

Bilbao

Tue 2/2

6:45 am-12:35 pm

1 stop14h 50m

$719

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Sun 4/18

7:20 pm-11:00 pm

1 stop18h 40m

Bilbao

Thu 4/22

6:50 am-7:55 pm

1 stop22h 05m

$721

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Wed 12/2

9:40 pm-9:55 pm

1 stop15h 15m

Bilbao

Wed 12/9

7:30 am-7:35 pm

1 stop21h 05m

$746

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Sun 4/18

8:05 pm-11:25 pm

1 stop18h 20m

Bilbao

Sun 5/2

6:50 am-12:40 pm

1 stop14h 50m

$747

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Mon 1/11

3:10 pm-10:30 pm

1 stop22h 20m

Bilbao

Wed 1/20

6:50 am-11:45 am

1 stop13h 55m

$776
Quickest round-trip

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Wed 12/2

12:17 pm-4:30 pm

2 stops19h 13m

Bilbao

Wed 12/9

6:50 am-11:45 am

1 stop13h 55m

$783

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 $625 to $1,039.
The lowest price recently found on this route was $599.

What is the cheapest month to fly to Bilbao?

The cheapest month to fly to Bilbao from San Francisco is in January. Flight prices, which tend to average around $662, are often lower during this time because this is during the off-season. If you’re not able to fly to Bilbao in January, then March is your next best option. Flight prices from San Francisco to Bilbao during March average around $697.

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

You could potentially save up to 29% 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 October 2026, prices for San Francisco to Bilbao flights are approximately 29% 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

$255

Fastest flight time

15h 15m

Direct flights

None
The best one-way flight to Bilbao from San Francisco in the past 72 hours is $255. The best round-trip flight deal from San Francisco to Bilbao found on momondo in the last 72 hours is $599.
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
LufthansaPriceFrom $526Free CancellationRating
6.8
8,298 reviews
Search Lufthansa flights
United AirlinesPriceFrom $527Free CancellationRating
7.3
10,451 reviews
Search United Airlines flights
KLMPriceFrom $631Free CancellationRating
7.8
1,595 reviews
Search KLM 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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