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Cheap flights from San Francisco to Bilbao from $356

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
4:30 pm - 11:40 amSFO  San Francisco-BIO Bilbao
34h 10m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
6:50 pm - 2:35 pmBIO  Bilbao-SFO San Francisco
28h 45m1 stop Lisbon Humberto Delgado
$628TAP AIR PORTUGAL
Mon, Oct 5 - Tue, Oct 20
TAP AIR PORTUGAL Logo
4:20 pm - 11:30 amSFO  San Francisco-BIO Bilbao
34h 10m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
6:50 pm - 2:35 pmBIO  Bilbao-SFO San Francisco
28h 45m1 stop Lisbon Humberto Delgado
$638TAP AIR PORTUGAL
Tue, Oct 6 - Tue, Oct 20
TAP AIR PORTUGAL Logo
4:30 pm - 11:40 amSFO  San Francisco-BIO Bilbao
34h 10m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
6:50 pm - 2:35 pmBIO  Bilbao-SFO San Francisco
28h 45m1 stop Lisbon Humberto Delgado
$638TAP AIR PORTUGAL
Mon, Oct 5 - Tue, Oct 20
TAP AIR PORTUGAL Logo
4:30 pm - 6:00 pmSFO  San Francisco-BIO Bilbao
16h 30m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
12:10 pm - 4:05 pmBIO  Bilbao-SFO San Francisco
36h 55m1 stop Lisbon Humberto Delgado
$641TAP AIR PORTUGAL
Mon, Sep 21 - Thu, Nov 5
United Airlines Logo
1:40 pm - 9:55 pmSFO  San Francisco-BIO Bilbao
23h 15m1 stop Munich Franz Josef Strauss
United Airlines Logo
6:45 am - 4:05 pmBIO  Bilbao-SFO San Francisco
18h 20m1 stop Frankfurt am Main
$759United Airlines
Sun, Nov 22 - Thu, Nov 26
United Airlines Logo
1:40 pm - 9:55 pmSFO  San Francisco-BIO Bilbao
23h 15m1 stop Munich Franz Josef Strauss
United Airlines Logo
6:45 am - 12:35 pmBIO  Bilbao-SFO San Francisco
14h 50m1 stop Frankfurt am Main
$759United Airlines
Sun, Nov 22 - Fri, Nov 27
United Airlines Logo
9:40 pm - 9:55 pmSFO  San Francisco-BIO Bilbao
15h 15m1 stop Munich Franz Josef Strauss
United Airlines Logo
7:30 am - 2:50 pmBIO  Bilbao-SFO San Francisco
16h 20m1 stop Munich Franz Josef Strauss
$760United Airlines
Sun, Nov 22 - Wed, Nov 25
Lufthansa Logo
9:40 pm - 9:55 pmSFO  San Francisco-BIO Bilbao
15h 15m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:45 am - 12:35 pmBIO  Bilbao-SFO San Francisco
14h 50m1 stop Frankfurt am Main
$773Lufthansa
Wed, Feb 10 - Sat, Feb 20
Lufthansa Logo
9:40 pm - 11:10 pmSFO  San Francisco-BIO Bilbao
16h 30m1 stop Munich Franz Josef Strauss
Lufthansa Logo
11:45 am - 7:35 pmBIO  Bilbao-SFO San Francisco
16h 50m1 stop Munich Franz Josef Strauss
$774Lufthansa
Mon, Jan 11 - Sat, Jan 23
Lufthansa Logo
9:05 pm - 11:25 pmSFO  San Francisco-BIO Bilbao
17h 20m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:50 am - 12:40 pmBIO  Bilbao-SFO San Francisco
14h 50m1 stop Frankfurt am Main
$775Lufthansa
Mon, Oct 5 - Tue, Oct 20

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Lufthansa flights from San Francisco to Bilbao

Our best Lufthansa deals on San Francisco to Bilbao flight tickets
Lufthansa
Jan 11
SFO9:40 pmSan Francisco
16h 30m
1 stop
BIO11:10 pmBilbao
Jan 23
BIO11:45 amBilbao
16h 50m
1 stop
SFO7:35 pmSan Francisco
$774
Lufthansa
Jan 11
SFO9:40 pmSan Francisco
16h 30m
1 stop
BIO11:10 pmBilbao
Jan 23
BIO11:45 amBilbao
16h 50m
1 stop
SFO7:35 pmSan Francisco
$775
Lufthansa
Oct 4
SFO9:05 pmSan Francisco
17h 20m
1 stop
BIO11:25 pmBilbao
Oct 14
BIO6:50 amBilbao
14h 50m
1 stop
SFO12:40 pmSan Francisco
$776

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
Oct 5
SFO4:30 pmSan Francisco
34h 10m
1 stop
BIO11:40 amBilbao
Oct 20
BIO6:50 pmBilbao
28h 45m
1 stop
SFO2:35 pmSan Francisco
$628
TAP AIR PORTUGAL
Oct 5
SFO4:30 pmSan Francisco
34h 10m
1 stop
BIO11:40 amBilbao
Oct 20
BIO6:50 pmBilbao
28h 45m
1 stop
SFO2:35 pmSan Francisco
$638
TAP AIR PORTUGAL
Sep 21
SFO4:30 pmSan Francisco
16h 30m
1 stop
BIO6:00 pmBilbao
Nov 5
BIO12:10 pmBilbao
36h 55m
1 stop
SFO4:05 pmSan Francisco
$641

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

Mon 10/5

4:30 pm-11:40 am

1 stop34h 10m

Bilbao

Tue 10/20

6:50 pm-2:35 pm

1 stop28h 45m

$628

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Tue 10/6

4:20 pm-11:30 am

1 stop34h 10m

Bilbao

Tue 10/20

6:50 pm-2:35 pm

1 stop28h 45m

$638

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Mon 10/5

4:30 pm-11:40 am

1 stop34h 10m

Bilbao

Tue 10/20

6:50 pm-2:35 pm

1 stop28h 45m

$638

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Mon 9/21

4:30 pm-6:00 pm

1 stop16h 30m

Bilbao

Thu 11/5

12:10 pm-4:05 pm

1 stop36h 55m

$641

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Sun 11/22

1:40 pm-9:55 pm

1 stop23h 15m

Bilbao

Thu 11/26

6:45 am-4:05 pm

1 stop18h 20m

$759

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Sun 11/22

1:40 pm-9:55 pm

1 stop23h 15m

Bilbao

Fri 11/27

6:45 am-12:35 pm

1 stop14h 50m

$759

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Sun 11/22

9:40 pm-9:55 pm

1 stop15h 15m

Bilbao

Wed 11/25

7:30 am-2:50 pm

1 stop16h 20m

$760
Quickest round-trip

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Wed 2/10

9:40 pm-9:55 pm

1 stop15h 15m

Bilbao

Sat 2/20

6:45 am-12:35 pm

1 stop14h 50m

$773

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Mon 1/11

9:40 pm-11:10 pm

1 stop16h 30m

Bilbao

Sat 1/23

11:45 am-7:35 pm

1 stop16h 50m

$774

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Mon 10/5

9:05 pm-11:25 pm

1 stop17h 20m

Bilbao

Tue 10/20

6:50 am-12:40 pm

1 stop14h 50m

$775

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $793 to $1,200.
The lowest price recently found on this route was $628.

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 $552, 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.

How far in advance should I book a flight from San Francisco 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 $872 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 $599 on momondo.

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 August 2026, prices for San Francisco to Bilbao flights are approximately 6% cheaper 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

$356

Fastest flight time

15h 15m

Direct flights

None
The best one-way flight to Bilbao from San Francisco in the past 72 hours is $356. The best round-trip flight deal from San Francisco to Bilbao found on momondo in the last 72 hours is $628.
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 $461Free CancellationRating
6.8
8,213 reviews
Search Lufthansa flights
KLMPriceFrom $470Free CancellationRating
7.8
1,565 reviews
Search KLM flights
United AirlinesPriceFrom $572Free CancellationRating
7.4
10,115 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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