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Cheap flights from San Francisco to Bilbao from $331

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
5:35 pm - 5:55 pmSFO  San Francisco-BIO Bilbao
16h 20m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
12:25 pm - 2:35 pmBIO  Bilbao-SFO San Francisco
35h 10m1 stop Lisbon Humberto Delgado
$629TAP AIR PORTUGAL
Mon, Mar 15 - Mon, Apr 5
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
$653TAP AIR PORTUGAL
Sat, Nov 28 - Sun, Dec 13
SWISS Logo
7:25 pm - 9:20 pmSFO  San Francisco-BIO Bilbao
16h 55m1 stop Zurich
SWISS Logo
9:50 am - 5:30 pmBIO  Bilbao-SFO San Francisco
15h 40m1 stop Zurich
$671SWISS
Wed, Mar 10 - Wed, Mar 17
Lufthansa Logo
2:00 pm - 5:45 pmSFO  San Francisco-BIO Bilbao
18h 45m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Lufthansa Logo
11:45 am - 8:35 pmBIO  Bilbao-SFO San Francisco
16h 50m1 stop Munich Franz Josef Strauss
$704Lufthansa
Wed, Mar 10 - Wed, Mar 17
SWISS Logo
7:25 pm - 9:20 pmSFO  San Francisco-BIO Bilbao
16h 55m1 stop Zurich
SWISS Logo
7:50 am - 4:30 pmBIO  Bilbao-SFO San Francisco
17h 40m1 stop Zurich
$716SWISS
Mon, Mar 1 - Mon, Mar 8
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 - 4:05 pmBIO  Bilbao-SFO San Francisco
18h 20m1 stop Frankfurt am Main
$719United Airlines
Sun, Feb 14 - Thu, Feb 18
Lufthansa Logo
2:00 pm - 5:45 pmSFO  San Francisco-BIO Bilbao
18h 45m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Lufthansa Logo
11:45 am - 12:44 amBIO  Bilbao-SFO San Francisco
20h 59m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl
$724Lufthansa
Wed, Mar 10 - Wed, Mar 17
United Airlines Logo
5:00 am - 4:10 pmSFO  San Francisco-BIO Bilbao
26h 10m2 stops Chicago O'Hare Intl Brussels Bruxelles-National
United Airlines Logo
6:45 am - 4:05 pmBIO  Bilbao-SFO San Francisco
18h 20m1 stop Frankfurt am Main
$724United Airlines
Sun, Feb 14 - Thu, Feb 18
United Airlines Logo
9:35 pm - 11:00 amSFO  San Francisco-BIO Bilbao
28h 25m2 stops Newark Munich Franz Josef Strauss
United Airlines Logo
6:45 am - 4:05 pmBIO  Bilbao-SFO San Francisco
18h 20m1 stop Frankfurt am Main
$724United Airlines
Sun, Feb 14 - Thu, Feb 18
Lufthansa Logo
9:40 pm - 11:10 pmSFO  San Francisco-BIO Bilbao
16h 30m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:30 pm - 12:35 pmBIO  Bilbao-SFO San Francisco
27h 05m2 stops Munich Franz Josef Strauss Frankfurt am Main
$732Lufthansa
Mon, Mar 1 - Mon, Mar 8

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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
Mar 15
SFO5:35 pmSan Francisco
16h 20m
1 stop
BIO5:55 pmBilbao
Apr 5
BIO12:25 pmBilbao
35h 10m
1 stop
SFO2:35 pmSan Francisco
$629
TAP AIR PORTUGAL
Nov 28
SFO4:35 pmSan Francisco
16h 20m
1 stop
BIO5:55 pmBilbao
Dec 13
BIO6:40 pmBilbao
28h 45m
1 stop
SFO2:25 pmSan Francisco
$653

SWISS flights from San Francisco to Bilbao

Our best SWISS deals on San Francisco to Bilbao flight tickets
SWISS
Mar 10
SFO7:25 pmSan Francisco
16h 55m
1 stop
BIO9:20 pmBilbao
Mar 17
BIO9:50 amBilbao
15h 40m
1 stop
SFO5:30 pmSan Francisco
$671
SWISS
Mar 1
SFO7:25 pmSan Francisco
16h 55m
1 stop
BIO9:20 pmBilbao
Mar 8
BIO7:50 amBilbao
17h 40m
1 stop
SFO4:30 pmSan Francisco
$716
SWISS
Dec 30
SFO7:25 pmSan Francisco
37h 20m
2 stops
BIO5:45 pmBilbao
Jan 12
BIO1:35 pmBilbao
35h 55m
1 stop
SFO4:30 pmSan Francisco
$805

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 3/15

5:35 pm-5:55 pm

1 stop16h 20m

Bilbao

Mon 4/5

12:25 pm-2:35 pm

1 stop35h 10m

$629

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Sat 11/28

4:35 pm-5:55 pm

1 stop16h 20m

Bilbao

Sun 12/13

6:40 pm-2:25 pm

1 stop28h 45m

$653
Quickest round-trip

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Wed 3/10

7:25 pm-9:20 pm

1 stop16h 55m

Bilbao

Wed 3/17

9:50 am-5:30 pm

1 stop15h 40m

$671

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Wed 3/10

2:00 pm-5:45 pm

2 stops18h 45m

Bilbao

Wed 3/17

11:45 am-8:35 pm

1 stop16h 50m

$704

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Mon 3/1

7:25 pm-9:20 pm

1 stop16h 55m

Bilbao

Mon 3/8

7:50 am-4:30 pm

1 stop17h 40m

$716

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Sun 2/14

1:40 pm-5:45 pm

1 stop19h 05m

Bilbao

Thu 2/18

6:45 am-4:05 pm

1 stop18h 20m

$719

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Wed 3/10

2:00 pm-5:45 pm

2 stops18h 45m

Bilbao

Wed 3/17

11:45 am-12:44 am

2 stops20h 59m

$724

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Sun 2/14

5:00 am-4:10 pm

2 stops26h 10m

Bilbao

Thu 2/18

6:45 am-4:05 pm

1 stop18h 20m

$724

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Sun 2/14

9:35 pm-11:00 am

2 stops28h 25m

Bilbao

Thu 2/18

6:45 am-4:05 pm

1 stop18h 20m

$724

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Mon 3/1

9:40 pm-11:10 pm

1 stop16h 30m

Bilbao

Mon 3/8

6:30 pm-12:35 pm

2 stops27h 05m

$732

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 $810 to $1,039.
The lowest price recently found on this route was $629.

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 16% 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 November 2026, prices for San Francisco to Bilbao flights are approximately 15% 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

$331

Fastest flight time

16h 20m

Direct flights

None
The best one-way flight to Bilbao from San Francisco in the past 72 hours is $331. The best round-trip flight deal from San Francisco to Bilbao found on momondo in the last 72 hours is $629.
The fastest flight from San Francisco to Bilbao takes 16h 20m
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 16h 20m, 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
United AirlinesPriceFrom $587Free CancellationRating
7.3
10,477 reviews
Search United Airlines flights
KLMPriceFrom $631Free CancellationRating
7.8
1,599 reviews
Search KLM flights
LufthansaPriceFrom $670Free CancellationRating
6.8
8,294 reviews
Search Lufthansa 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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