What is the cheapest airline that flies from California to Bilbao?

KLM, Lufthansa, and Air France are the most popular carriers operating from California to Bilbao

What airlines fly to Bilbao?

Lufthansa, United Airlines and Iberia are the top three most popular airlines that fly to Bilbao from California according to our data. Lufthansa is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Bilbao. Keep in mind that there are 6 different airlines that fly to Bilbao on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Bilbao?

Flight times from California to Bilbao vary, but if you’re flying out of San Diego and flying into Bilbao (one of the most popular routes), then the duration is 15h 10m on average. Another popular route from California to Bilbao is flying from San Francisco to Bilbao, which will take roughly 15h 15m. Keep in mind that layovers or delays could extend your travel time.

When did momondo last update prices for flights from California to Bilbao Airport?

Prices for flights from California to Bilbao Airport are updated daily.

How many operators does momondo search for flights from California to Bilbao Airport?

The number of operators available for flights from California to Bilbao Airport is 6 as of August 2026.

How old do you have to be to fly from California 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 California to Bilbao Airport.

What documentation or ID do you need to fly to Bilbao Airport?

The travel and health documents you'll need for your trip to Bilbao Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bilbao Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$352 Cheap Flights from California to Bilbao in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from California to Bilbao

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:30 pm - 11:40 amSFO San Francisco-BIO Bilbao

34h 10m1 stop Lisbon Humberto Delgado

6:50 pm - 2:35 pmBIO Bilbao-SFO San Francisco

28h 45m1 stop Lisbon Humberto Delgado

$630TAP AIR PORTUGAL

Mon, Oct 5 - Tue, Oct 20

4:35 pm - 11:30 amSFO San Francisco-BIO Bilbao

33h 55m1 stop Lisbon Humberto Delgado

12:25 pm - 1:35 pmBIO Bilbao-SFO San Francisco

34h 10m1 stop Lisbon Humberto Delgado

$637TAP AIR PORTUGAL

Wed, Sep 30 - Mon, Oct 12

9:25 am - 11:45 amLAS Las Vegas Harry Reid Intl-BIO Bilbao

17h 20m2 stops New York John F Kennedy Intl Madrid Barajas

6:50 am - 2:15 pmBIO Bilbao-LAS Las Vegas Harry Reid Intl

16h 25m1 stop Amsterdam Schiphol

$676KLM

Mon, Jan 18 - Tue, Feb 2

9:25 am - 11:50 amLAS Las Vegas Harry Reid Intl-BIO Bilbao

17h 25m2 stops New York John F Kennedy Intl Madrid Barajas

6:50 am - 2:15 pmBIO Bilbao-LAS Las Vegas Harry Reid Intl

16h 25m1 stop Amsterdam Schiphol

$676KLM

Tue, Jan 19 - Tue, Feb 2

3:25 pm - 11:30 amLAS Las Vegas Harry Reid Intl-BIO Bilbao

35h 05m1 stop Paris Charles de Gaulle

6:50 am - 2:15 pmBIO Bilbao-LAS Las Vegas Harry Reid Intl

16h 25m1 stop Amsterdam Schiphol

$693Delta

Wed, Jan 20 - Thu, Feb 4

3:25 pm - 11:30 amLAS Las Vegas Harry Reid Intl-BIO Bilbao

35h 05m1 stop Paris Charles de Gaulle

6:50 am - 2:15 pmBIO Bilbao-LAS Las Vegas Harry Reid Intl

16h 25m1 stop Amsterdam Schiphol

$693Delta

Mon, Jan 18 - Thu, Feb 4

5:35 pm - 9:55 pmSAN San Diego-BIO Bilbao

19h 20m1 stop Munich Franz Josef Strauss

7:30 am - 3:45 pmBIO Bilbao-SAN San Diego

17h 15m1 stop Munich Franz Josef Strauss

$717Lufthansa

Wed, Jan 20 - Wed, Jan 27

5:35 pm - 5:45 pmSAN San Diego-BIO Bilbao

15h 10m1 stop Munich Franz Josef Strauss

7:30 am - 3:45 pmBIO Bilbao-SAN San Diego

17h 15m1 stop Munich Franz Josef Strauss

$719Lufthansa

Wed, Jan 20 - Wed, Jan 27

1:30 pm - 11:10 pmSFO San Francisco-BIO Bilbao

24h 40m1 stop Munich Franz Josef Strauss

11:45 am - 7:35 pmBIO Bilbao-SFO San Francisco

16h 50m1 stop Munich Franz Josef Strauss

$730United Airlines

Mon, Nov 16 - Wed, Nov 18

6:15 am - 11:00 amSFO San Francisco-BIO Bilbao

19h 45m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

11:45 am - 7:35 pmBIO Bilbao-SFO San Francisco

16h 50m1 stop Munich Franz Josef Strauss

$734United Airlines

Mon, Nov 16 - Wed, Nov 18

Cheap last minute flights

Enter your travel dates to find the best prices.

1:38 pm - 5:00 pmLAS Las Vegas Harry Reid Intl-BIO Bilbao

18h 22m2 stops Denver Intl Frankfurt am Main

6:50 am - 4:20 pmBIO Bilbao-LAS Las Vegas Harry Reid Intl

18h 30m1 stop Frankfurt am Main

$1,073Lufthansa

Thu, Aug 20 - Sun, Aug 23

5:30 pm - 11:25 pmLAX Los Angeles-BIO Bilbao

20h 55m1 stop Munich Franz Josef Strauss

6:50 am - 4:20 pmBIO Bilbao-LAX Los Angeles

18h 30m1 stop Frankfurt am Main

$1,076Lufthansa

Tue, Aug 18 - Sun, Aug 30

7:00 am - 10:45 amLAS Las Vegas Harry Reid Intl-BIO Bilbao

18h 45m1 stop Newark

6:50 am - 4:20 pmBIO Bilbao-LAS Las Vegas Harry Reid Intl

18h 30m1 stop Frankfurt am Main

$1,078United Airlines

Thu, Aug 20 - Sun, Aug 23

6:00 am - 10:45 amLAS Las Vegas Harry Reid Intl-BIO Bilbao

19h 45m2 stops Houston George Bush Intcntl Newark

6:50 am - 5:01 pmBIO Bilbao-LAS Las Vegas Harry Reid Intl

43h 11m2 stops Frankfurt am Main Vancouver Intl

$1,078Multiple Airlines

Thu, Aug 20 - Sun, Aug 23

5:30 pm - 11:25 pmLAX Los Angeles-BIO Bilbao

20h 55m1 stop Munich Franz Josef Strauss

6:50 am - 8:18 pmBIO Bilbao-LAX Los Angeles

22h 28m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

$1,086Lufthansa

Tue, Aug 18 - Sun, Aug 30

5:00 am - 10:45 amLAX Los Angeles-BIO Bilbao

20h 45m2 stops Denver Intl Newark

12:30 pm - 12:59 amBIO Bilbao-LAX Los Angeles

21h 29m2 stops Newark Washington, D.C. Dulles Intl

$1,108United Airlines

Tue, Aug 18 - Sun, Aug 30

6:00 am - 9:50 amLAX Los Angeles-BIO Bilbao

18h 50m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

12:00 pm - 10:00 pmBIO Bilbao-LAX Los Angeles

19h 00m2 stops Amsterdam Schiphol Salt Lake City

$1,113Delta

Tue, Aug 18 - Sun, Aug 30

8:25 pm - 10:45 pmLAS Las Vegas Harry Reid Intl-BIO Bilbao

17h 20m1 stop Amsterdam Schiphol

6:45 am - 6:35 pmBIO Bilbao-LAS Las Vegas Harry Reid Intl

20h 50m1 stop Amsterdam Schiphol

$1,200KLM

Fri, Aug 21 - Mon, Jul 26

1:55 pm - 4:30 pmLAS Las Vegas Harry Reid Intl-BIO Bilbao

17h 35m2 stops Minneapolis St Paul Amsterdam Schiphol

6:45 am - 6:35 pmBIO Bilbao-LAS Las Vegas Harry Reid Intl

20h 50m1 stop Amsterdam Schiphol

$1,200KLM

Fri, Aug 21 - Mon, Jul 26

11:25 pm - 1:25 pmLAS Las Vegas Harry Reid Intl-BIO Bilbao

29h 00m2 stops Toronto Pearson Intl Frankfurt am Main

7:15 am - 11:21 pmBIO Bilbao-LAS Las Vegas Harry Reid Intl

25h 06m2 stops Munich Franz Josef Strauss Vancouver Intl

$1,219Air Canada

Fri, Aug 21 - Mon, Jul 26

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TAP AIR PORTUGAL flights from California to Bilbao

Our best TAP AIR PORTUGAL deals on California 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

$630

TAP AIR PORTUGAL

Sep 30

SFO4:35 pmSan Francisco

33h 55m

1 stop

BIO11:30 amBilbao

Oct 12

BIO12:25 pmBilbao

34h 10m

1 stop

SFO1:35 pmSan Francisco

$637

TAP AIR PORTUGAL

Oct 6

SFO4:20 pmSan Francisco

34h 10m

1 stop

BIO11:30 amBilbao

Oct 20

BIO6:50 pmBilbao

28h 45m

1 stop

SFO2:35 pmSan Francisco

$638

KLM flights from California to Bilbao

Our best KLM deals on California to Bilbao flight tickets

KLM

Jan 17

LAS9:25 amLas Vegas Harry Reid Intl

17h 20m

2 stops

BIO11:45 amBilbao

Feb 2

BIO6:50 amBilbao

16h 25m

1 stop

LAS2:15 pmLas Vegas Harry Reid Intl

$676

KLM

Jan 17

LAS9:25 amLas Vegas Harry Reid Intl

17h 20m

2 stops

BIO11:45 amBilbao

Feb 2

BIO6:50 amBilbao

18h 35m

2 stops

LAS4:25 pmLas Vegas Harry Reid Intl

$686

KLM

Feb 1

LAS9:25 amLas Vegas Harry Reid Intl

17h 20m

2 stops

BIO11:45 amBilbao

Feb 14

BIO8:30 amBilbao

20h 46m

2 stops

LAS8:16 pmLas Vegas Harry Reid Intl

$715

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

$630

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Wed 9/30

4:35 pm-11:30 am

1 stop33h 55m

Bilbao

Mon 10/12

12:25 pm-1:35 pm

1 stop34h 10m

$637

Las VegasBilbao

LAS Las Vegas Harry Reid Intl - BIO Bilbao

LASBIO

Las Vegas Harry Reid Intl

Mon 1/18

9:25 am-11:45 am

2 stops17h 20m

Bilbao

Tue 2/2

6:50 am-2:15 pm

1 stop16h 25m

$676

Las VegasBilbao

LAS Las Vegas Harry Reid Intl - BIO Bilbao

LASBIO

Las Vegas Harry Reid Intl

Tue 1/19

9:25 am-11:50 am

2 stops17h 25m

Bilbao

Tue 2/2

6:50 am-2:15 pm

1 stop16h 25m

$676

Las VegasBilbao

LAS Las Vegas Harry Reid Intl - BIO Bilbao

LASBIO

Las Vegas Harry Reid Intl

Wed 1/20

3:25 pm-11:30 am

1 stop35h 05m

Bilbao

Thu 2/4

6:50 am-2:15 pm

1 stop16h 25m

$693

Las VegasBilbao

LAS Las Vegas Harry Reid Intl - BIO Bilbao

LASBIO

Las Vegas Harry Reid Intl

Mon 1/18

3:25 pm-11:30 am

1 stop35h 05m

Bilbao

Thu 2/4

6:50 am-2:15 pm

1 stop16h 25m

$693

San DiegoBilbao

SAN San Diego - BIO Bilbao

SANBIO

San Diego

Wed 1/20

5:35 pm-9:55 pm

1 stop19h 20m

Bilbao

Wed 1/27

7:30 am-3:45 pm

1 stop17h 15m

$717

Quickest round-trip

San DiegoBilbao

SAN San Diego - BIO Bilbao

SANBIO

San Diego

Wed 1/20

5:35 pm-5:45 pm

1 stop15h 10m

Bilbao

Wed 1/27

7:30 am-3:45 pm

1 stop17h 15m

$719

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Mon 11/16

1:30 pm-11:10 pm

1 stop24h 40m

Bilbao

Wed 11/18

11:45 am-7:35 pm

1 stop16h 50m

$730

San FranciscoBilbao

SFO San Francisco - BIO Bilbao

SFOBIO

San Francisco

Mon 11/16

6:15 am-11:00 am

2 stops19h 45m

Bilbao

Wed 11/18

11:45 am-7:35 pm

1 stop16h 50m

$734

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from California 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

Prices

Airlines

Other information

What is the cheapest month to fly to Bilbao?

The cheapest month to fly to Bilbao from California is in October. Flight prices, which tend to average around $644, 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 January is your next best option. Flight prices from California to Bilbao during January average around $647.

How far in advance should I book a flight from California to Bilbao?

You are more likely to see cheaper flights to Bilbao from California when booking weeks ahead of your departure date. In general, you can expect to find flights to Bilbao for around $1,043 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bilbao from California for as low as $660 on momondo.

Can stopping save me money on California to Bilbao flights?

You could potentially save up to 10% on your flight if you consider stops on a California to Bilbao flight.

Cheap California to Bilbao flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Bilbao

Best Price Found	$352
Fastest flight time	15h 10m
Direct flights	None

The best one-way flight to Bilbao from California in the past 72 hours is $352. The best round-trip flight deal from California to Bilbao found on momondo in the last 72 hours is $630.

The fastest flight from California to Bilbao takes 15h 10m

There are no direct flights from California to Bilbao. There are no popular flight routes from California to Bilbao.

Search flight deals

Frequently asked questions about flying from California to Bilbao

When did momondo last update prices for flights from California to Bilbao Airport?
Prices for flights from California to Bilbao Airport are updated daily.
How many operators does momondo search for flights from California to Bilbao Airport?
The number of operators available for flights from California to Bilbao Airport is 6 as of August 2026.
How old do you have to be to fly from California 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 California to Bilbao Airport.
What documentation or ID do you need to fly to Bilbao Airport?
The travel and health documents you'll need for your trip to Bilbao Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bilbao Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from California to Bilbao

Compare and see reviews for airlines that fly from California to Bilbao with momondo

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom $461	Free Cancellation	Rating 6.8 8,195 reviews	Search Lufthansa flights
KLM	PriceFrom $470	Free Cancellation	Rating 7.8 1,560 reviews	Search KLM flights
Delta	PriceFrom $476	Free Cancellation	Rating 7.8 8,504 reviews	Search Delta flights
United Airlines	PriceFrom $572	Free Cancellation	Rating 7.4 10,106 reviews	Search United Airlines flights
Air France	PriceFrom $676	Free Cancellation	Rating 7.5 1,646 reviews	Search Air France flights
Iberia	PriceFrom $702	Free Cancellation	Rating 7.0 3,255 reviews	Search Iberia flights

Getxo

Laredo

Lekeitio

Why use momondo?

Why should I use momondo to find a flight deal from California to Bilbao?

It is quick and easy to find California 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 California to Bilbao with flexible booking policies on momondo?

Yes. All flights to Bilbao from California on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from California to Bilbao?

momondo provides multiple filters to help you find the best flight to Bilbao from California. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from California to Bilbao right now. Can momondo alert me if prices change?

Yes. momondo can track prices for California to Bilbao flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from California to Bilbao from $352

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Bilbao departing on 10/20. 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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TAP AIR PORTUGAL flights from California to Bilbao

Our best TAP AIR PORTUGAL deals on California to Bilbao flight tickets

KLM flights from California to Bilbao

Our best KLM deals on California to Bilbao flight tickets

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How to get the cheapest flight ticket from California to Bilbao

What is the cheapest month to fly to Bilbao?

How far in advance should I book a flight from California to Bilbao?

Can stopping save me money on California to Bilbao flights?

What is the cheapest airline that flies from California to Bilbao?

What airlines fly to Bilbao?

How long does it take to fly to Bilbao?

Cheap California to Bilbao flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from California to Bilbao

Best airlines flying from California to Bilbao

Compare and see reviews for airlines that fly from California to Bilbao with momondo

Traveling to a place near Bilbao?

Why use momondo?

An easier way to manage your Bilbao trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Spain

Airports servicing Basque Country

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in Bilbao. Availability may vary depending on flight origin and airline.

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