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Cheap flights from California to Bilbao from $321

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 7/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from California to Bilbao

Cheap round-trip flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
4:30 pm - 6:00 pm
SFO
-
BIO
16h 30m
1 stop
TAP AIR PORTUGAL Logo
6:50 pm - 2:35 pm
BIO
-
SFO
28h 45m
1 stop
$618TAP AIR PORTUGAL
Mon, Sep 21 - Tue, Sep 29
TAP AIR PORTUGAL Logo
4:30 pm - 6:00 pm
SFO
-
BIO
16h 30m
1 stop
TAP AIR PORTUGAL Logo
12:25 pm - 1:35 pm
BIO
-
SFO
34h 10m
1 stop
$625TAP AIR PORTUGAL
Mon, Sep 21 - Mon, Sep 28
TAP AIR PORTUGAL Logo
4:30 pm - 6:00 pm
SFO
-
BIO
16h 30m
1 stop
TAP AIR PORTUGAL Logo
7:45 pm - 2:05 pm
BIO
-
SFO
27h 20m
1 stop
$633TAP AIR PORTUGAL
Mon, Sep 21 - Sun, Sep 27
TAP AIR PORTUGAL Logo
4:20 pm - 11:30 am
SFO
-
BIO
34h 10m
1 stop
TAP AIR PORTUGAL Logo
7:45 pm - 2:05 pm
BIO
-
SFO
27h 20m
1 stop
$637TAP AIR PORTUGAL
Tue, Sep 22 - Sun, Sep 27
Air Canada Logo
4:05 pm - 5:00 pm
SMF
-
BIO
39h 55m
2 stops
Air Canada Logo
6:45 am - 3:21 pm
BIO
-
SMF
17h 36m
2 stops
$738Air Canada
Mon, Nov 23 - Thu, Dec 3
United Airlines Logo
4:20 pm - 10:50 pm
LAS
-
BIO
21h 30m
1 stop
United Airlines Logo
6:45 am - 2:35 pm
BIO
-
LAS
16h 50m
1 stop
$738United Airlines
Sun, Dec 6 - Thu, Dec 10
United Airlines Logo
4:20 pm - 10:50 pm
LAS
-
BIO
21h 30m
1 stop
United Airlines Logo
6:45 am - 2:35 pm
BIO
-
LAS
16h 50m
1 stop
$739United Airlines
Sun, Dec 6 - Thu, Dec 10
Delta Logo
6:15 am - 11:30 am
SMF
-
BIO
20h 15m
2 stops
Delta Logo
6:50 am - 8:23 pm
BIO
-
SMF
22h 33m
2 stops
$740Delta
Tue, Nov 24 - Fri, Dec 4
Scandinavian Airlines Logo
7:10 pm - 11:35 am
LAX
-
BIO
31h 25m
1 stop
Scandinavian Airlines Logo
12:25 pm - 4:50 pm
BIO
-
LAX
37h 25m
1 stop
$742Scandinavian Airlines
Sat, Aug 15 - Mon, Aug 31
Delta Logo
10:40 pm - 11:30 am
SMF
-
BIO
27h 50m
2 stops
Delta Logo
7:10 am - 6:38 pm
BIO
-
SMF
20h 28m
2 stops
$747Delta
Sun, Nov 22 - Fri, Dec 4

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KLM flights from California to Bilbao

Our best KLM deals on California to Bilbao flight tickets
KLM
Nov 10
SFO9:00 amSan Francisco
17h 50m
2 stops
BIO11:50 amBilbao
Nov 18
BIO5:20 pmBilbao
27h 25m
1 stop
SFO11:45 amSan Francisco
$710
KLM
Oct 23
RNO7:00 amReno
24h 30m
2 stops
BIO4:30 pmBilbao
Nov 6
BIO8:30 amBilbao
22h 38m
2 stops
RNO10:08 pmReno
$774
KLM
Oct 3
SAN1:40 pmSan Diego
17h 50m
1 stop
BIO4:30 pmBilbao
Oct 12
BIO5:15 pmBilbao
27h 35m
1 stop
SAN11:50 amSan Diego
$780

Lufthansa flights from California to Bilbao

Our best Lufthansa deals on California to Bilbao flight tickets
Lufthansa
Nov 10
SFO9:40 pmSan Francisco
16h 25m
1 stop
BIO11:05 pmBilbao
Nov 18
BIO7:25 amBilbao
21h 10m
1 stop
SFO7:35 pmSan Francisco
$711
Lufthansa
Nov 30
SFO9:40 pmSan Francisco
16h 25m
1 stop
BIO11:05 pmBilbao
Dec 21
BIO6:50 pmBilbao
33h 45m
1 stop
SFO7:35 pmSan Francisco
$722
Lufthansa
Nov 30
SFO9:40 pmSan Francisco
16h 25m
1 stop
BIO11:05 pmBilbao
Dec 21
BIO6:50 pmBilbao
33h 45m
1 stop
SFO7:35 pmSan Francisco
$728

momondo Fare Finder

 
Customize your flight search to find flights from California to Bilbao that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 30, 2026.
Use the filters below to find and compare flights from California to Bilbao that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Mon 9/21

4:30 pm-6:00 pm

1 stop16h 30m

Bilbao

Tue 9/29

6:50 pm-2:35 pm

1 stop28h 45m

$618

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Mon 9/21

4:30 pm-6:00 pm

1 stop16h 30m

Bilbao

Mon 9/28

12:25 pm-1:35 pm

1 stop34h 10m

$625

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Mon 9/21

4:30 pm-6:00 pm

1 stop16h 30m

Bilbao

Sun 9/27

7:45 pm-2:05 pm

1 stop27h 20m

$633

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 9/22

4:20 pm-11:30 am

1 stop34h 10m

Bilbao

Sun 9/27

7:45 pm-2:05 pm

1 stop27h 20m

$637

SacramentoBilbao

SMF - BIO

SMFBIO

Sacramento Intl

Mon 11/23

4:05 pm-5:00 pm

2 stops39h 55m

Bilbao

Thu 12/3

6:45 am-3:21 pm

2 stops17h 36m

$738
Quickest round-trip

Las VegasBilbao

LAS - BIO

LASBIO

Las Vegas Harry Reid Intl

Sun 12/6

4:20 pm-10:50 pm

1 stop21h 30m

Bilbao

Thu 12/10

6:45 am-2:35 pm

1 stop16h 50m

$738

Las VegasBilbao

LAS - BIO

LASBIO

Las Vegas Harry Reid Intl

Sun 12/6

4:20 pm-10:50 pm

1 stop21h 30m

Bilbao

Thu 12/10

6:45 am-2:35 pm

1 stop16h 50m

$739

SacramentoBilbao

SMF - BIO

SMFBIO

Sacramento Intl

Tue 11/24

6:15 am-11:30 am

2 stops20h 15m

Bilbao

Fri 12/4

6:50 am-8:23 pm

2 stops22h 33m

$740

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

Sat 8/15

7:10 pm-11:35 am

1 stop31h 25m

Bilbao

Mon 8/31

12:25 pm-4:50 pm

1 stop37h 25m

$742

SacramentoBilbao

SMF - BIO

SMFBIO

Sacramento Intl

Sun 11/22

10:40 pm-11:30 am

2 stops27h 50m

Bilbao

Fri 12/4

7:10 am-6:38 pm

2 stops20h 28m

$747

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 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

What is the cheapest month to fly to Bilbao?

The cheapest month to fly to Bilbao from California is in March. Flight prices, which tend to average around $379, are often lower during this time because this is during the off-season. If you’re not able to fly to Bilbao in March, then November is your next best option. Flight prices from California to Bilbao during November average around $394.

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 $969 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 3% 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

Fastest flight time

14h 45m

Direct flights

None
The fastest flight from California to Bilbao takes 14h 45m
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?

  • 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
LufthansaPriceFrom $461Free CancellationRating
6.8
8,109 reviews
Search Lufthansa flights
KLMPriceFrom $470Free CancellationRating
7.8
1,531 reviews
Search KLM flights
DeltaPriceFrom $476Free CancellationRating
7.8
8,451 reviews
Search Delta flights
Air FrancePriceFrom $525Free CancellationRating
7.5
1,615 reviews
Search Air France flights
United AirlinesPriceFrom $572Free CancellationRating
7.4
9,901 reviews
Search United Airlines flights
IberiaPriceFrom $607Free CancellationRating
7.0
3,246 reviews
Search Iberia 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 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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