$330 Find Cheap Flights from Bilbao to California

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Bilbao to California departing on 5/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to California

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Bilbao to California, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Bilbao to California, as well as popular online travel agencies
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Flight Deals

Cheap Flights from Bilbao to California

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Los Angeles
Los Angeles1 stop$598
San Francisco
San Francisco1 stop$527
San Diego
San Diego1 stop$826
San Jose
San Jose2 stops$573
Reno
Reno2 stops$972
Sacramento
Sacramento2 stops$1,364
Los Angeles
Los Angeles1 stop$598
San Francisco
San Francisco1 stop$527
San Diego
San Diego1 stop$826
San Jose
San Jose2 stops$573
Reno
Reno2 stops$972
Sacramento
Sacramento2 stops$1,364

Book Cheap Bilbao to California Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Bilbao to California that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Bilbao to California

Thu, Apr 16 - Thu, Apr 30
American Airlines Logo
9:15 am - 4:10 pm
BIO
-
SFO
15h 55m
1 stop
American Airlines Logo
5:45 pm - 4:55 pm
SFO
-
BIO
14h 10m
1 stop
$527American Airlines
Thu, Apr 16 - Thu, Apr 30
Multiple Airlines Logo
9:15 am - 4:10 pm
BIO
-
SFO
15h 55m
1 stop
Multiple Airlines Logo
5:45 pm - 4:55 pm
SFO
-
BIO
14h 10m
1 stop
$532Multiple Airlines
Thu, Apr 16 - Thu, Apr 30
American Airlines Logo
1:30 pm - 11:59 pm
BIO
-
SFO
19h 29m
2 stops
American Airlines Logo
5:45 pm - 4:55 pm
SFO
-
BIO
14h 10m
1 stop
$533American Airlines
Thu, Apr 16 - Thu, Apr 30
American Airlines Logo
6:45 am - 4:10 pm
BIO
-
SFO
18h 25m
1 stop
American Airlines Logo
5:45 pm - 4:55 pm
SFO
-
BIO
14h 10m
1 stop
$535American Airlines
Tue, Apr 28 - Tue, May 5
Iberia Logo
9:15 am - 10:00 pm
BIO
-
SFO
21h 45m
2 stops
Iberia Logo
2:10 pm - 4:55 pm
SFO
-
BIO
17h 45m
2 stops
$538Iberia
Mon, Apr 27 - Mon, May 4
Iberia Logo
1:30 pm - 11:54 pm
BIO
-
SFO
19h 24m
2 stops
Iberia Logo
1:40 pm - 4:55 pm
SFO
-
BIO
18h 15m
2 stops
$541Iberia
Wed, Apr 8 - Mon, Apr 13
Finnair Logo
6:45 am - 11:59 pm
BIO
-
SFO
26h 14m
2 stops
Finnair Logo
1:28 pm - 11:15 pm
SFO
-
BIO
24h 47m
2 stops
$547Finnair
Thu, Apr 9 - Mon, Apr 13
LEVEL Logo
2:20 pm - 6:10 pm
BIO
-
LAX
36h 50m
1 stop
LEVEL Logo
7:55 pm - 10:15 am
LAX
-
BIO
29h 20m
1 stop
$598LEVEL
Mon, Apr 13 - Sun, Apr 19
United Airlines Logo
6:50 am - 10:41 pm
BIO
-
SJC
48h 51m
3 stops
United Airlines Logo
3:45 pm - 5:55 pm
SJC
-
BIO
41h 10m
2 stops
$638United Airlines
Wed, Apr 1 - Sun, Apr 5
United Airlines Logo
6:50 am - 10:41 pm
BIO
-
SJC
24h 51m
2 stops
United Airlines Logo
8:45 am - 1:20 pm
SJC
-
BIO
19h 35m
2 stops
$656United Airlines
Booking Insights

KAYAK's insights & trends for Bilbao to California flights

Get data-powered insights and trends into flights from Bilbao to California to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Bilbao to California?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Bilbao to California, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Bilbao to California is February, when tickets cost $627 (return) on average. On the other hand, the most expensive months are August and January, when the average cost of round-trip tickets is $1,086 and $994 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Bilbao to California, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Bilbao to California, you should book around 2 weeks before departure, which saves you about 39% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 7 weeks before departure.

Find deals

Good to know

Low seasonJanuary
Cheapest flight$330
Best time to beat the crowds with an average 1% drop in price.
Most popular time to fly with an average 37% increase in price.
Flight from Bilbao to Los Angeles

FAQs - booking California flights

  • How does KAYAK find such low prices on flights from Bilbao to California?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Bilbao to California.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Bilbao to California?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Bilbao to California is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Bilbao to California?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Bilbao to California with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Bilbao to California?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Bilbao to California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Bilbao to California

 
See real verified KAYAK customer reviews for airlines flying from Bilbao to California. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Bilbao to California? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 9431 reviews
7.1Entertainment
8.1Crew
6.6Food
7.7Boarding
7.3Comfort
Airline reviews

Terrible experience! delay 2 time and say i dont have ticket

2.0 Mediocrephuong, Mar 2026
TPE - SFO
Read more United Airlines reviews

Terrible experience! delay 2 time and say i dont have ticket

It was amazing. I had several upgraded seats on my flight out. Everything went smooth with no delays.

Flight delayed for more than 16 hrs and no effort was spent to provide an alternate

Flight attendants were friendly & good service, food sucks, seats uncomfortable, not many Asian movies or shows flying from Hong Kong

Flight attendants had a little attitude. Food tastes no good.

Overall we had a good experience during our flight from San Francisco to Houston.

it was a very short flight so my expectations were low.

Good flight. However, when booked flight with United, assumed the layover included by United in San Francisco of 1 hr and 40 minutes was sufficient . Not so and would recommend at least 2 hours or more. Needed to go through US immigration (very long lineups), then pick up bags, take all the way to another terminal, running because we did not have sufficient time. We made the flight because they held the door for us but luggage didn’t follow.

Very disappointing given gate agent behavior. Filed a formal complaint with United.

Flight delayed. WiFi connectivity very poor if not existant. Last minute arrival forced me to run to catch my connection.

Everything you need to know for your flight from Bilbao to California

Information on your arrival and departure airports

Bilbao (BIO)