HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bilbao

$325+ Cheap flights from Irvine, CA to Bilbao (BIO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BIO
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Irvine to Bilbao with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Irvine to Bilbao are usually found in March or February, booked 37 days in advance, depart on a Tuesday or Sunday and return on a Thursday

Cheap flight deals from Irvine to Bilbao

Keep the following information in mind while searching for Irvine to Bilbao flight deals. Data was last updated August 1, 2025.

Round-trip from

$544
(Kiwi.com)

One-way from

$325
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$776
From Irvine to Bilbao
Search Deals
One-way flight from Irvine to Bilbao
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($156 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Irvine to Bilbao

Cheapest flights from Irvine to Bilbao
Explore the most affordable flight options available from Irvine to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/91:00 pmLAX - BIO
1 stop15h 50mMultiple Airlines
Sun 10/197:35 amBIO - LAX
1 stop15h 35mMultiple Airlines
Deal found 7/29$544
This FlightHub deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/15:30 pmLAX - BIO
1 stop20h 55mLufthansa
Wed 10/86:45 amBIO - LAX
1 stop19h 10mLufthansa
Deal found 7/29$588
This Iberia deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/15:50 pmLAX - BIO
1 stop20h 25mIberia
Wed 10/89:35 pmBIO - LAX
1 stop27h 30mIberia
Deal found 7/31$599
This FlightHub deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:30 amLAX - BIO
2 stops25h 50mAir Canada
Wed 10/86:45 amBIO - LAX
2 stops18h 23mAir Canada
Deal found 7/29$602
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/43:40 pmLAX - BIO
2 stops41h 10mUnited Airlines
Sat 10/112:10 pmBIO - LAX
1 stop31h 50mUnited Airlines
Deal found 7/30$667
This LEVEL deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/197:50 pmLAX - BIO
1 stop33h 25mLEVEL
Wed 8/2710:45 amBIO - LAX
1 stop16h 20mLEVEL
Deal found 7/31$721
This FlightHub deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/812:10 amLAX - BIO
1 stop25h 55mTurkish Airlines
Sun 10/196:30 pmBIO - LAX
1 stop26h 15mTurkish Airlines
Deal found 7/29$810

Cheapflights Fare Finder

 
Customize your flight search to find flights from Irvine 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, Cheapflights users made 2,558,603 searches. Data last updated August 1, 2025.
Use the filters below to find and compare flights from Irvine to Bilbao that are best for you.

Fly from

Irvine

Fly to

Bilbao

Route

Depart

Return

Price

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

Thu 10/9

1:00 pm-1:50 pm

1 stop15h 50m

Bilbao

Sun 10/19

7:35 am-2:10 pm

1 stop15h 35m

$544

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

Wed 10/1

5:30 pm-11:25 pm

1 stop20h 55m

Bilbao

Wed 10/8

6:45 am-4:55 pm

1 stop19h 10m

$588

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

Wed 10/1

5:50 pm-11:15 pm

1 stop20h 25m

Bilbao

Wed 10/8

9:35 pm-4:05 pm

1 stop27h 30m

$599

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

Sat 9/20

9:55 pm-1:25 pm

2 stops30h 30m

Bilbao

Wed 10/8

6:45 am-11:05 am

2 stops37h 20m

$601

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

Sat 10/4

3:40 pm-5:50 pm

2 stops41h 10m

Bilbao

Sat 10/11

2:10 pm-1:00 pm

1 stop31h 50m

$667

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

Tue 8/19

7:50 pm-2:15 pm

1 stop33h 25m

Bilbao

Wed 8/27

10:45 am-6:05 pm

1 stop16h 20m

$721

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

Wed 10/8

12:10 am-11:05 am

1 stop25h 55m

Bilbao

Sun 10/19

6:30 pm-11:45 am

1 stop26h 15m

$810

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

Sat 8/16

9:25 pm-10:55 am

1 stop28h 30m

$325

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

Tue 8/19

7:50 pm-2:15 pm

1 stop33h 25m

$342

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

Sun 10/19

7:50 pm-11:00 pm

1 stop18h 10m

$348

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 18 results
1
2

Best time to book a flight from Irvine to Bilbao

Have a flexible travel schedule? Discover the best time to fly to Bilbao from Irvine with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Irvine to Bilbao

How far ahead should I book a flight from Irvine to Bilbao?

Use this chart to determine the optimal time to book a round-trip flight from Irvine to Bilbao. Price data was last updated on July 25, 2025.

The best time to book flights from Irvine to Bilbao is 37 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Irvine to Bilbao?

Currently, January is the cheapest month in which you can book a flight from Irvine to Bilbao (average of $541). Flying from Irvine to Bilbao in June is currently the most expensive (average of $1,135). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IR9 to BIO?

Find hourly flight availability from Irvine to Bilbao. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 1, 2025.

When flying from Irvine to Bilbao, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Irvine to Bilbao?

Use this chart to determine the cheapest time to fly round-trip from Irvine to Bilbao. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Irvine to Bilbao flight should consider departing on Friday at noon when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Bilbao

Get insights into the airlines that provide service to Bilbao. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bilbao. Reviews last updated August 1, 2025.
Get a feel of what it's like to fly with Finnair, United Airlines, and Turkish Airlines from Irvine to Bilbao by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,317 reviews

Boarding

7.6

Crew

8.1

Food

6.7

Entertainment

6.9

Comfort

7.4

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.
Finnair
7.6
Good
1,317 reviews
Finnair
7.6
Good
1,317 reviews

Boarding

7.6

Crew

8.1

Food

6.7

Entertainment

6.9

Comfort

7.4

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.
United Airlines
7.4
Good
8,904 reviews
Finnair
7.6
Good
1,317 reviews

Boarding

7.6

Crew

8.1

Food

6.7

Entertainment

6.9

Comfort

7.4

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.
Turkish Airlines
7.3
Good
3,935 reviews
Finnair
7.6
Good
1,317 reviews

Boarding

7.6

Crew

8.1

Food

6.7

Entertainment

6.9

Comfort

7.4

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.
American Airlines
7.2
Good
10,000 reviews
Finnair
7.6
Good
1,317 reviews

Boarding

7.6

Crew

8.1

Food

6.7

Entertainment

6.9

Comfort

7.4

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.
Air Canada
7.1
Good
9,855 reviews
Finnair
7.6
Good
1,317 reviews

Boarding

7.6

Crew

8.1

Food

6.7

Entertainment

6.9

Comfort

7.4

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.

Related info for your journey

Find useful and relevant information for your journey from Irvine to Bilbao. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Bilbao from Irvine?

    Bilbao (BIO) is the airport you will fly into if you book a flight from Irvine to Bilbao. You should not have trouble finding flights to Bilbao from Irvine; the airport handles an average of 0 inbound flights from Irvine per day. You should also have plenty of airline options to choose from since 7 airlines have flights to the Bilbao airport from Irvine. It is only a 3.0 mi journey from Bilbao (BIO) to Bilbao’s city center.

  • What are the cheapest airlines to fly from Irvine to Bilbao one-way?

    The cheapest airlines for a one-way flight from Irvine to Bilbao are LEVEL ($342), Iberia ($348), and TAP AIR PORTUGAL ($438).

  • Can I find deals for flights from Irvine to Bilbao that include hotel bookings?

    Yes. In addition to deals on Irvine to Bilbao flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Irvine to Bilbao?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Irvine to Bilbao.

  • Can I find deals for business class flights from Irvine to Bilbao?

    Yes. Cheapflights offers flight deals from Irvine to Bilbao by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Irvine to Bilbao?

    Currently, January is the cheapest month in which you can book a flight from Irvine to Bilbao (average of $541). Flying from Irvine to Bilbao in June is currently the most expensive (average of $1,135). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Irvine to Bilbao

See prices for flight routes from nearby airports that may be better suited for you.
San Francisco to Bilbao flights
Los Angeles to Bilbao flights
Los Angeles to San Sebastian flights
San Jose to Bilbao flights
San Francisco to San Sebastian flights
Ontario to San Sebastian flights
Ontario to Bilbao flights
Oakland to Bilbao flights
San Diego to San Sebastian flights
Sacramento to Bilbao flights
Santa Ana to San Sebastian flights
Las Vegas to Bilbao flights
Reno to Bilbao flights
San Diego to Bilbao flights
Fresno to San Sebastian flights
Reno to San Sebastian flights
Las Vegas to San Sebastian flights
San Jose to San Sebastian flights
Santa Ana to Bilbao flights
Oakland to San Sebastian flights
San Francisco to Vitoria-Gasteiz flights
Long Beach to Bilbao flights
Burbank to Bilbao flights

Top 7 airlines flying from Irvine to Bilbao

Discover the top 7 airlines that operate flights from Irvine to Bilbao. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$607Average$938FlexibilityNo cancel feeOn-time77%
KLMCheapest$620Average$1,074FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$635Average$1,118FlexibilityNo cancel feeOn-time69%
LEVELCheapest$669Average$978FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$669Average$1,249FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$677Average$1,137FlexibilityNo cancel feeOn-time71%
DeltaCheapest$815Average$1,056FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.