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$250+ 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BIO
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
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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 septiembre 15, 2025.

Round-trip from

$441
(Kiwi.com)

One-way from

$250
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$765
From Irvine to Bilbao
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One-way flight from Irvine to Bilbao
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Highest demand for flights based on searches. 20% potential increase in price ($246 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($62 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 septiembre 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
mar. 10/145:30 pmLAX - BIO
1 stop20h 55mLufthansa
mar. 10/217:15 amBIO - LAX
1 stop17h 00mLufthansa
Deal found 9/14$441
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/266:30 amLAX - BIO
2 stops27h 35mAir Canada
mar. 11/117:25 amBIO - LAX
2 stops42h 04mAir Canada
Deal found 9/14$455
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/266:30 amLAX - BIO
2 stops27h 35mMultiple Airlines
mar. 11/117:25 amBIO - LAX
1 stop16h 50mMultiple Airlines
Deal found 9/14$461
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/267:10 pmLAX - BIO
1 stop13h 45mAmerican Airlines
mar. 11/111:35 pmBIO - LAX
2 stops20h 17mAmerican Airlines
Deal found 9/15$477
This United Airlines deal was found by Cheapflights users on 9/14. 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.
mar. 10/145:39 pmLAX - BIO
2 stops20h 46mUnited Airlines
mar. 10/217:15 amBIO - LAX
1 stop17h 00mUnited Airlines
Deal found 9/14$486
This Lufthansa deal was found by Cheapflights users on 9/14. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/15:30 pmLAX - BIO
1 stop20h 35mLufthansa
lun. 12/86:50 pmBIO - LAX
1 stop29h 25mLufthansa
Deal found 9/14$492
This United Airlines deal was found by Cheapflights users on 9/14. 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.
lun. 12/15:30 pmLAX - BIO
1 stop20h 35mUnited Airlines
lun. 12/811:35 amBIO - LAX
2 stops55h 57mUnited Airlines
Deal found 9/14$498
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
jue. 10/306:30 pmLAX - BIO
1 stop20h 35mLufthansa
jue. 11/66:45 amBIO - LAX
1 stop15h 20mLufthansa
Deal found 9/15$510

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 septiembre 15, 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

mar. 10/14

5:30 pm-11:25 pm

1 stop20h 55m

Bilbao

mar. 10/21

7:15 am-3:15 pm

1 stop17h 00m

$441

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

dom. 10/26

6:30 am-6:05 pm

2 stops27h 35m

Bilbao

mar. 11/11

7:25 am-4:29 pm

2 stops42h 04m

$455

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

dom. 10/26

6:30 am-6:05 pm

2 stops27h 35m

Bilbao

mar. 11/11

7:25 am-3:15 pm

1 stop16h 50m

$461

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

dom. 10/26

6:30 pm-6:05 pm

1 stop15h 35m

Bilbao

mar. 11/11

7:25 am-3:15 pm

1 stop16h 50m

$464

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

mar. 10/14

5:39 pm-11:25 pm

2 stops20h 46m

Bilbao

mar. 10/21

7:15 am-3:15 pm

1 stop17h 00m

$486

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

lun. 12/1

5:30 pm-11:05 pm

1 stop20h 35m

Bilbao

lun. 12/8

6:50 pm-3:15 pm

1 stop29h 25m

$492

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

lun. 12/1

5:30 pm-11:05 pm

1 stop20h 35m

Bilbao

lun. 12/8

11:35 am-10:32 am

2 stops55h 57m

$498

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

jue. 10/30

6:30 pm-11:05 pm

1 stop20h 35m

Bilbao

jue. 11/6

6:45 am-1:05 pm

1 stop15h 20m

$510

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

mar. 10/14

6:00 am-1:20 pm

2 stops22h 20m

Bilbao

mar. 10/21

6:45 am-9:28 pm

2 stops23h 43m

$511

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

vie. 10/3

4:30 pm-10:40 pm

1 stop21h 10m

$267

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 15 results
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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 September 12, 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 $1,136). 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 septiembre 15, 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 septiembre 15, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and Iberia 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.
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Iberia
7.0
Good
2,924 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Lufthansa
6.8
Okay
7,407 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • How long is the flight from Irvine to Bilbao?

    Lufthansa and Air Canada can get you from Irvine to Bilbao in just under 20h 55m. Your travel time can differ by up to 6h 40m. Airlines will cover a distance of 5726 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $1,136). 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

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Alternative routes for Irvine to Bilbao

See prices for flight routes from nearby airports that may be better suited for you.
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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 septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$607Average$920FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$635Average$1,118FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$635Average$1,068FlexibilityNo cancel feeOn-time76%
KLMCheapest$643Average$1,088FlexibilityNo cancel feeOn-time75%
LEVELCheapest$669Average$978FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$677Average$1,278FlexibilityNo cancel feeOn-time71%
DeltaCheapest$749Average$1,040FlexibilityNo cancel feeOn-timeN/A

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