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Bilbao

$333+ Cheap flights from Riverside, 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BIO
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from Riverside 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 Riverside to Bilbao

Keep the following information in mind while searching for Riverside to Bilbao flight deals. Data was last updated July 31, 2025.

Round-trip from

$544
(Kiwi.com)

One-way from

$333
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$1,105
From Riverside to Bilbao
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One-way flight from Riverside to Bilbao
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Highest demand for flights based on searches. 13% potential increase in price ($156 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Riverside to Bilbao

Cheapest flights from Riverside to Bilbao
Explore the most affordable flight options available from Riverside to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 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 LEVEL deal was found by Cheapflights users on 7/28. 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.
Sun 11/97:50 pmLAX - BIO
1 stop27h 30mLEVEL
Wed 11/197:45 pmBIO - LAX
1 stop32h 25mLEVEL
Deal found 7/28$577
This FlightHub deal was found by Cheapflights users on 7/28. 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 stop15h 15mLufthansa
Deal found 7/28$588
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Sun 11/95:30 pmLAX - BIO
1 stop20h 35mUnited Airlines
Wed 11/1912:45 pmBIO - LAX
2 stops30h 47mUnited Airlines
Deal found 7/28$598
This Iberia 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 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 7/30$600
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 TAP AIR PORTUGAL 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/64:40 pmLAX - BIO
1 stop34h 00mTAP AIR PORTUGAL
Mon 9/1512:25 pmBIO - LAX
1 stop35h 15mTAP AIR PORTUGAL
Deal found 7/29$746
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/63:05 pmLAX - BIO
2 stops22h 45mAustrian Airlines
Mon 9/152:10 pmBIO - LAX
2 stops31h 55mAustrian Airlines
Deal found 7/29$802
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/77:50 pmLAX - BIO
1 stop27h 25mVueling
Thu 8/217:00 amBIO - LAX
1 stop20h 05mVueling
Deal found 7/29$804
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 Riverside 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 July 31, 2025.
Use the filters below to find and compare flights from Riverside to Bilbao that are best for you.

Fly from

Riverside

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-1:00 pm

1 stop15h 15m

$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

$600

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

Wed 10/1

7:30 am-6:20 pm

2 stops25h 50m

Bilbao

Wed 10/8

6:45 am-4:08 pm

2 stops18h 23m

$602

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

Sat 9/6

4:40 pm-11:40 am

1 stop34h 00m

Bilbao

Mon 9/15

12:25 pm-2:40 pm

1 stop35h 15m

$746

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

Sat 9/6

3:05 pm-10:50 pm

2 stops22h 45m

Bilbao

Mon 9/15

2:10 pm-1:05 pm

2 stops31h 55m

$802

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

Thu 8/7

7:50 pm-8:15 am

1 stop27h 25m

Bilbao

Thu 8/21

7:00 am-6:05 pm

1 stop20h 05m

$804

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 8/23

10:50 pm-8:30 am

3 stops48h 40m

$333

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 20 results
1
2

Best time to book a flight from Riverside to Bilbao

Have a flexible travel schedule? Discover the best time to fly to Bilbao from Riverside 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 Riverside to Bilbao

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

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

The best time to book flights from Riverside 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 Riverside to Bilbao?

Currently, January is the cheapest month in which you can book a flight from Riverside to Bilbao (average of $541). Flying from Riverside 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 R1V to BIO?

Find hourly flight availability from Riverside 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 July 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Riverside to Bilbao as you normally would.

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

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

Travelers seeking maximum savings on their Riverside 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 July 31, 2025.
See what other customers who have flown with Finnair, United Airlines, and Turkish Airlines from Riverside to Bilbao have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,316 reviews

Comfort

7.5

Boarding

7.6

Food

6.7

Crew

8.1

Overall

7.6

Entertainment

6.9

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
1,316 reviews
Finnair
7.6
Good
1,316 reviews

Comfort

7.5

Boarding

7.6

Food

6.7

Crew

8.1

Overall

7.6

Entertainment

6.9

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
8,900 reviews
Finnair
7.6
Good
1,316 reviews

Comfort

7.5

Boarding

7.6

Food

6.7

Crew

8.1

Overall

7.6

Entertainment

6.9

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
3,933 reviews
Finnair
7.6
Good
1,316 reviews

Comfort

7.5

Boarding

7.6

Food

6.7

Crew

8.1

Overall

7.6

Entertainment

6.9

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
1,316 reviews

Comfort

7.5

Boarding

7.6

Food

6.7

Crew

8.1

Overall

7.6

Entertainment

6.9

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
9,851 reviews
Finnair
7.6
Good
1,316 reviews

Comfort

7.5

Boarding

7.6

Food

6.7

Crew

8.1

Overall

7.6

Entertainment

6.9

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 Riverside 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 Riverside?

    Located just 3.0 mi from the city center, Bilbao is the airport most travelers will use when flying to Bilbao from Riverside. Booking flights from Riverside to Bilbao (BIO) should be relatively easy as there are 0 daily inbound flights from Riverside from 7 different airlines.

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

    The cheapest airlines for a one-way flight from Riverside to Bilbao are Iberia ($348), LEVEL ($355), and TAP AIR PORTUGAL ($438).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Riverside 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 Riverside to Bilbao?

    Currently, January is the cheapest month in which you can book a flight from Riverside to Bilbao (average of $541). Flying from Riverside 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

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Alternative routes for Riverside to Bilbao

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Top 7 airlines flying from Riverside to Bilbao

Discover the top 7 airlines that operate flights from Riverside 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 July 31, 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

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