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Bilbao

$248+ 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BIO
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Riverside to Bilbao are usually found in March or February, booked 23 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 June 12, 2025.

Round-trip from

$633
(oojo)

One-way from

$248
(Mytrip)

Popular in

November

Cheapest in

March

Average price

$1,198
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. 16% potential increase in price ($208 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($52 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Iberia deal was found by Cheapflights users on 6/11. 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.
Mon 9/227:50 pmLAX - BIO
1 stop18h 10mIberia
Wed 10/87:00 amBIO - LAX
1 stop20h 05mIberia
Deal found 6/11$540
This Gotogate deal was found by Cheapflights users on 6/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/98:45 amLAX - BIO
2 stops22h 55mMultiple Airlines
Wed 11/199:25 amBIO - LAX
2 stops20h 55mMultiple Airlines
Deal found 6/10$563
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Mon 10/2010:30 pmLAX - BIO
2 stops29h 50mUnited Airlines
Tue 10/286:40 amBIO - LAX
1 stop15h 25mUnited Airlines
Deal found 6/10$593
This Air Canada deal was found by Cheapflights users on 6/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/202:30 pmLAX - BIO
2 stops18h 20mAir Canada
Tue 10/286:40 amBIO - LAX
2 stops35h 41mAir Canada
Deal found 6/11$596
This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/304:40 pmLAX - BIO
1 stop16h 25mTAP AIR PORTUGAL
Sat 9/136:35 pmBIO - LAX
1 stop28h 50mTAP AIR PORTUGAL
Deal found 6/10$633
This Gotogate deal was found by Cheapflights users on 6/10. 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 Gotogate 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
Sat 10/187:15 pmBIO - LAX
1 stop26h 45mLufthansa
Deal found 6/10$653
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:00 amLAX - BIO
2 stops18h 25mDelta
Sat 10/186:50 amBIO - LAX
2 stops18h 57mDelta
Deal found 6/10$683
This FlightHub deal was found by Cheapflights users on 6/9. 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 7/3012:10 amLAX - BIO
1 stop25h 55mTurkish Airlines
Sun 8/316:30 pmBIO - LAX
1 stop26h 15mTurkish Airlines
Deal found 6/9$825
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 7/176:00 amLAX - BIO
2 stops17h 30mAmerican Airlines
Mon 8/49:15 amBIO - LAX
1 stop15h 50mAmerican Airlines
Deal found 6/11$1,048
This KLM deal was found by Cheapflights users on 6/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/113:25 pmLAX - BIO
1 stop21h 35mKLM
Sat 7/267:10 amBIO - LAX
1 stop20h 05mKLM
Deal found 6/10$1,109

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 June 12, 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

Sat 8/30

4:40 pm-6:05 pm

1 stop16h 25m

Bilbao

Sat 9/13

6:35 pm-2:25 pm

1 stop28h 50m

$633

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

Mon 8/4

11:59 pm-10:45 am

1 stop25h 46m

Bilbao

Wed 8/20

12:30 pm-11:59 am

1 stop32h 29m

$644

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

Mon 8/4

4:30 pm-8:25 am

2 stops30h 55m

Bilbao

Wed 8/20

11:30 am-2:00 pm

1 stop35h 30m

$651

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

Wed 9/10

5:50 pm-8:50 pm

1 stop18h 00m

Bilbao

Thu 10/23

9:15 am-4:05 pm

1 stop15h 50m

$662

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

Thu 7/31

5:30 pm-11:25 pm

1 stop20h 55m

Bilbao

Sun 8/31

6:45 am-1:00 pm

1 stop15h 15m

$779

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

Wed 7/30

12:10 am-11:05 am

1 stop25h 55m

Bilbao

Sun 8/31

6:30 pm-11:45 am

1 stop26h 15m

$825

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

Sat 7/5

9:55 pm-4:05 pm

2 stops33h 10m

Bilbao

Fri 7/18

6:45 am-9:28 pm

2 stops23h 43m

$926

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

Tue 7/1

5:15 pm-4:40 pm

1 stop14h 25m

Bilbao

Tue 7/8

11:55 am-11:00 pm

2 stops20h 05m

$939

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

Thu 7/17

6:00 am-8:30 am

2 stops17h 30m

Bilbao

Mon 8/4

9:15 am-4:05 pm

1 stop15h 50m

$1,048

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

Fri 7/11

3:25 pm-10:00 pm

1 stop21h 35m

Bilbao

Sat 7/26

7:10 am-6:15 pm

1 stop20h 05m

$1,109

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 22 results
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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 June 9, 2025.

The best time to book flights from Riverside to Bilbao is 23 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 $1,139). 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 June 12, 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.

Rainfall in Bilbao by month

Plan your trip to Bilbao by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bilbao ranges from 2.4 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Bilbao when rainfall is around 2.4 in.

Temperature in Bilbao by month

Plan your trip to Bilbao by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bilbao, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 June 12, 2025.
Read through reviews of airlines operating flights from Riverside to Bilbao, such as Delta, KLM and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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.
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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.
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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.
Brussels Airlines
7.4
Good
355 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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 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 8 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 ($360), Vueling ($371), and United Airlines ($485).

  • 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 $1,139). 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

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Riverside to Bilbao

Discover the top 8 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$611Average$949FlexibilityNo cancel feeOn-time77%
KLMCheapest$620Average$1,204FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$635Average$1,196FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$673Average$1,249FlexibilityNo cancel feeOn-time76%
LEVELCheapest$677Average$971FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$720Average$1,056FlexibilityNo cancel feeOn-time71%
DeltaCheapest$815Average$1,074FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$967Average$1,030FlexibilityNo cancel feeOn-time77%

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