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$741+ Cheap flights from Bilbao (BIO) to San Diego (SAN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — SAN
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
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Cheap flight deals from Bilbao to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Bilbao (BIO) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 22, 2024.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$741
(KLM)

Popular in

June

Cheapest in

November

Average price

$965
Provider with most accurate pricing for Bilbao-San Diego flight deals.
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Provider most trusted by Cheapflights users for Bilbao-San Diego flights.
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From Bilbao to San Diego
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High demand for flights, 15% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Bilbao to San Diego

Best flights from Bilbao to San Diego
Discover carefully curated flight deals from Bilbao to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 22, 2024.

This KLM deal was found by Cheapflights users on 12/21. 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.
Wed 4/27:10 amBIO - SAN
2 stops18h 50mKLM
Wed 4/96:20 amSAN - BIO
2 stops19h 05mKLM
Deal found 12/21$741
This Expedia deal was found by Cheapflights users on 12/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/27:15 amBIO - SAN
1 stop17h 10mLufthansa
Sat 5/107:00 amSAN - BIO
2 stops22h 45mLufthansa
Deal found 12/21$746
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Fri 5/27:15 amBIO - SAN
3 stops44h 05mUnited Airlines
Sat 5/1012:50 pmSAN - BIO
3 stops49h 35mUnited Airlines
Deal found 12/21$748
This Air Canada deal was found by Cheapflights users on 12/21. 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.
Wed 4/211:50 amBIO - SAN
3 stops32h 58mMultiple Airlines
Wed 4/97:30 pmSAN - BIO
2 stops42h 20mMultiple Airlines
Deal found 12/21$1,110

Find flights from Bilbao to San Diego within your budget

Customize your flight search to find flights from Bilbao to San Diego 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 December 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BilbaoSan Diego

BIO - SAN

BIOSAN

Bilbao

Wed 4/2

7:10 am-5:00 pm

2 stops18h 50m

San Diego

Wed 4/9

6:20 am-10:25 am

2 stops19h 05m

$741

BilbaoSan Diego

BIO - SAN

BIOSAN

Bilbao

Fri 5/2

7:15 am-3:25 pm

1 stop17h 10m

San Diego

Sat 5/10

7:00 am-2:45 pm

2 stops22h 45m

$746

BilbaoSan Diego

BIO - SAN

BIOSAN

Bilbao

Fri 5/2

7:15 am-6:20 pm

3 stops44h 05m

San Diego

Sat 5/10

12:50 pm-11:25 pm

3 stops49h 35m

$748

BilbaoSan Diego

BIO - SAN

BIOSAN

Bilbao

Wed 4/2

11:50 am-11:48 am

3 stops32h 58m

San Diego

Wed 4/9

7:30 pm-10:50 pm

2 stops42h 20m

$1,110

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Compare providers for flights from Bilbao to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Bilbao to San Diego in December.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Bilbao-San Diego flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Bilbao-San Diego flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Bilbao-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bilbao-San Diego flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bilbao-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Bilbao to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Bilbao 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.

Travel insights for flights from Bilbao to San Diego

Get recent, data-driven insights about flights from Bilbao to San Diego including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Bilbao to San Diego (average of $286). Flying from Bilbao to San Diego in March is currently the most expensive (average of $366). 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.

Rainfall in San Diego by month

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

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

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

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated December 22, 2024.
KLM
7.8
Good
1,342 reviews

Comfort

7.7

Overall

7.8

Boarding

7.9

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

KLM
7.8
Good
1,342 reviews
KLM
7.8
Good
1,342 reviews

Comfort

7.7

Overall

7.8

Boarding

7.9

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

United Airlines
7.4
Good
9,028 reviews
KLM
7.8
Good
1,342 reviews

Comfort

7.7

Overall

7.8

Boarding

7.9

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

Lufthansa
6.8
Okay
7,080 reviews
KLM
7.8
Good
1,342 reviews

Comfort

7.7

Overall

7.8

Boarding

7.9

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

Related info for your journey

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

  • What are the cheapest airlines flying from Bilbao to San Diego round-trip?

    Currently priced at $741, KLM will fly you from Bilbao to San Diego and back. In addition to KLM, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Lufthansa and United Airlines - these airlines can fly you to your destination from $746 and $748, respectively. Users have found that KLM is 21% cheaper than the other options available to this destination.

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

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

  • How can I find direct flights from Bilbao to San Diego?

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

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

    Yes. Cheapflights offers flight deals from Bilbao to San Diego 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 Bilbao to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Bilbao to San Diego (average of $286). Flying from Bilbao to San Diego in March is currently the most expensive (average of $366). 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.

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