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Bilbao

$748+ Cheap flights from San Diego (SAN) 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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BIO
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheap flight deals from San Diego to Bilbao

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Bilbao (BIO). 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 April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$770
(lol.travel)

One-way from

$748
(KAYAK)

Popular in

January

Cheapest in

November

Average price

$2,049
Provider with most accurate pricing for San Diego-Bilbao flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Bilbao flights.
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From San Diego to Bilbao
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One-way flight from San Diego to Bilbao
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Highest demand for flights based on searches. 27% potential increase in price ($460 potential increase over avg. RT price).
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Cheapest flight prices on average. 15% potential price decrease ($164 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from San Diego to Bilbao

Cheapest flights from San Diego to Bilbao
Explore the most affordable flight options available from San Diego to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

This lol.travel deal was found by Cheapflights users on 4/28. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/128:00 amSAN - BIO
2 stops21h 45mAir Canada
Wed 5/2111:50 amBIO - SAN
2 stops33h 10mAir Canada
Deal found 4/28$770
This Gotogate deal was found by Cheapflights users on 4/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/122:30 pmSAN - BIO
2 stops18h 20mLufthansa
Wed 5/217:15 amBIO - SAN
1 stop17h 10mLufthansa
Deal found 4/28$798
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/128:00 amSAN - BIO
2 stops17h 25mDelta
Wed 5/2112:00 pmBIO - SAN
1 stop33h 00mDelta
Deal found 4/28$807
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Mon 5/125:15 pmSAN - BIO
1 stop21h 10mUnited Airlines
Wed 5/217:15 amBIO - SAN
1 stop17h 10mUnited Airlines
Deal found 4/28$811
This United deal was found by Cheapflights users on 4/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/227:02 amSAN - BIO
1 stop18h 43mMultiple Airlines
Tue 8/56:35 pmBIO - SAN
1 stop29h 50mMultiple Airlines
Deal found 4/27$963
This KLM deal was found by Cheapflights users on 4/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/51:55 pmSAN - BIO
1 stop36h 20mKLM
Wed 6/185:15 pmBIO - SAN
1 stop27h 45mKLM
Deal found 4/28$1,204
This Iberia deal was found by Cheapflights users on 4/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/16:28 amSAN - BIO
2 stops30h 27mIberia
Mon 6/169:35 pmBIO - SAN
2 stops34h 51mIberia
Deal found 4/28$1,371
This eDestinos deal was found by Cheapflights users on 4/28. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/710:45 pmSAN - BIO
2 stops33h 45mAer Lingus
Wed 9/106:10 pmBIO - SAN
2 stops58h 09mAer Lingus
Deal found 4/28$1,623

Cheapflights Fare Finder

Customize your flight search to find flights from San Diego 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 April 29, 2025.
Use the filters below to find and compare flights from San Diego to Bilbao that are best for you.

Fly from

San Diego

Fly to

Bilbao

Route

Depart

Return

Price

San DiegoBilbao

SAN - BIO

SANBIO

San Diego

Mon 5/12

8:00 am-2:45 pm

2 stops21h 45m

Bilbao

Wed 5/21

11:50 am-12:00 pm

2 stops33h 10m

$770

San DiegoBilbao

SAN - BIO

SANBIO

San Diego

Mon 5/12

2:30 pm-5:50 pm

2 stops18h 20m

Bilbao

Wed 5/21

7:15 am-3:25 pm

1 stop17h 10m

$798

San DiegoBilbao

SAN - BIO

SANBIO

San Diego

Mon 5/12

8:00 am-10:25 am

2 stops17h 25m

Bilbao

Wed 5/21

12:00 pm-12:00 pm

1 stop33h 00m

$807

San DiegoBilbao

SAN - BIO

SANBIO

San Diego

Mon 5/12

5:15 pm-11:25 pm

1 stop21h 10m

Bilbao

Wed 5/21

7:15 am-3:25 pm

1 stop17h 10m

$811

San DiegoBilbao

SAN - BIO

SANBIO

San Diego

Tue 7/22

7:02 am-10:45 am

1 stop18h 43m

Bilbao

Tue 8/5

6:35 pm-3:25 pm

1 stop29h 50m

$963

San DiegoBilbao

SAN - BIO

SANBIO

San Diego

Thu 6/5

1:55 pm-11:15 am

1 stop36h 20m

Bilbao

Wed 6/18

5:15 pm-12:00 pm

1 stop27h 45m

$1,204

San DiegoBilbao

SAN - BIO

SANBIO

San Diego

Sun 6/1

6:28 am-9:55 pm

2 stops30h 27m

Bilbao

Mon 6/16

9:35 pm-11:26 pm

2 stops34h 51m

$1,371

San DiegoBilbao

SAN - BIO

SANBIO

San Diego

Sun 9/7

10:45 pm-5:30 pm

2 stops33h 45m

Bilbao

Wed 9/10

6:10 pm-7:19 pm

2 stops58h 09m

$1,623

San DiegoBilbao

SAN - BIO

SANBIO

San Diego

Thu 7/3

10:45 pm-5:30 pm

2 stops33h 45m

$748

San DiegoBilbao

SAN - BIO

SANBIO

San Diego

Thu 7/3

5:15 pm-5:50 pm

1 stop15h 35m

$914

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 12 results
1
2

Compare providers for flights from San Diego to Bilbao

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 San Diego to Bilbao in April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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 San Diego-Bilbao flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on San Diego-Bilbao flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from San Diego-Bilbao flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Bilbao 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 San Diego-Bilbao 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 San Diego to Bilbao

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

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

Currently, January is the cheapest month in which you can book a flight from San Diego to Bilbao (average of $541). Flying from San Diego to Bilbao in June is currently the most expensive (average of $1,178). 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 SAN to BIO?

Find hourly flight availability from San Diego 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 April 29, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 18% on flights from San Diego to Bilbao by exploring options for tickets at noon.

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 April 29, 2025.
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

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
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

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
1,333 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

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
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

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.
Air Canada
7.0
Good
9,240 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

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.
Aer Lingus
7.0
Good
1,076 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

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 San Diego to Bilbao. 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 San Diego to Bilbao round-trip?

    Our cheapest airline available from San Diego to Bilbao is Air Canada. Our recent data shows that you can find tickets from as low as $770 on this airline. Additional options worth looking into are Lufthansa and Delta, starting at $798 and $807 round-trip. These flights start at 37% lower than the current average price 3 months from now.

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

    For one-way options, check prices for Aer Lingus. According to our data, you can fly for as low as $748. Users have also found prices from $914 and $955 on Lufthansa and United Airlines, respectively.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from San Diego to Bilbao (average of $541). Flying from San Diego to Bilbao in June is currently the most expensive (average of $1,178). 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

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Top airline flying from San Diego to Bilbao

Discover the top airline that operate flights from San Diego 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$680Average$1,171FlexibilityNo cancel feeOn-time76%

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