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$516+ Cheap flights from Bilbao (BIO) to San Diego (SAN)

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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — SAN
May 30 — Jun 61
Sat 5/30
Sat 6/6
1 adult, Economy
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Cheap flight deals from Bilbao to San Diego

Cheapest flights from Bilbao to San Diego
Explore the most affordable flight options available from Bilbao to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2026.

This KLM deal was found by Cheapflights users on 4/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/85:15 pm
BIO
-
SAN
1 stop27h 35m
KLM
Fri 5/152:30 pm
SAN
-
BIO
2 stops17h 00m
KLM
Deal found 4/29$871
This Air France deal was found by Cheapflights users on 4/29. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:15 pm
BIO
-
SAN
1 stop27h 35m
Multiple Airlines
Tue 7/286:15 am
SAN
-
BIO
2 stops18h 35m
Multiple Airlines
Deal found 4/29$895
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:15 am
BIO
-
SAN
1 stop17h 10m
Lufthansa
Sun 5/175:15 pm
SAN
-
BIO
1 stop15h 40m
Lufthansa
Deal found 4/28$904
This Air Canada deal was found by Cheapflights users on 4/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:45 am
BIO
-
SAN
2 stops18h 30m
Multiple Airlines
Tue 6/168:10 am
SAN
-
BIO
2 stops29h 55m
Multiple Airlines
Deal found 4/29$923
This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/142:00 pm
BIO
-
SAN
2 stops19h 28m
Lufthansa
Mon 5/185:15 pm
SAN
-
BIO
1 stop15h 40m
Lufthansa
Deal found 4/29$928

Find 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 April 30, 2026.

Round-trip from

$895
(Air France)

One-way from

$516
(Kiwi.com)

Popular in

September

Cheapest in

February

Average price

$1,065
From Bilbao to San Diego
Search Deals
One-way flight from Bilbao to San Diego
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($9 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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Cheapflights Fare Finder

 
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 April 30, 2026.
Use the filters below to find and compare flights from Bilbao to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BilbaoSan Diego

BIO - SAN

BIOSAN

Bilbao

Wed 5/27

12:00 pm-11:50 am

1 stop32h 50m

San Diego

Tue 7/28

8:00 am-9:50 am

2 stops16h 50m

$895

BilbaoSan Diego

BIO - SAN

BIOSAN

Bilbao

Wed 5/13

6:50 am-5:24 pm

2 stops19h 34m

San Diego

Sun 5/17

5:15 pm-11:25 pm

1 stop21h 10m

$910
Quickest round-trip

BilbaoSan Diego

BIO - SAN

BIOSAN

Bilbao

Wed 5/27

7:15 am-3:25 pm

1 stop17h 10m

San Diego

Tue 7/28

6:40 am-10:45 am

1 stop19h 05m

$931

BilbaoSan Diego

BIO - SAN

BIOSAN

Bilbao

Fri 6/5

5:15 pm-11:50 am

1 stop27h 35m

San Diego

Tue 6/16

6:15 am-9:50 am

2 stops18h 35m

$1,038

BilbaoSan Diego

BIO - SAN

BIOSAN

Bilbao

Wed 5/13

2:10 pm-6:41 pm

3 stops37h 31m

San Diego

Sun 5/17

1:35 pm-8:05 pm

2 stops45h 30m

$1,073
Cheapest one-way

BilbaoSan Diego

BIO - SAN

BIOSAN

Bilbao

Fri 5/15

1:45 pm-10:09 pm

2 stops41h 24m

$550

BilbaoSan Diego

BIO - SAN

BIOSAN

Bilbao

Thu 5/7

9:40 pm-2:10 pm

3 stops49h 30m

$565

BilbaoSan Diego

BIO - SAN

BIOSAN

Bilbao

Sat 8/22

9:40 pm-2:10 pm

3 stops49h 30m

$665

BilbaoSan Diego

BIO - SAN

BIOSAN

Bilbao

Fri 5/15

7:15 am-3:25 pm

1 stop17h 10m

$917

BilbaoSan Diego

BIO - SAN

BIOSAN

Bilbao

Fri 8/14

12:45 pm-11:43 pm

2 stops19h 58m

$926

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

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.

Cheapflights Insights

Everything you need to know about your flight from Bilbao to San Diego

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

Currently, February is the cheapest month in which you can book a flight from Bilbao to San Diego (average of $631). Flying from Bilbao to San Diego in September is currently the most expensive (average of $1,242). 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.

How much does it cost to fly round-trip from Bilbao to San Diego?

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.

  • How long is the flight from Bilbao to San Diego?

    There are many flights that can get you from Bilbao to San Diego in 19h 34m. Fly via Lufthansa to get the fastest option. Bilbao and San Diego are separated by a distance of 5742 mi.

  • 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, February is the cheapest month in which you can book a flight from Bilbao to San Diego (average of $631). Flying from Bilbao to San Diego in September is currently the most expensive (average of $1,242). 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

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove

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