$871+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — SAN
Nov 23 — Nov 301
Round-trip
1 adult, Economy
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Find cheap flights from Bilbao to San Diego with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Bilbao to San Diego
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Best
Last-minute
One-way
Cheapest flights from Bilbao to San DiegoExplore 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 October 24, 2026.
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 October 24, 2026.
This lastminute.com deal was found by Cheapflights users on 10/21. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:10 pm -
2 stops31h 21m
Sat 1/169:39 pm -
2 stops35h 56m
Deal found 10/21![TAP AIR PORTUGAL logo]()
$871
This Flysmarter deal was found by Cheapflights users on 10/21. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:50 am -
1 stop14h 20m
Sat 1/161:05 pm -
2 stops19h 20m
Deal found 10/21![Multiple Airlines logo]()
$891
This Flysmarter deal was found by Cheapflights users on 10/21. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:50 am -
1 stop14h 20m
Sat 1/162:05 pm -
1 stop17h 25m
Deal found 10/21![KLM logo]()
$894
This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:50 am -
1 stop14h 20m
Sat 12/1211:07 am -
2 stops21h 18m
Deal found 10/21![Delta logo]()
$896
This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:50 am -
1 stop14h 20m
Mon 11/2311:02 am -
2 stops21h 23m
Deal found 10/21![Delta logo]()
$907
This Flysmarter deal was found by Cheapflights users on 10/21. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:50 am -
1 stop14h 20m
Tue 11/242:05 pm -
1 stop17h 25m
Deal found 10/21![KLM logo]()
$911
This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:50 am -
2 stops24h 12m
Tue 11/107:32 am -
2 stops24h 53m
Deal found 10/21![Delta logo]()
$912
This Gotogate deal was found by Cheapflights users on 10/23. 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 11/237:30 am -
1 stop17h 15m
Mon 11/305:35 pm -
1 stop20h 35m
Deal found 10/23![Lufthansa logo]()
$913
This Flightnetwork deal was found by Cheapflights users on 10/21. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:30 am -
1 stop17h 15m
Mon 11/235:35 pm -
1 stop20h 35m
Deal found 10/21![Lufthansa logo]()
$932
This United Airlines deal was found by Cheapflights users on 10/23. 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 11/236:45 am -
2 stops20h 49m
Mon 11/305:35 pm -
1 stop20h 35m
Deal found 10/23![United Airlines logo]()
$944
This Gotogate deal was found by Cheapflights users on 10/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:30 am -
1 stop17h 15m
Tue 11/105:35 pm -
1 stop19h 20m
Deal found 10/21![Lufthansa logo]()
$951
Best flights from Bilbao to San DiegoDiscover 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 October 24, 2026.
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 October 24, 2026.
This United Airlines deal was found by Cheapflights users on 10/19. 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 2/126:45 am -
3 stops26h 44m
Tue 2/167:00 am -
2 stops29h 55m
Deal found 10/19![United Airlines logo]()
$876
This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:50 am -
1 stop14h 20m
Sat 12/1211:07 am -
2 stops21h 18m
Deal found 10/21![Delta logo]()
$896
This KLM deal was found by Cheapflights users on 10/23. 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.
Mon 12/76:50 am -
2 stops20h 00m
Mon 12/147:32 am -
2 stops18h 58m
Deal found 10/23![Multiple Airlines logo]()
$912
This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:50 am -
1 stop14h 20m
Mon 11/2311:02 am -
2 stops21h 23m
Deal found 10/21![Delta logo]()
$907
This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:50 am -
2 stops21h 51m
Tue 11/249:43 am -
2 stops22h 42m
Deal found 10/21![Delta logo]()
$912
This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:50 am -
2 stops22h 38m
Tue 11/102:05 pm -
1 stop17h 25m
Deal found 10/21![Delta logo]()
$917
This Delta deal was found by Cheapflights users on 10/23. 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.
Sat 11/76:50 am -
1 stop14h 20m
Wed 11/119:43 am -
2 stops40h 47m
Deal found 10/23![Delta logo]()
$987
Last-minute flights from Bilbao to San DiegoDiscover last-minute flight deals from Bilbao to San Diego. Data last updated October 24, 2026 and is based on user searches.
Discover last-minute flight deals from Bilbao to San Diego. Data last updated October 24, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:50 am -
2 stops24h 12m
Tue 11/107:32 am -
2 stops24h 53m
Deal found 10/21![Delta logo]()
$912
This Gotogate deal was found by Cheapflights users on 10/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:30 am -
1 stop17h 15m
Tue 11/105:35 pm -
1 stop19h 20m
Deal found 10/21![Lufthansa logo]()
$951
This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:50 am -
1 stop14h 20m
Mon 11/2311:02 am -
2 stops21h 23m
Deal found 10/21![Delta logo]()
$907
This Flysmarter deal was found by Cheapflights users on 10/21. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:50 am -
1 stop14h 20m
Tue 11/242:05 pm -
1 stop17h 25m
Deal found 10/21![KLM logo]()
$911
This Flightnetwork deal was found by Cheapflights users on 10/21. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:30 am -
1 stop17h 15m
Mon 11/235:35 pm -
1 stop20h 35m
Deal found 10/21![Lufthansa logo]()
$932
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Tue 11/106:45 am -
3 stops22h 52m
Mon 11/234:18 pm -
2 stops21h 52m
Deal found 10/21![United Airlines logo]()
$967
This lastminute.com deal was found by Cheapflights users on 10/21. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:10 pm -
2 stops31h 21m
Sat 1/169:39 pm -
2 stops35h 56m
Deal found 10/21![TAP AIR PORTUGAL logo]()
$871
This Flysmarter deal was found by Cheapflights users on 10/21. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:50 am -
1 stop14h 20m
Sat 1/161:05 pm -
2 stops19h 20m
Deal found 10/21![Multiple Airlines logo]()
$891
This Flysmarter deal was found by Cheapflights users on 10/21. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:50 am -
1 stop14h 20m
Sat 1/162:05 pm -
1 stop17h 25m
Deal found 10/21![KLM logo]()
$894
This Gotogate deal was found by Cheapflights users on 10/23. 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 11/237:30 am -
1 stop17h 15m
Mon 11/305:35 pm -
1 stop20h 35m
Deal found 10/23![Lufthansa logo]()
$913
This United Airlines deal was found by Cheapflights users on 10/23. 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 11/236:45 am -
3 stops22h 52m
Mon 11/302:30 pm -
2 stops23h 40m
Deal found 10/23![United Airlines logo]()
$944
One-way flights from Bilbao to San DiegoSearch for one-way flight options from Bilbao to San Diego. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
Search for one-way flight options from Bilbao to San Diego. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:05 am -
3 stops35h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$1,944
This KAYAK deal was found by Cheapflights users on 10/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:30 am -
1 stop17h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Lufthansa logo]()
$3,789
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 October 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $699 (United Airlines) |
Popular in | July |
Cheapest in | February |
Average price | $729 |
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 7,457,451 searches. Data last updated October 24, 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
Cheapest round-trip
BilbaoSan Diego
BIO Bilbao - SAN San Diego
BIOSAN
Bilbao
Fri 2/12
6:45 am-12:29 am
3 stops26h 44m
San Diego
Tue 2/16
7:00 am-9:55 pm
2 stops29h 55m
$876
BilbaoSan Diego
BIO Bilbao - SAN San Diego
BIOSAN
Bilbao
Sat 12/5
6:50 am-12:10 pm
1 stop14h 20m
San Diego
Sat 12/12
11:07 am-5:25 pm
2 stops21h 18m
$896
BilbaoSan Diego
BIO Bilbao - SAN San Diego
BIOSAN
Bilbao
Tue 11/10
6:50 am-12:10 pm
1 stop14h 20m
San Diego
Mon 11/23
11:02 am-5:25 pm
2 stops21h 23m
$907
BilbaoSan Diego
BIO Bilbao - SAN San Diego
BIOSAN
Bilbao
Mon 12/7
6:50 am-5:50 pm
2 stops20h 00m
San Diego
Mon 12/14
7:32 am-11:30 am
2 stops18h 58m
$912
BilbaoSan Diego
BIO Bilbao - SAN San Diego
BIOSAN
Bilbao
Tue 11/10
6:50 am-7:41 pm
2 stops21h 51m
San Diego
Tue 11/24
9:43 am-5:25 pm
2 stops22h 42m
$912
BilbaoSan Diego
BIO Bilbao - SAN San Diego
BIOSAN
Bilbao
Fri 11/6
6:50 am-8:28 pm
2 stops22h 38m
San Diego
Tue 11/10
2:05 pm-4:30 pm
1 stop17h 25m
$917
BilbaoSan Diego
BIO Bilbao - SAN San Diego
BIOSAN
Bilbao
Sat 11/7
6:50 am-12:10 pm
1 stop14h 20m
San Diego
Wed 11/11
9:43 am-11:30 am
2 stops40h 47m
$987
BilbaoSan Diego
BIO Bilbao - SAN San Diego
BIOSAN
Bilbao
Tue 11/17
8:05 am-10:05 am
3 stops35h 00m
San Diego
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$1,944
Quickest round-trip
BilbaoSan Diego
BIO Bilbao - SAN San Diego
BIOSAN
Bilbao
Tue 11/17
7:30 am-3:45 pm
1 stop17h 15m
San Diego
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$3,789
Sorted by cheapest first
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Bilbao-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bilbao-San Diego flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
BIO-SAN
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.
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.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
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Julian
Santee
Lemon Grove
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