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$420+ Cheap flights from Barcelona-El Prat (BCN) 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — SAN
May 25 — Jun 11
Mon 5/25
Mon 6/1
1 adult, Economy
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Cheap flight deals from Barcelona-El Prat to San Diego

Cheapest flights from Barcelona-El Prat to San Diego
Explore the most affordable flight options available from Barcelona-El Prat to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:30 pm
BCN
-
SAN
1 stop25h 24m
Multiple Airlines
Sun 9/207:15 am
SAN
-
BCN
2 stops40h 35m
Multiple Airlines
Deal found 4/23$801
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:30 pm
BCN
-
SAN
1 stop25h 24m
Multiple Airlines
Sat 9/198:59 pm
SAN
-
BCN
2 stops40h 31m
Multiple Airlines
Deal found 4/23$817
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:30 pm
BCN
-
SAN
1 stop25h 24m
Multiple Airlines
Tue 9/155:15 pm
SAN
-
BCN
2 stops21h 10m
Multiple Airlines
Deal found 4/23$833
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:30 pm
BCN
-
SAN
1 stop25h 24m
Multiple Airlines
Sun 9/205:15 pm
SAN
-
BCN
1 stop20h 10m
Multiple Airlines
Deal found 4/23$843
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/218:45 pm
BCN
-
SAN
2 stops56h 39m
Multiple Airlines
Sun 12/65:35 pm
SAN
-
BCN
1 stop15h 00m
Multiple Airlines
Deal found 4/23$850
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:30 pm
BCN
-
SAN
1 stop25h 24m
Multiple Airlines
Tue 9/155:15 pm
SAN
-
BCN
2 stops21h 10m
Multiple Airlines
Deal found 4/23$853
This Kiwi.com deal was found by Cheapflights users on 4/20. 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.
Wed 7/16:30 pm
BCN
-
SAN
1 stop26h 13m
Multiple Airlines
Tue 7/78:52 pm
SAN
-
BCN
1 stop30h 18m
Multiple Airlines
Deal found 4/20$858
This Travelis deal was found by Cheapflights users on 4/23. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:20 am
BCN
-
SAN
1 stop14h 30m
KLM
Thu 5/141:40 pm
SAN
-
BCN
1 stop20h 10m
KLM
Deal found 4/23$861
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:35 pm
BCN
-
SAN
1 stop27h 19m
Multiple Airlines
Sat 12/57:00 am
SAN
-
BCN
1 stop21h 20m
Multiple Airlines
Deal found 4/23$864
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:35 pm
BCN
-
SAN
1 stop27h 19m
Multiple Airlines
Fri 12/47:00 am
SAN
-
BCN
1 stop21h 20m
Multiple Airlines
Deal found 4/23$870
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:30 pm
BCN
-
SAN
1 stop25h 24m
Multiple Airlines
Thu 9/175:15 pm
SAN
-
BCN
2 stops21h 10m
Multiple Airlines
Deal found 4/23$875

Find flight deals from Barcelona-El Prat to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Barcelona-El Prat (BCN) 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 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$801
(Kiwi.com)

One-way from

$420
(Kiwi.com)

Popular in

January

Cheapest in

May

Average price

$993
Provider with most accurate pricing for Barcelona-El Prat-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Barcelona-El Prat-San Diego flights.
Search Deals
From Barcelona-El Prat to San Diego
Search Deals
One-way flight from Barcelona-El Prat to San Diego
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($147 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Barcelona-El Prat 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 25, 2026.
Use the filters below to find and compare flights from Barcelona-El Prat Airport to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Fri 10/2

7:55 am-3:25 pm

1 stop16h 30m

San Diego

Tue 10/6

7:15 am-2:20 pm

1 stop22h 05m

$940

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Fri 9/11

7:55 am-3:25 pm

1 stop16h 30m

San Diego

Mon 9/14

6:20 am-2:20 pm

1 stop23h 00m

$942

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 9/7

7:55 am-3:25 pm

1 stop16h 30m

San Diego

Fri 9/18

6:20 am-2:20 pm

1 stop23h 00m

$942

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Sat 9/12

7:55 am-3:25 pm

1 stop16h 30m

San Diego

Sun 9/20

6:20 am-2:20 pm

1 stop23h 00m

$942

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Sun 6/7

8:40 pm-2:55 pm

1 stop27h 15m

San Diego

Sun 6/14

6:15 am-6:45 am

1 stop15h 30m

$967

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Wed 7/1

8:00 am-12:31 am

2 stops25h 31m

San Diego

Tue 7/7

6:40 am-9:00 am

2 stops17h 20m

$1,115

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 6/29

6:40 am-12:31 am

2 stops26h 51m

San Diego

Mon 7/13

7:41 pm-1:15 pm

2 stops32h 34m

$1,115
Quickest round-trip

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Thu 7/30

6:20 am-11:50 am

1 stop14h 30m

San Diego

Sun 8/9

6:15 am-12:50 pm

1 stop21h 35m

$1,119

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 7/27

3:15 pm-9:33 am

1 stop27h 18m

San Diego

Sat 8/8

10:39 am-2:55 pm

2 stops19h 16m

$1,123
Cheapest one-way

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Sat 9/19

7:40 am-5:50 pm

1 stop19h 10m

$627

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from Barcelona-El Prat 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 Barcelona-El Prat to San Diego in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 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 Barcelona-El Prat Airport-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Barcelona-El Prat Airport-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Barcelona-El Prat Airport-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Barcelona-El Prat Airport-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 Barcelona-El Prat Airport-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 Barcelona-El Prat to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Barcelona-El Prat 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 Barcelona-El Prat Airport to San Diego

What is the cheapest month to book a flight from Barcelona-El Prat Airport to San Diego?

Currently, May is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to San Diego (average of $755). Flying from Barcelona-El Prat Airport to San Diego in January is currently the most expensive (average of $1,329). 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 Barcelona-El Prat Airport to San Diego?

Related info for your journey

Find useful and relevant information for your journey from Barcelona-El Prat 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 airport do you fly into for flights to San Diego from Barcelona-El Prat?

    San Diego (SAN) is the airport you will fly into if you book a flight from Barcelona-El Prat to San Diego. You should not have trouble finding flights to San Diego from Barcelona-El Prat; the airport handles an average of 0 inbound flights from Barcelona-El Prat per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the San Diego airport from Barcelona-El Prat. It is only a 2.6 mi journey from San Diego (SAN) to San Diego’s city center.

  • How long is the flight from Barcelona-El Prat Airport to San Diego?

    A quick flight from Barcelona-El Prat Airport to San Diego can take about 16h 30m. United Airlines provides one of the quickest options available for as low as $940. The distance from Barcelona-El Prat Airport to San Diego is about 6025 mi.

  • What are the cheapest airlines to fly from Barcelona-El Prat Airport to San Diego one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $521. British Airways flights start at $535 while deals on Lufthansa start at $646 one-way.

  • Can I find deals for flights from Barcelona-El Prat to San Diego that include hotel bookings?

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

  • How can I find direct flights from Barcelona-El Prat to San Diego?

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

  • Can I find deals for business class flights from Barcelona-El Prat to San Diego?

    Yes. Cheapflights offers flight deals from Barcelona-El Prat 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 Barcelona-El Prat Airport to San Diego?

    Currently, May is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to San Diego (average of $755). Flying from Barcelona-El Prat Airport to San Diego in January is currently the most expensive (average of $1,329). 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
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