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$425+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — SAN
Jul 10 — Jul 171
Fri 7/10
Fri 7/17
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 June 10, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/8. 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 11/196:45 pm
BCN
-
SAN
1 stop33h 14m
Multiple Airlines
Sat 12/57:00 am
SAN
-
BCN
1 stop21h 10m
Multiple Airlines
Deal found 6/8$709
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 11/216:35 pm
BCN
-
SAN
1 stop36h 48m
Multiple Airlines
Sat 12/57:00 am
SAN
-
BCN
1 stop21h 10m
Multiple Airlines
Deal found 6/8$735
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:00 pm
BCN
-
SAN
1 stop29h 10m
British Airways
Tue 11/176:00 pm
SAN
-
BCN
1 stop15h 25m
British Airways
Deal found 6/10$818
This lol.travel deal was found by Cheapflights users on 6/5. 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.
Thu 10/2212:20 pm
BCN
-
SAN
1 stop29h 51m
Finnair
Sun 10/2511:09 am
SAN
-
BCN
1 stop13h 41m
Finnair
Deal found 6/5$820
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 10/226:30 pm
BCN
-
SAN
1 stop25h 41m
Multiple Airlines
Sun 10/256:15 am
SAN
-
BCN
2 stops30h 20m
Multiple Airlines
Deal found 6/5$828
This British Airways deal was found by Cheapflights users on 6/7. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:30 am
BCN
-
SAN
1 stop20h 00m
British Airways
Mon 9/214:45 pm
SAN
-
BCN
1 stop15h 50m
British Airways
Deal found 6/7$831
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:40 am
BCN
-
SAN
1 stop18h 30m
British Airways
Sun 12/66:00 pm
SAN
-
BCN
1 stop19h 30m
British Airways
Deal found 6/10$836

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 June 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$709
(Kiwi.com)

One-way from

$425
(Kiwi.com)

Popular in

May

Cheapest in

February

Average price

$1,028
Provider with most accurate pricing for Barcelona-El Prat-San Diego flight deals.
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Provider most trusted by Cheapflights users for Barcelona-El Prat-San Diego flights.
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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. 10% potential increase in price ($125 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in June 2026
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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 June 10, 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

Thu 9/17

10:30 am-9:11 am

1 stop31h 41m

San Diego

Mon 9/21

4:45 pm-4:25 pm

1 stop14h 40m

$831

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 11/9

6:00 am-8:25 pm

2 stops23h 25m

San Diego

Tue 11/17

8:00 am-11:10 am

2 stops18h 10m

$836

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 11/9

6:40 am-6:07 pm

2 stops20h 27m

San Diego

Tue 11/17

10:48 am-12:45 pm

2 stops16h 57m

$853

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 11/23

10:10 am-9:52 pm

2 stops20h 42m

San Diego

Sat 12/5

6:00 pm-7:10 pm

1 stop16h 10m

$857

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 11/23

10:10 am-9:58 pm

2 stops20h 48m

San Diego

Sun 12/6

4:25 pm-7:05 pm

2 stops17h 40m

$858

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Sun 11/22

10:10 am-9:52 pm

2 stops20h 42m

San Diego

Fri 12/4

8:25 am-11:35 am

2 stops18h 10m

$875

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Thu 7/16

12:50 pm-9:09 am

1 stop29h 19m

San Diego

Wed 7/29

10:20 am-9:45 am

1 stop14h 25m

$929

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Wed 7/15

8:00 am-6:21 pm

2 stops19h 21m

San Diego

Wed 7/22

10:04 am-10:10 pm

2 stops27h 06m

$985
Quickest round-trip

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Thu 8/6

6:20 am-11:50 am

1 stop14h 30m

San Diego

Mon 8/10

3:00 pm-5:10 pm

2 stops17h 10m

$1,093

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 7/13

11:10 am-11:30 pm

2 stops21h 20m

San Diego

Sun 7/19

1:36 pm-5:10 pm

2 stops18h 34m

$1,099

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 22 resultsSorted by cheapest first
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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 June.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice 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 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, February is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to San Diego (average of $786). Flying from Barcelona-El Prat Airport to San Diego in May is currently the most expensive (average of $1,470). 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 23h 25m. British Airways provides one of the quickest options available for as low as $836. The distance from Barcelona-El Prat Airport to San Diego is about 6025 mi. This flight may include one or multiple stops.

  • 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 British Airways, which is currently one of the cheapest options available, starting at $537. Iberia flights start at $598 while deals on American Airlines start at $621 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, February is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to San Diego (average of $786). Flying from Barcelona-El Prat Airport to San Diego in May is currently the most expensive (average of $1,470). 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?

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