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$316+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — SAN
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
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 March 12, 2026.

This Expedia deal was found by Cheapflights users on 3/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2212:50 pm
BCN
-
SAN
1 stop29h 34m
JetBlue
Wed 4/298:30 pm
SAN
-
BCN
1 stop28h 15m
JetBlue
Deal found 3/7$687
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/92:05 pm
BCN
-
SAN
1 stop27h 10m
Multiple Airlines
Sat 4/255:52 pm
SAN
-
BCN
1 stop37h 33m
Multiple Airlines
Deal found 3/9$688
This lol.travel deal was found by Cheapflights users on 3/12. 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 5/1412:50 pm
BCN
-
SAN
1 stop29h 25m
JetBlue
Sun 5/178:30 pm
SAN
-
BCN
1 stop28h 15m
JetBlue
Deal found 3/12$780
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/2310:40 pm
BCN
-
SAN
2 stops43h 15m
Multiple Airlines
Thu 4/309:19 am
SAN
-
BCN
1 stop22h 06m
Multiple Airlines
Deal found 3/9$783
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Fri 9/46:30 pm
BCN
-
SAN
1 stop28h 54m
Multiple Airlines
Mon 9/217:00 am
SAN
-
BCN
1 stop21h 20m
Multiple Airlines
Deal found 3/9$784
This Delta deal was found by Cheapflights users on 3/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:20 am
BCN
-
SAN
1 stop14h 30m
Delta
Sun 5/36:25 am
SAN
-
BCN
2 stops19h 50m
Delta
Deal found 3/10$785
This KLM deal was found by Cheapflights users on 3/8. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:25 pm
BCN
-
SAN
1 stop27h 40m
KLM
Sat 11/147:00 am
SAN
-
BCN
1 stop16h 00m
KLM
Deal found 3/8$786

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 March 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$687
(Expedia)

One-way from

$316
(Kiwi.com)

Popular in

January

Cheapest in

March

Average price

$689
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. 9% potential increase in price ($96 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 12, 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 4/9

2:05 pm-8:15 am

1 stop27h 10m

San Diego

Sat 4/25

5:52 pm-4:25 pm

1 stop37h 33m

$745

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Sat 4/25

6:20 am-11:50 am

1 stop14h 30m

San Diego

Sun 5/3

6:25 am-11:15 am

2 stops19h 50m

$785
Quickest round-trip

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Thu 4/9

6:20 am-11:50 am

1 stop14h 30m

San Diego

Sat 4/25

7:30 am-11:15 am

2 stops18h 45m

$787

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Fri 9/4

9:20 am-6:54 pm

2 stops18h 34m

San Diego

Mon 9/21

3:59 pm-5:10 pm

2 stops16h 11m

$793

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Sun 4/26

12:20 pm-11:06 pm

2 stops19h 46m

San Diego

Sun 5/3

6:25 am-11:15 am

2 stops19h 50m

$797
Cheapest one-way

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Thu 6/18

10:15 am-5:50 pm

1 stop16h 35m

$535

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Wed 6/3

11:25 am-9:51 am

3 stops31h 26m

$625

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Sat 5/16

11:25 am-9:15 am

3 stops30h 50m

$704

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Sat 5/16

11:25 am-9:15 am

3 stops30h 50m

$706

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Sun 7/12

8:10 pm-2:27 pm

2 stops27h 17m

$712

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Showing 1-10 of 15 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 March.
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

How far ahead should I book a flight from Barcelona-El Prat Airport to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Barcelona-El Prat to San Diego. Price data was last updated on March 6, 2026.

The price you pay for your flight from Barcelona-El Prat Airport to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 15 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to San Diego (average of $359). Flying from Barcelona-El Prat Airport to San Diego in June is currently the most expensive (average of $932). 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 14h 30m. Delta provides one of the quickest options available for as low as $787. 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 $537 while deals on Lufthansa start at $666 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, November is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to San Diego (average of $359). Flying from Barcelona-El Prat Airport to San Diego in June is currently the most expensive (average of $932). 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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