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$353+ 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — SAN
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Cheapflights Tip: The best prices from Barcelona-El Prat to San Diego are usually found in March or January, booked 12 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap 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 October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$614
(Kiwi.com)

One-way from

$353
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$836
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
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One-way flight from Barcelona-El Prat to San Diego
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Highest demand for flights based on searches. 17% potential increase in price ($180 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 27, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/27. 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 12/116:10 pmBCN - SAN
1 stop35h 00mMultiple Airlines
Sat 1/107:51 amSAN - BCN
1 stop20h 29mMultiple Airlines
Deal found 10/27$705
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 12/129:10 pmBCN - SAN
2 stops51h 42mMultiple Airlines
Thu 1/89:10 amSAN - BCN
1 stop17h 45mMultiple Airlines
Deal found 10/27$773
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Mon 11/106:50 amBCN - SAN
2 stops22h 02mLufthansa
Mon 11/242:16 pmSAN - BCN
1 stop13h 54mLufthansa
Deal found 10/26$788
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Sun 12/146:50 amBCN - SAN
2 stops22h 43mUnited Airlines
Sun 1/1110:40 pmSAN - BCN
2 stops25h 55mUnited Airlines
Deal found 10/25$792
This lol.travel deal was found by Cheapflights users on 10/27. 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 11/201:35 pmBCN - SAN
2 stops31h 18mAir Canada
Wed 12/312:45 pmSAN - BCN
2 stops59h 50mAir Canada
Deal found 10/27$801
This Delta deal was found by Cheapflights users on 10/26. 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.
Sun 12/146:00 amBCN - SAN
2 stops22h 17mDelta
Sun 1/1110:30 pmSAN - BCN
2 stops24h 30mDelta
Deal found 10/26$802
This Air France deal was found by Cheapflights users on 10/26. 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.
Sun 12/1410:15 amBCN - SAN
1 stop19h 50mKLM
Sun 1/1110:15 pmSAN - BCN
1 stop24h 45mKLM
Deal found 10/26$803
This lol.travel deal was found by Cheapflights users on 10/27. 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.
Mon 11/173:05 pmBCN - SAN
1 stop16h 15mLufthansa
Mon 12/111:20 amSAN - BCN
2 stops16h 50mLufthansa
Deal found 10/27$807

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 October 27, 2025.
Use the filters below to find and compare flights from Barcelona-El Prat Airport to San Diego that are best for you.

Fly from

Barcelona-El Prat

Fly to

San Diego

Route

Depart

Return

Price

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 1/12

6:35 pm-3:29 pm

2 stops29h 54m

San Diego

Mon 2/2

7:51 am-1:20 pm

1 stop20h 29m

$619

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Thu 12/11

3:05 pm-8:39 am

2 stops26h 34m

San Diego

Sat 1/10

7:51 am-1:20 pm

1 stop20h 29m

$723

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 2/2

6:50 am-8:49 pm

2 stops22h 59m

San Diego

Mon 2/16

12:55 pm-4:20 pm

2 stops42h 25m

$759

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 1/26

7:10 pm-8:57 pm

2 stops34h 47m

San Diego

Wed 2/25

7:00 am-6:20 pm

2 stops26h 20m

$759

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 1/26

10:40 am-7:12 pm

1 stop17h 32m

San Diego

Wed 2/25

2:46 pm-4:30 pm

2 stops16h 44m

$763

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 2/2

6:50 am-8:47 pm

2 stops22h 57m

San Diego

Mon 2/16

10:30 pm-9:00 am

1 stop25h 30m

$764

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Fri 3/6

9:10 am-3:45 pm

1 stop15h 35m

San Diego

Tue 3/10

8:35 am-8:20 am

1 stop15h 45m

$789

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Thu 12/11

9:35 pm-11:59 pm

3 stops59h 24m

$406

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Fri 12/12

1:55 pm-11:59 pm

3 stops43h 04m

$409

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 12/15

12:35 pm-6:50 pm

2 stops39h 15m

$424

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 15 results
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 October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Barcelona-El Prat Airport-San Diego flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 October 24, 2025.

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 12 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, October is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to San Diego (average of $592). Flying from Barcelona-El Prat Airport to San Diego in July is currently the most expensive (average of $818). 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.

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated October 27, 2025.
Read reviews from past customers who have flown American Airlines and British Airways from Barcelona-El Prat Airport to San Diego. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,031 reviews

Crew

8.0

Boarding

7.5

Overall

7.2

Entertainment

6.9

Food

6.4

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2024

LHR - SAN

This was the best flight I have experienced in all the years I have been f doing this journey with BA. Flight, food and service A1. Well done BA.
American Airlines
7.2
Good
11,031 reviews
American Airlines
7.2
Good
11,031 reviews

Crew

8.0

Boarding

7.5

Overall

7.2

Entertainment

6.9

Food

6.4

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2024

LHR - SAN

This was the best flight I have experienced in all the years I have been f doing this journey with BA. Flight, food and service A1. Well done BA.
British Airways
6.7
Okay
7,476 reviews
American Airlines
7.2
Good
11,031 reviews

Crew

8.0

Boarding

7.5

Overall

7.2

Entertainment

6.9

Food

6.4

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2024

LHR - SAN

This was the best flight I have experienced in all the years I have been f doing this journey with BA. Flight, food and service A1. Well done BA.

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 22h 59m. Lufthansa provides one of the quickest options available for as low as $759. The distance from Barcelona-El Prat Airport to San Diego is about 6025 mi. This flight may include one or multiple stops.

  • 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, October is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to San Diego (average of $592). Flying from Barcelona-El Prat Airport to San Diego in July is currently the most expensive (average of $818). 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
Coronado
La Mesa
Poway
Lemon Grove
Imperial Beach
National City

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Top 2 airlines flying from Barcelona-El Prat to San Diego

Discover the top 2 airlines that operate flights from Barcelona-El Prat to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$732Average$903FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$778Average$912FlexibilityNo cancel feeOn-time71%

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