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Barcelona-El Prat

$309+ Cheap flights from San Diego (SAN) to Barcelona-El Prat (BCN)

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BCN
Aug 7 — Aug 141
Fri 8/7
Fri 8/14
1 adult, Economy
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Cheap flight deals from San Diego to Barcelona-El Prat

Cheapest flights from San Diego to Barcelona-El Prat
Explore the most affordable flight options available from San Diego to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 8, 2026.

This KAYAK deal was found by Cheapflights users on 7/6. 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.
Thu 9/245:15 pm
SAN
-
BCN
1 stop20h 10m
Lufthansa
Sat 10/37:55 am
BCN
-
SAN
1 stop16h 30m
Lufthansa
Deal found 7/6$945
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 8/245:15 pm
SAN
-
BCN
1 stop20h 10m
Multiple Airlines
Mon 8/316:00 am
BCN
-
SAN
2 stops41h 50m
Multiple Airlines
Deal found 7/3$946
This Gotogate deal was found by Cheapflights users on 7/5. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:15 pm
SAN
-
BCN
1 stop15h 40m
Multiple Airlines
Tue 9/151:15 pm
BCN
-
SAN
1 stop32h 01m
Multiple Airlines
Deal found 7/5$947
This Travelocity deal was found by Cheapflights users on 7/3. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/251:10 pm
SAN
-
BCN
1 stop35h 10m
Multiple Airlines
Sun 10/47:55 am
BCN
-
SAN
1 stop16h 30m
Multiple Airlines
Deal found 7/3$948
This Cheapflightsfares deal was found by Cheapflights users on 7/4. 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.
Tue 8/410:55 am
SAN
-
BCN
2 stops19h 00m
Lufthansa
Mon 8/177:00 pm
BCN
-
SAN
2 stops29h 25m
Lufthansa
Deal found 7/4$949
This Cheapflightsfares deal was found by Cheapflights users on 7/3. 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.
Thu 8/134:45 pm
SAN
-
BCN
1 stop16h 35m
British Airways
Mon 8/179:20 pm
BCN
-
SAN
1 stop26h 35m
British Airways
Deal found 7/3$950
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/183:30 pm
SAN
-
BCN
1 stop36h 00m
Multiple Airlines
Sun 9/2711:10 pm
BCN
-
SAN
2 stops29h 27m
Multiple Airlines
Deal found 7/7$951
This Gotogate deal was found by Cheapflights users on 7/4. 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.
Sun 8/236:18 am
SAN
-
BCN
2 stops17h 32m
SWISS
Mon 9/79:40 am
BCN
-
SAN
2 stops45h 30m
SWISS
Deal found 7/4$952
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/147:00 am
SAN
-
BCN
1 stop21h 35m
Multiple Airlines
Fri 8/288:20 pm
BCN
-
SAN
2 stops51h 30m
Multiple Airlines
Deal found 7/7$953
This KAYAK deal was found by Cheapflights users on 7/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:40 pm
SAN
-
BCN
1 stop18h 00m
British Airways
Mon 8/179:20 pm
BCN
-
SAN
1 stop26h 35m
British Airways
Deal found 7/8$955
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 7/277:55 am
SAN
-
BCN
1 stop20h 40m
Multiple Airlines
Wed 8/2610:40 pm
BCN
-
SAN
2 stops49h 10m
Multiple Airlines
Deal found 7/6$958

Find flight deals from San Diego to Barcelona-El Prat

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Barcelona-El Prat (BCN). 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 July 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$945
(KAYAK)

One-way from

$329
(JetBlue)

Popular in

June

Cheapest in

January

Average price

$1,151
Provider with most accurate pricing for San Diego-Barcelona-El Prat flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Barcelona-El Prat flights.
Search Deals
From San Diego to Barcelona-El Prat
Search Deals
One-way flight from San Diego to Barcelona-El Prat
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($289 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Barcelona-El Prat 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 July 8, 2026.
Use the filters below to find and compare flights from San Diego to Barcelona-El Prat Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sat 9/5

9:45 pm-8:20 am

1 stop25h 35m

Barcelona-El Prat

Sat 12/5

10:30 am-8:33 pm

1 stop19h 03m

$964

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 9/2

4:45 pm-6:35 pm

1 stop16h 50m

Barcelona-El Prat

Mon 9/7

9:20 pm-2:55 pm

1 stop26h 35m

$965
Quickest round-trip

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Thu 8/6

4:45 pm-4:00 pm

1 stop14h 15m

Barcelona-El Prat

Fri 8/14

7:40 am-2:55 pm

1 stop16h 15m

$973

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 9/1

9:45 pm-1:15 pm

2 stops30h 30m

Barcelona-El Prat

Sat 10/24

11:15 am-12:31 am

3 stops22h 16m

$976

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Thu 9/3

3:30 pm-6:50 pm

2 stops18h 20m

Barcelona-El Prat

Mon 9/7

1:25 pm-11:50 am

1 stop31h 25m

$985

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sat 10/3

9:45 pm-10:35 am

2 stops27h 50m

Barcelona-El Prat

Sun 10/11

11:25 am-9:52 am

3 stops31h 27m

$1,041

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Fri 9/18

10:40 am-9:50 pm

2 stops26h 10m

Barcelona-El Prat

Mon 9/28

11:25 am-12:22 pm

3 stops33h 57m

$1,105

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sat 9/5

9:00 pm-10:35 am

2 stops28h 35m

Barcelona-El Prat

Sat 12/5

10:55 am-10:20 am

3 stops32h 25m

$1,150
Cheapest one-way

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sat 10/31

4:26 pm-7:35 am

1 stop31h 09m

$394

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sat 10/31

10:40 pm-1:15 pm

1 stop30h 35m

$395

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/6

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Compare providers for flights from San Diego to Barcelona-El Prat

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 San Diego to Barcelona-El Prat in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
Trip.comPrice Accuracy1 starTrust 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 San Diego-Barcelona-El Prat Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Barcelona-El Prat Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Barcelona-El Prat Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Barcelona-El Prat Airport 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 San Diego-Barcelona-El Prat Airport 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 San Diego to Barcelona-El Prat

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

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

The best time to book flights from San Diego to Barcelona-El Prat Airport is 90 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from San Diego to Barcelona-El Prat Airport (average of $582). Flying from San Diego to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,291). 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 San Diego to Barcelona-El Prat Airport?

Reviews of airlines servicing Barcelona-El Prat

Get insights into the airlines that provide service to Barcelona-El Prat. 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 Barcelona-El Prat. Reviews last updated July 8, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from San Diego to Barcelona-El Prat Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,450 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.8

Overall

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
7.8
Good
8,450 reviews
Delta
7.8
Good
8,450 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.8

Overall

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
9,949 reviews
Delta
7.8
Good
8,450 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.8

Overall

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.1
Good
11,785 reviews
Delta
7.8
Good
8,450 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.8

Overall

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Lufthansa
6.8
Okay
8,125 reviews
Delta
7.8
Good
8,450 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.8

Overall

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
British Airways
6.7
Okay
8,103 reviews
Delta
7.8
Good
8,450 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.8

Overall

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Barcelona-El Prat. 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 from for flights from San Diego to Barcelona-El Prat?

    Most people fly from San Diego (SAN) if they book a flight from San Diego to Barcelona-El Prat. On average, San Diego has 0 outbound flights to Barcelona-El Prat per day from 9 airlines. San Diego is conveniently located just 2.6 mi from San Diego’s city center.

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

    Departing from San Diego to Barcelona-El Prat Airport will take you 20h 10m. Airlines will cover a distance of 6025 mi.

  • What are the cheapest airlines flying from San Diego to Barcelona-El Prat Airport round-trip?

    Flying on KLM is currently your cheapest option to Barcelona-El Prat Airport, with prices starting at $383. Additional round-trip tickets that might be worth considering are offered by Air Canada and Lufthansa, with the lowest prices starting at $420 and $463, respectively. KLM is currently priced 54% below the average price you’ll pay for this route.

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

    The cheapest airlines for a one-way flight from San Diego to Barcelona-El Prat Airport are KLM ($243), Virgin Atlantic ($256), and Iberia ($264).

  • Where are the most common layover locations when flying from San Diego to Barcelona-El Prat Airport?

    The most popular layover on flights from San Diego to Barcelona-El Prat Airport is London.

  • What are some popular things to do or see while on a layover in London?

    London travelers tend to visit Hyde Park, Buckingham Palace, and Trafalgar Square more than anywhere else. Hyde Park, Buckingham Palace, and Trafalgar Square can be accessed by traveling approximately 12.5 mi, 13.7 mi, and 14.3 mi, respectively from London Heathrow. Travelers in need of a car in London can rent one for about $33 per day.

  • Where are the least popular layover locations for San Diego to Barcelona-El Prat Airport flights?

    Of the flights from San Diego to Barcelona-El Prat Airport that have layovers, the fewest flights stop in Chicago.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from San Diego to Barcelona-El Prat Airport (average of $582). Flying from San Diego to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,291). 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 Barcelona-El Prat Airport?

Book flights to Barcelona-El Prat Airport if you plan to visit one of these locations
Roses
Calella
L'Hospitalet de Llobregat
Cadaques
El Prat de Llobregat

Browse thousands of different options on Cheapflights for your next trip

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Top 9 airlines flying from San Diego to Barcelona-El Prat

Discover the top 9 airlines that operate flights from San Diego to Barcelona-El Prat. 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 July 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$383Average$626FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$420Average$1,008FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$463Average$866FlexibilityNo cancel feeOn-time76%
IberiaCheapest$477Average$700FlexibilityNo cancel feeOn-time77%
DeltaCheapest$487Average$862FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$490Average$884FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$514Average$897FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$520Average$905FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$565Average$796FlexibilityNo cancel feeOn-time77%

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