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Barcelona-El Prat

$389+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BCN
May 19 — May 261
Tue 5/19
Tue 5/26
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 April 19, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 4/14. 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.
Wed 10/72:24 pm
SAN
-
BCN
2 stops18h 31m
Lufthansa
Tue 10/137:55 am
BCN
-
SAN
1 stop16h 30m
Lufthansa
Deal found 4/14$805
This Air Canada deal was found by Cheapflights users on 4/15. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/210:30 pm
SAN
-
BCN
2 stops26h 05m
Air Canada
Wed 11/111:35 pm
BCN
-
SAN
2 stops30h 18m
Air Canada
Deal found 4/15$818
This oojo deal was found by Cheapflights users on 4/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:00 am
SAN
-
BCN
2 stops16h 50m
SWISS
Wed 10/216:00 am
BCN
-
SAN
2 stops25h 42m
SWISS
Deal found 4/17$819
This Delta deal was found by Cheapflights users on 4/17. 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 10/310:40 pm
SAN
-
BCN
1 stop29h 10m
Delta
Tue 10/2011:00 am
BCN
-
SAN
1 stop18h 18m
Delta
Deal found 4/17$820
This United Airlines deal was found by Cheapflights users on 4/16. 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.
Sat 9/199:45 pm
SAN
-
BCN
1 stop25h 35m
United Airlines
Fri 9/257:55 am
BCN
-
SAN
1 stop16h 30m
United Airlines
Deal found 4/16$821
This United Airlines deal was found by Cheapflights users on 4/16. 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.
Tue 9/226:40 am
SAN
-
BCN
2 stops17h 20m
United Airlines
Thu 9/248:00 am
BCN
-
SAN
2 stops20h 55m
United Airlines
Deal found 4/16$822
This CrystalTravel deal was found by Cheapflights users on 4/17. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:15 pm
SAN
-
BCN
1 stop15h 40m
Lufthansa
Tue 9/299:05 am
BCN
-
SAN
1 stop15h 20m
Lufthansa
Deal found 4/17$823
This Air France deal was found by Cheapflights users on 4/17. 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.
Wed 9/303:59 pm
SAN
-
BCN
2 stops16h 11m
Multiple Airlines
Thu 10/226:20 am
BCN
-
SAN
2 stops18h 00m
Multiple Airlines
Deal found 4/17$824
This United Airlines deal was found by Cheapflights users on 4/17. 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 9/273:56 pm
SAN
-
BCN
2 stops21h 29m
United Airlines
Thu 10/228:00 am
BCN
-
SAN
2 stops18h 00m
United Airlines
Deal found 4/17$825
This Gotogate deal was found by Cheapflights users on 4/18. 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.
Tue 7/287:00 am
SAN
-
BCN
1 stop16h 00m
Multiple Airlines
Thu 8/207:55 am
BCN
-
SAN
1 stop16h 30m
Multiple Airlines
Deal found 4/18$826
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Mon 9/284:11 pm
SAN
-
BCN
2 stops21h 14m
United Airlines
Mon 10/121:25 pm
BCN
-
SAN
1 stop35h 00m
United Airlines
Deal found 4/17$828
This KAYAK deal was found by Cheapflights users on 4/16. 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 9/2210:44 am
SAN
-
BCN
2 stops18h 21m
SWISS
Mon 9/288:00 pm
BCN
-
SAN
2 stops31h 37m
SWISS
Deal found 4/16$829

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 April 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$819
(oojo)

One-way from

$389
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$850
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. 20% potential increase in price ($200 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% 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 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 April 19, 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

Sun 5/17

7:40 pm-10:30 pm

1 stop17h 50m

Barcelona-El Prat

Mon 6/1

9:20 pm-2:55 pm

1 stop26h 35m

$972

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 4/22

5:15 pm-10:25 pm

1 stop20h 10m

Barcelona-El Prat

Thu 5/21

12:15 pm-8:43 pm

1 stop17h 28m

$1,017

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 5/6

8:00 am-8:20 am

1 stop15h 20m

Barcelona-El Prat

Wed 5/20

3:15 pm-9:05 am

2 stops26h 50m

$1,025

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Thu 4/30

5:15 pm-10:25 pm

1 stop20h 10m

Barcelona-El Prat

Wed 5/6

12:15 pm-12:43 pm

2 stops33h 28m

$1,054

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sun 5/17

7:40 pm-8:20 pm

1 stop15h 40m

Barcelona-El Prat

Sun 6/7

8:40 pm-2:55 pm

1 stop27h 15m

$1,076

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sat 5/23

9:59 pm-8:20 am

1 stop25h 21m

Barcelona-El Prat

Thu 6/11

11:15 am-8:23 pm

1 stop18h 08m

$1,133

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Thu 5/7

10:59 am-2:50 pm

2 stops18h 51m

Barcelona-El Prat

Sun 5/17

1:20 pm-10:26 pm

1 stop18h 06m

$1,135

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Thu 5/21

1:37 pm-5:10 pm

2 stops18h 33m

Barcelona-El Prat

Wed 5/27

10:55 am-11:15 pm

2 stops21h 20m

$1,171

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 7/1

10:50 am-12:30 pm

2 stops16h 40m

Barcelona-El Prat

Wed 8/5

1:20 pm-10:39 pm

1 stop18h 19m

$1,283

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Fri 5/22

9:45 pm-8:20 am

1 stop25h 35m

Barcelona-El Prat

Sun 6/7

6:40 am-7:52 pm

2 stops22h 12m

$1,299

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy1 starTrust 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?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Barcelona-El Prat. Price data was last updated on April 17, 2026.

The best time to book flights from San Diego to Barcelona-El Prat Airport is 89 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 $624). Flying from San Diego to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,154). 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 April 19, 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
7.9
Good
8,419 reviews

Overall

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

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
7.9
Good
8,419 reviews
Delta
7.9
Good
8,419 reviews

Overall

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

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
9,605 reviews
Delta
7.9
Good
8,419 reviews

Overall

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

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
11,622 reviews
Delta
7.9
Good
8,419 reviews

Overall

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

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
7,931 reviews
Delta
7.9
Good
8,419 reviews

Overall

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

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
7,895 reviews
Delta
7.9
Good
8,419 reviews

Overall

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

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 17h 50m. Airlines will cover a distance of 6025 mi. This flight may include one or multiple stops.

  • 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 Iberia and Lufthansa, with the lowest prices starting at $443 and $463, respectively. KLM is currently priced 51% 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 Delta ($243), KLM ($243), 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. San Diego to Barcelona-El Prat Airport flights stop in Munich the next most.

  • 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 Piccadilly Circus more than anywhere else. Hyde Park, Buckingham Palace, and Piccadilly Circus can be accessed by traveling approximately 12.5 mi, 13.7 mi, and 14.1 mi, respectively from London Heathrow. Travelers in need of a car in London can rent one for about $38 per day.

  • What are some popular points of interest to see during a layover in Munich?

    Theresienwiese, Marienplatz, and Altes Rathaus are the most popular attractions in Munich if you're in need of something to do during your layover. Those on a layover in Munich interested in visiting Theresienwiese, Marienplatz, or Altes Rathaus can do so by traveling 18.8 mi, 17.8 mi, and 17.8 mi, respectively from Munich Franz Josef Strauss. Travelers can rent a car at Munich Franz Josef Strauss for an average daily rate of $46 to make sightseeing during their layover a little easier.

  • 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 $624). Flying from San Diego to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,154). 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
Badalona
Pineda de Mar

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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 April 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$383Average$682FlexibilityNo cancel feeOn-time75%
IberiaCheapest$443Average$697FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$463Average$772FlexibilityNo cancel feeOn-time76%
DeltaCheapest$487Average$816FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$493Average$783FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$498Average$682FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$515Average$875FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$565Average$806FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$601Average$837FlexibilityNo cancel feeOn-time71%

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