HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Barcelona-El Prat

$297+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BCN
Apr 8 — Apr 151
Wed 4/8
Wed 4/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Diego to Barcelona-El Prat with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 9, 2026.

This KLM deal was found by Cheapflights users on 3/4. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/812:50 pm
SAN
-
BCN
1 stop34h 50m
KLM
Mon 11/165:25 pm
BCN
-
SAN
1 stop27h 40m
KLM
Deal found 3/4$578
This KLM deal was found by Cheapflights users on 3/4. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:40 pm
SAN
-
BCN
1 stop15h 50m
KLM
Tue 9/156:20 am
BCN
-
SAN
1 stop14h 30m
KLM
Deal found 3/4$593
This Delta deal was found by Cheapflights users on 3/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:00 am
SAN
-
BCN
2 stops19h 00m
Delta
Mon 11/161:00 pm
BCN
-
SAN
1 stop32h 05m
Delta
Deal found 3/4$595
This KLM deal was found by Cheapflights users on 3/4. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:40 pm
SAN
-
BCN
1 stop15h 50m
KLM
Thu 9/179:20 am
BCN
-
SAN
2 stops18h 34m
KLM
Deal found 3/4$603
This KLM deal was found by Cheapflights users on 3/4. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:40 pm
SAN
-
BCN
1 stop15h 50m
Multiple Airlines
Tue 9/156:10 am
BCN
-
SAN
2 stops18h 09m
Multiple Airlines
Deal found 3/4$610
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/199:19 am
SAN
-
BCN
1 stop22h 06m
Multiple Airlines
Mon 4/272:05 pm
BCN
-
SAN
2 stops32h 24m
Multiple Airlines
Deal found 3/4$634
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/306:30 pm
SAN
-
BCN
2 stops36h 50m
United Airlines
Thu 12/310:30 am
BCN
-
SAN
2 stops20h 58m
United Airlines
Deal found 3/8$635
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1510:05 am
SAN
-
BCN
2 stops45h 50m
Scandinavian Airlines
Tue 5/57:00 pm
BCN
-
SAN
2 stops36h 36m
Scandinavian Airlines
Deal found 3/7$638
This KAYAK deal was found by Cheapflights users on 3/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/510:00 am
SAN
-
BCN
2 stops38h 45m
Scandinavian Airlines
Thu 9/1712:25 pm
BCN
-
SAN
2 stops38h 35m
Scandinavian Airlines
Deal found 3/4$642
This Air Canada deal was found by Cheapflights users on 3/6. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:44 pm
SAN
-
BCN
2 stops28h 51m
Air Canada
Tue 11/241:35 pm
BCN
-
SAN
2 stops41h 22m
Air Canada
Deal found 3/6$647
This Air Canada deal was found by Cheapflights users on 3/6. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1511:50 am
SAN
-
BCN
2 stops36h 45m
Air Canada
Tue 11/241:35 pm
BCN
-
SAN
2 stops34h 55m
Air Canada
Deal found 3/6$650
This Air Canada deal was found by Cheapflights users on 3/6. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:30 pm
SAN
-
BCN
2 stops30h 05m
Air Canada
Tue 11/241:35 pm
BCN
-
SAN
2 stops34h 55m
Air Canada
Deal found 3/6$652

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 March 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$593
(KLM)

One-way from

$297
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$797
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. 19% potential increase in price ($187 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 9, 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

Tue 4/14

1:40 pm-5:10 pm

2 stops18h 30m

Barcelona-El Prat

Tue 4/28

6:20 am-11:50 am

1 stop14h 30m

$723

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Fri 4/24

12:40 pm-5:55 pm

2 stops20h 15m

Barcelona-El Prat

Tue 4/28

3:15 pm-10:59 pm

1 stop16h 44m

$756

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 4/22

8:45 am-5:55 pm

2 stops24h 10m

Barcelona-El Prat

Wed 5/13

7:55 am-3:25 pm

1 stop16h 30m

$776

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Thu 4/30

8:45 pm-2:20 pm

2 stops32h 35m

Barcelona-El Prat

Mon 5/11

12:15 pm-12:43 pm

2 stops33h 28m

$867

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Mon 3/30

8:00 am-8:20 am

1 stop15h 20m

Barcelona-El Prat

Sun 4/12

11:15 am-9:16 am

2 stops31h 01m

$925

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 4/1

10:30 pm-8:20 am

2 stops24h 50m

Barcelona-El Prat

Wed 4/15

11:15 am-9:22 pm

2 stops19h 07m

$935

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Thu 7/16

10:00 am-12:30 pm

2 stops17h 30m

Barcelona-El Prat

Mon 8/17

1:25 pm-11:50 am

1 stop31h 25m

$957

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sat 5/23

7:00 am-4:05 pm

2 stops24h 05m

Barcelona-El Prat

Mon 6/1

8:00 am-12:07 am

2 stops25h 07m

$980
Quickest round-trip

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Fri 5/22

4:45 pm-4:00 pm

1 stop14h 15m

Barcelona-El Prat

Wed 6/3

10:45 am-5:50 pm

1 stop16h 05m

$1,041

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Fri 3/20

10:30 pm-9:00 am

2 stops26h 30m

Barcelona-El Prat

Fri 4/3

11:15 am-9:16 am

2 stops31h 01m

$1,138

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Showing 1-10 of 23 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 March.
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
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 March 6, 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, October is the cheapest month in which you can book a flight from San Diego to Barcelona-El Prat Airport (average of $445). Flying from San Diego to Barcelona-El Prat Airport in June is currently the most expensive (average of $778). 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 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 March 9, 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
8,271 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

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
7.9
Good
8,271 reviews
Delta
7.9
Good
8,271 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

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
9,408 reviews
Delta
7.9
Good
8,271 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

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
11,403 reviews
Delta
7.9
Good
8,271 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

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
7,838 reviews
Delta
7.9
Good
8,271 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

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
7,780 reviews
Delta
7.9
Good
8,271 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

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 17h 45m. 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 Lufthansa and Iberia, with the lowest prices starting at $463 and $477, 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 $33 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 $60 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, October is the cheapest month in which you can book a flight from San Diego to Barcelona-El Prat Airport (average of $445). Flying from San Diego to Barcelona-El Prat Airport in June is currently the most expensive (average of $778). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 March 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$383Average$626FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$463Average$738FlexibilityNo cancel feeOn-time76%
IberiaCheapest$477Average$767FlexibilityNo cancel feeOn-time77%
DeltaCheapest$487Average$784FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$493Average$800FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$498Average$777FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$515Average$862FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$565Average$806FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$601Average$857FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.