HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Diego

$342+ 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 6/18. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — SAN
abr. 22 — abr. 291
mar. 4/22
mar. 4/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Barcelona-El Prat to San Diego 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.

Cheapflights Tip: The best prices from Barcelona-El Prat to San Diego are usually found in March or January, booked 17 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 abril 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$717
(lol.travel)

One-way from

$342
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$955

Good one-way deal

$143 or less
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. 18% potential increase in price ($191 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a one-way flight from Barcelona-El Prat to San Diego.
Search Deals

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 abril 17, 2025.

This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/302:00 pmBCN - SAN
1 stop15h 56mIberia
vie. 9/510:48 amSAN - BCN
1 stop14h 22mIberia
Deal found 4/17$717
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/3010:45 amBCN - SAN
1 stop21h 43mFinnair
mié. 5/79:25 amSAN - BCN
1 stop15h 45mFinnair
Deal found 4/16$721
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/154:00 pmBCN - SAN
1 stop16h 05mLufthansa
mié. 5/285:15 pmSAN - BCN
1 stop19h 25mLufthansa
Deal found 4/16$747
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/3010:35 amBCN - SAN
3 stops47h 07mMultiple Airlines
mié. 5/76:15 amSAN - BCN
3 stops26h 30mMultiple Airlines
Deal found 4/16$758
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.
jue. 5/86:20 amBCN - SAN
1 stop14h 40mDelta
jue. 5/152:10 pmSAN - BCN
2 stops18h 00mDelta
Deal found 4/17$770
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.
mié. 5/712:15 pmBCN - SAN
1 stop16h 30mUnited Airlines
mié. 5/142:30 pmSAN - BCN
2 stops22h 10mUnited Airlines
Deal found 4/16$771
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/86:20 amBCN - SAN
1 stop14h 40mKLM
jue. 5/151:55 pmSAN - BCN
1 stop33h 40mKLM
Deal found 4/17$772
This Air Canada 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/112:15 pmBCN - SAN
2 stops32h 38mAir Canada
dom. 5/44:55 pmSAN - BCN
2 stops31h 25mAir Canada
Deal found 4/17$819
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/2412:20 pmBCN - SAN
1 stop17h 29mBritish Airways
jue. 5/14:40 pmSAN - BCN
1 stop16h 45mBritish Airways
Deal found 4/17$868
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/312:10 pmBCN - SAN
1 stop19h 07mAir France
vie. 11/143:59 pmSAN - BCN
2 stops16h 01mAir France
Deal found 4/16$990
This Austrian 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/2710:00 amBCN - SAN
2 stops43h 01mAustrian Airlines
jue. 11/138:35 amSAN - BCN
2 stops39h 45mAustrian Airlines
Deal found 4/16$1,021
This Scandinavian 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/229:40 amBCN - SAN
3 stops22h 13mScandinavian Airlines
mié. 9/177:00 amSAN - BCN
2 stops26h 10mScandinavian Airlines
Deal found 4/17$1,487

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 abril 17, 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

sáb. 8/30

2:00 pm-8:56 pm

1 stop15h 56m

San Diego

vie. 9/5

10:48 am-10:10 am

1 stop14h 22m

$717

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

mié. 4/30

10:45 am-11:28 pm

1 stop21h 43m

San Diego

mié. 5/7

9:25 am-10:10 am

1 stop15h 45m

$721

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

jue. 5/15

4:00 pm-11:05 pm

1 stop16h 05m

San Diego

mié. 5/28

5:15 pm-9:40 pm

1 stop19h 25m

$747

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

mié. 4/30

10:35 am-12:42 am

3 stops47h 07m

San Diego

mié. 5/7

6:15 am-5:45 pm

3 stops26h 30m

$758

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

jue. 5/8

6:20 am-12:00 pm

1 stop14h 40m

San Diego

jue. 5/15

2:10 pm-5:10 pm

2 stops18h 00m

$770

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

mié. 5/7

12:15 pm-7:45 pm

1 stop16h 30m

San Diego

mié. 5/14

2:30 pm-9:40 pm

2 stops22h 10m

$771

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

jue. 5/8

6:20 am-12:00 pm

1 stop14h 40m

San Diego

jue. 5/15

1:55 pm-8:35 am

1 stop33h 40m

$772

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

jue. 5/1

12:15 pm-11:53 am

2 stops32h 38m

San Diego

dom. 5/4

4:55 pm-9:20 am

2 stops31h 25m

$819

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

jue. 7/31

2:10 pm-12:17 am

1 stop19h 07m

San Diego

vie. 11/14

3:59 pm-5:00 pm

2 stops16h 01m

$990

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

dom. 7/27

10:00 am-8:01 pm

2 stops43h 01m

San Diego

jue. 11/13

8:35 am-9:20 am

2 stops39h 45m

$1,021

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 26 results
1
2
3

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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Barcelona-El Prat Airport-San Diego flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 April 11, 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 17 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, August is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to San Diego (average of $286). Flying from Barcelona-El Prat Airport to San Diego in March is currently the most expensive (average of $366). 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.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 abril 17, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Barcelona to San Diego to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,916 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,327 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
775 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.5
Good
1,435 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 3 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.

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

    Iberia, at $717, was found to be the cheapest airline from Barcelona-El Prat Airport to San Diego.Alternate airlines to your destination round-trip include Finnair and Lufthansa. These flights start at 16% lower than the current average price 3 months from now.

  • 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 WestJet, which is currently one of the cheapest options available, starting at $484. Aer Lingus flights start at $568 while deals on TAP AIR PORTUGAL start at $593 one-way.

  • What are the cheapest flights from Barcelona-El Prat Airport to San Diego?

    On average you can expect to pay $235 for a flight from Barcelona-El Prat Airport to San Diego. The cheapest flight overall is $143 while the most popular route, (Barcelona-El Prat - San Diego) is currently priced at $684.

  • 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, August is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to San Diego (average of $286). Flying from Barcelona-El Prat Airport to San Diego in March is currently the most expensive (average of $366). 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
El Cajon
Chula Vista
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado

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 3 airlines flying from Barcelona-El Prat to San Diego

Discover the top 3 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 abril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$618Average$852FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$732Average$904FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$778Average$913FlexibilityNo 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.