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$348+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — SAN
may. 19 — may. 261
lun. 5/19
lun. 5/26
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 mayo 14, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$650
(United Airlines)

One-way from

$348
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$750

Good one-way deal

$143 or less
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. 13% potential increase in price ($135 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 May 2025
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Price to beat on a one-way flight from Barcelona-El Prat to San Diego.
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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 mayo 14, 2025.

This lol.travel deal was found by Cheapflights users on 5/13. 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.
jue. 5/2212:15 pmBCN - SAN
1 stop16h 30mAir Canada
mié. 6/44:55 pmSAN - BCN
2 stops29h 55mAir Canada
Deal found 5/13$639
This United Airlines deal was found by Cheapflights users on 5/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/2212:15 pmBCN - SAN
1 stop16h 30mUnited Airlines
mié. 6/41:30 pmSAN - BCN
1 stop15h 30mUnited Airlines
Deal found 5/14$650
This Delta deal was found by Cheapflights users on 5/13. 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.
dom. 12/146:00 amBCN - SAN
2 stops23h 26mDelta
dom. 1/1110:10 pmSAN - BCN
1 stop24h 50mDelta
Deal found 5/13$653
This Gotogate deal was found by Cheapflights users on 5/12. 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.
lun. 5/199:40 amBCN - SAN
2 stops19h 05mMultiple Airlines
lun. 5/268:00 amSAN - BCN
1 stop14h 50mMultiple Airlines
Deal found 5/12$667
This Booking.com deal was found by Cheapflights users on 5/13. 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.
mié. 10/110:45 amBCN - SAN
1 stop17h 34mBritish Airways
sáb. 10/254:40 pmSAN - BCN
1 stop21h 50mBritish Airways
Deal found 5/13$670
This Lufthansa deal was found by Cheapflights users on 5/13. 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.
sáb. 5/3110:20 amBCN - SAN
2 stops18h 33mLufthansa
mié. 6/410:43 amSAN - BCN
1 stop18h 17mLufthansa
Deal found 5/13$691
This KLM deal was found by Cheapflights users on 5/13. 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.
mar. 6/36:20 amBCN - SAN
1 stop14h 40mKLM
mar. 6/101:55 pmSAN - BCN
1 stop33h 45mKLM
Deal found 5/13$754
This SWISS deal was found by Cheapflights users on 5/13. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/229:40 amBCN - SAN
2 stops45h 34mSWISS
mié. 6/44:10 pmSAN - BCN
2 stops18h 00mSWISS
Deal found 5/13$792
This Ticket deal was found by Cheapflights users on 5/13. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/279:00 amBCN - SAN
1 stop23h 41mAir France
vie. 7/46:20 amSAN - BCN
2 stops17h 40mAir France
Deal found 5/13$821
This Virgin Atlantic deal was found by Cheapflights users on 5/12. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/279:00 amBCN - SAN
1 stop23h 41mVirgin Atlantic
vie. 7/47:05 amSAN - BCN
1 stop19h 50mVirgin Atlantic
Deal found 5/12$861
This American Airlines deal was found by Cheapflights users on 5/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/92:00 pmBCN - SAN
1 stop16h 12mAmerican Airlines
lun. 6/167:50 pmSAN - BCN
1 stop17h 50mAmerican Airlines
Deal found 5/12$884
This Scandinavian Airlines deal was found by Cheapflights users on 5/13. 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.
jue. 6/1910:25 amBCN - SAN
2 stops22h 16mScandinavian Airlines
sáb. 7/57:27 amSAN - BCN
3 stops28h 03mScandinavian Airlines
Deal found 5/13$1,104

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 mayo 14, 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

mar. 5/27

12:15 pm-7:45 pm

1 stop16h 30m

San Diego

mar. 6/3

10:30 pm-7:50 am

2 stops24h 20m

$650

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

mar. 6/3

6:20 am-12:00 pm

1 stop14h 40m

San Diego

mar. 6/10

1:57 pm-5:10 pm

2 stops18h 13m

$656

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

vie. 5/30

12:15 pm-7:45 pm

1 stop16h 30m

San Diego

mié. 6/4

4:55 pm-7:50 am

2 stops29h 55m

$664

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

mié. 10/1

10:45 am-7:19 pm

1 stop17h 34m

San Diego

sáb. 10/25

4:40 pm-11:30 pm

1 stop21h 50m

$670

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

sáb. 5/31

10:20 am-7:53 pm

2 stops18h 33m

San Diego

mié. 6/4

10:43 am-2:00 pm

1 stop18h 17m

$691

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

mié. 6/25

9:20 pm-7:13 am

3 stops42h 53m

San Diego

lun. 7/7

6:15 am-4:10 pm

3 stops24h 55m

$726

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

mar. 6/3

6:20 am-12:00 pm

1 stop14h 40m

San Diego

mar. 6/10

1:55 pm-8:40 am

1 stop33h 45m

$754

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

vie. 6/27

9:00 am-11:41 pm

1 stop23h 41m

San Diego

vie. 7/4

6:20 am-9:00 am

2 stops17h 40m

$821

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

lun. 6/9

2:00 pm-9:12 pm

1 stop16h 12m

San Diego

lun. 6/16

7:50 pm-10:40 pm

1 stop17h 50m

$884

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

jue. 6/19

10:25 am-11:41 pm

2 stops22h 16m

San Diego

sáb. 7/5

7:27 am-8:30 pm

3 stops28h 03m

$1,104

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/13

Showing 1-10 of 30 results
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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 May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 May 9, 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, 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 mayo 14, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Austrian Airlines 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
7,949 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

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
7,949 reviews
Delta
8.0
Very good
7,949 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

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
1,342 reviews
Delta
8.0
Very good
7,949 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

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
788 reviews
Delta
8.0
Very good
7,949 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

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
1,278 reviews
Delta
8.0
Very good
7,949 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

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
SWISS
7.5
Good
1,593 reviews
Delta
8.0
Very good
7,949 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

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?

    United Airlines, at $650, was found to be the cheapest airline from Barcelona-El Prat Airport to San Diego.Alternate airlines to your destination round-trip include Delta and Air Canada. These flights start at 22% 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 Austrian Airlines, which is currently one of the cheapest options available, starting at $552. Aer Lingus flights start at $555 while deals on Icelandair start at $561 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 $652.

  • 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

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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 mayo 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$618Average$852FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$732Average$903FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$778Average$912FlexibilityNo cancel feeOn-time71%

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