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$319+ 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — SAN
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$638
(lol.travel)

One-way from

$319
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$922

Good one-way deal

$143 or less
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. 14% potential increase in price ($148 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This lol.travel deal was found by Cheapflights users on 6/12. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/49:40 amBCN - SAN
2 stops18h 55mAir Canada
lun. 9/88:10 amSAN - BCN
1 stop14h 40mAir Canada
Deal found 6/12$638
This United Airlines deal was found by Cheapflights users on 6/10. 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.
dom. 12/141:55 pmBCN - SAN
2 stops30h 13mUnited Airlines
dom. 1/118:50 pmSAN - BCN
2 stops27h 10mUnited Airlines
Deal found 6/10$660
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/1410:15 amBCN - SAN
1 stop19h 34mDelta
dom. 1/1112:35 pmSAN - BCN
2 stops19h 25mDelta
Deal found 6/12$668
This Flightnetwork deal was found by Cheapflights users on 6/10. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/2612:20 pmBCN - SAN
1 stop19h 37mBritish Airways
mié. 7/94:40 pmSAN - BCN
1 stop17h 05mBritish Airways
Deal found 6/10$782
This Mytrip deal was found by Cheapflights users on 6/11. 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.
jue. 6/269:20 amBCN - SAN
3 stops30h 53mMultiple Airlines
mié. 7/93:57 pmSAN - BCN
3 stops34h 18mMultiple Airlines
Deal found 6/11$786
This Lufthansa deal was found by Cheapflights users on 6/10. 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. 6/261:50 pmBCN - SAN
2 stops19h 25mLufthansa
mié. 7/95:50 pmSAN - BCN
1 stop35h 10mLufthansa
Deal found 6/10$791
This Virgin Atlantic deal was found by Cheapflights users on 6/11. 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.
jue. 6/269:30 amBCN - SAN
2 stops22h 23mVirgin Atlantic
mié. 7/99:55 pmSAN - BCN
2 stops24h 20mVirgin Atlantic
Deal found 6/11$795
This KLM deal was found by Cheapflights users on 6/10. 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. 6/176:20 amBCN - SAN
1 stop14h 40mKLM
sáb. 7/56:15 amSAN - BCN
1 stop18h 05mKLM
Deal found 6/10$808
This Finnair deal was found by Cheapflights users on 6/10. 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.
mar. 6/1710:45 amBCN - SAN
1 stop21h 41mFinnair
dom. 6/2910:40 amSAN - BCN
1 stop14h 30mFinnair
Deal found 6/10$811
This SWISS deal was found by Cheapflights users on 6/11. 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. 6/269:40 amBCN - SAN
2 stops20h 10mSWISS
mié. 7/94:00 pmSAN - BCN
2 stops22h 35mSWISS
Deal found 6/11$833
This Iberia deal was found by Cheapflights users on 6/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/262:00 pmBCN - SAN
1 stop16h 12mIberia
mié. 7/99:20 amSAN - BCN
1 stop14h 45mIberia
Deal found 6/10$854

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 junio 12, 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

jue. 9/4

9:40 am-7:35 pm

2 stops18h 55m

San Diego

lun. 9/8

8:10 am-7:50 am

1 stop14h 40m

$638

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

jue. 6/26

12:10 pm-7:38 pm

1 stop16h 28m

San Diego

mié. 7/9

10:30 pm-7:50 am

2 stops24h 20m

$748

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

jue. 6/26

12:20 pm-10:57 pm

1 stop19h 37m

San Diego

mié. 7/9

4:40 pm-6:45 pm

1 stop17h 05m

$782

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

jue. 6/26

6:20 am-12:00 pm

1 stop14h 40m

San Diego

mié. 7/9

6:15 am-9:00 am

2 stops17h 45m

$785

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

jue. 6/26

9:20 am-7:13 am

3 stops30h 53m

San Diego

mié. 7/9

3:57 pm-11:15 am

3 stops34h 18m

$786

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

jue. 6/26

1:50 pm-12:15 am

2 stops19h 25m

San Diego

mié. 7/9

5:50 pm-2:00 pm

1 stop35h 10m

$791

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

jue. 6/26

9:30 am-10:53 pm

2 stops22h 23m

San Diego

mié. 7/9

9:55 pm-7:15 am

2 stops24h 20m

$795

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

jue. 6/26

9:40 am-8:50 pm

2 stops20h 10m

San Diego

mié. 7/9

4:00 pm-11:35 pm

2 stops22h 35m

$833

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

jue. 6/26

2:00 pm-9:12 pm

1 stop16h 12m

San Diego

mié. 7/9

9:20 am-9:05 am

1 stop14h 45m

$854

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

lun. 7/14

11:05 pm-11:27 pm

2 stops33h 22m

San Diego

lun. 12/22

10:39 pm-10:50 am

2 stops27h 11m

$1,247

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 22 results
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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 June 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 junio 12, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and SWISS 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
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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
1,623 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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
Virgin Atlantic
7.4
Good
652 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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?

    Air Canada, at $638, was found to be the cheapest airline from Barcelona-El Prat Airport to San Diego.Alternate airlines to your destination round-trip include United Airlines and British Airways. These flights start at 24% 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 Icelandair, which is currently one of the cheapest options available, starting at $535. TAP AIR PORTUGAL flights start at $567 while deals on WestJet start at $617 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 $660.

  • 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
National City
Imperial Beach
La Mesa
Alpine
Lemon Grove
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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$618Average$788FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$732Average$903FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$778Average$912FlexibilityNo cancel feeOn-time71%

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