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$417+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — SAN
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Cheap 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 July 27, 2026.

This FlightHub deal was found by Cheapflights users on 7/23. 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 10/710:25 am
BCN
-
SAN
2 stops20h 33m
Multiple Airlines
Wed 10/219:08 am
SAN
-
BCN
2 stops28h 02m
Multiple Airlines
Deal found 7/23$812
This Condor deal was found by Cheapflights users on 7/24. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:15 am
BCN
-
SAN
2 stops20h 50m
Multiple Airlines
Sat 10/310:55 am
SAN
-
BCN
2 stops26h 15m
Multiple Airlines
Deal found 7/24$821
This Expedia deal was found by Cheapflights users on 7/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:50 pm
BCN
-
SAN
1 stop32h 44m
JetBlue
Tue 9/159:05 pm
SAN
-
BCN
1 stop27h 40m
JetBlue
Deal found 7/25$836
This Cheapflightsfares deal was found by Cheapflights users on 7/25. 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.
Fri 11/66:45 am
BCN
-
SAN
2 stops35h 52m
TAP AIR PORTUGAL
Sat 11/1410:47 am
SAN
-
BCN
2 stops27h 58m
TAP AIR PORTUGAL
Deal found 7/25$837
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Wed 9/93:00 pm
BCN
-
SAN
1 stop32h 10m
Multiple Airlines
Thu 9/249:03 pm
SAN
-
BCN
2 stops54h 27m
Multiple Airlines
Deal found 7/24$839
This lol.travel deal was found by Cheapflights users on 7/24. 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.
Fri 9/1812:50 pm
BCN
-
SAN
1 stop33h 17m
JetBlue
Sat 10/39:44 pm
SAN
-
BCN
1 stop27h 01m
JetBlue
Deal found 7/24$846
This FlightHub deal was found by Cheapflights users on 7/23. 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.
Thu 9/38:00 am
BCN
-
SAN
2 stops23h 59m
Multiple Airlines
Fri 9/1111:11 am
SAN
-
BCN
2 stops25h 59m
Multiple Airlines
Deal found 7/23$856
This Condor deal was found by Cheapflights users on 7/25. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:00 am
BCN
-
SAN
2 stops22h 05m
Multiple Airlines
Tue 9/159:31 am
SAN
-
BCN
2 stops27h 39m
Multiple Airlines
Deal found 7/25$865
This Condor deal was found by Cheapflights users on 7/23. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:00 am
BCN
-
SAN
2 stops20h 00m
Multiple Airlines
Thu 9/106:55 am
SAN
-
BCN
2 stops30h 15m
Multiple Airlines
Deal found 7/23$868

Find 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 July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$812
(FlightHub)

One-way from

$417
(Kiwi.com)

Popular in

May

Cheapest in

October

Average price

$1,143
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. 15% potential increase in price ($188 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 27, 2026.
Use the filters below to find and compare flights from Barcelona-El Prat Airport to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Thu 9/17

10:15 am-10:05 pm

2 stops20h 50m

San Diego

Sat 10/3

10:55 am-10:10 pm

2 stops26h 15m

$821
Quickest round-trip

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Sat 8/29

6:20 am-11:50 am

1 stop14h 30m

San Diego

Wed 9/9

10:54 am-2:50 pm

2 stops18h 56m

$883

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Thu 8/27

6:20 am-11:50 am

1 stop14h 30m

San Diego

Thu 9/10

7:00 am-11:10 am

1 stop19h 10m

$887

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Tue 9/8

8:00 am-5:09 pm

2 stops18h 09m

San Diego

Tue 9/15

6:30 am-8:20 am

2 stops16h 50m

$915

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Fri 9/4

6:40 am-7:55 pm

2 stops22h 15m

San Diego

Tue 9/8

8:45 am-1:15 pm

2 stops19h 30m

$915

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 11/23

1:10 pm-12:10 pm

1 stop32h 00m

San Diego

Sun 12/6

8:00 am-8:40 am

1 stop15h 40m

$919

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Fri 9/11

9:20 am-9:19 pm

2 stops20h 59m

San Diego

Sun 9/27

10:54 am-2:50 pm

2 stops18h 56m

$920

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Thu 8/27

4:10 pm-12:29 am

1 stop17h 19m

San Diego

Thu 9/10

9:45 pm-8:20 am

1 stop25h 35m

$928

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Thu 8/6

11:10 am-10:16 pm

2 stops20h 06m

San Diego

Tue 8/11

6:29 am-11:15 am

2 stops19h 46m

$1,094
Cheapest one-way

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Sat 10/24

9:15 pm-11:45 am

3 stops47h 30m

$516

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/25

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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 July.
ProviderPrice AccuracyTrust Score*
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Barcelona-El Prat Airport-San Diego flight deals on Cheapflights vs. FlightHub >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 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 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

What is the cheapest month to book a flight from Barcelona-El Prat Airport to San Diego?

Currently, October is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to San Diego (average of $656). Flying from Barcelona-El Prat Airport to San Diego in May is currently the most expensive (average of $1,470). 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 Barcelona-El Prat Airport to San Diego?

Airfare is below average for this route at the moment.

Barcelona-El Prat Airport to San Diego flights typically cost between $1,047 and $1,271 in October.
The cheapest round-trip price found within the last 5 days was $812 on Multiple Airlines (Oct 7-Oct 21).

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 July 27, 2026.
Read reviews from past customers who have flown Lufthansa from Barcelona-El Prat Airport to San Diego. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Lufthansa
6.8
Okay
8,159 reviews

Food

6.3

Entertainment

6.4

Crew

7.6

Overall

6.8

Boarding

7.0

Comfort

6.8

Reviews

1 / 20
4.0
Okay

Djermouli,Dec 2025

FRA - SFO

I’m sorry the worst airline united food sales I’m diabetic plus high cholesterol pls seats it’s not comfortable plus screen tv broke I try to charge my phone don’t work I’m not flying with united airlines
Lufthansa
6.8
Okay
8,159 reviews
Lufthansa
6.8
Okay
8,159 reviews

Food

6.3

Entertainment

6.4

Crew

7.6

Overall

6.8

Boarding

7.0

Comfort

6.8

Reviews

1 / 20
4.0
Okay

Djermouli,Dec 2025

FRA - SFO

I’m sorry the worst airline united food sales I’m diabetic plus high cholesterol pls seats it’s not comfortable plus screen tv broke I try to charge my phone don’t work I’m not flying with united airlines

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 1 airline has 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.

  • How long is the flight from Barcelona-El Prat Airport to San Diego?

    A quick flight from Barcelona-El Prat Airport to San Diego can take about 14h 30m. TAP AIR PORTUGAL provides one of the quickest options available for as low as $883. The distance from Barcelona-El Prat Airport to San Diego is about 6025 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Barcelona-El Prat Airport to San Diego round-trip?

    Lufthansa, at $964, was found to be the cheapest airline from Barcelona-El Prat Airport to San Diego.. This flight start at 7% 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 British Airways, which is currently one of the cheapest options available, starting at $540. American Airlines flights start at $589 while deals on Iberia start at $598 one-way.

  • 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, October is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to San Diego (average of $656). Flying from Barcelona-El Prat Airport to San Diego in May is currently the most expensive (average of $1,470). 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 San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
National City
Chula Vista
Poway
La Mesa
Coronado
Santee
San Ysidro
Julian
Lemon Grove

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Alternative routes for Barcelona-El Prat to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
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Barcelona-El Prat to San Francisco flights
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Barcelona-El Prat to Las Vegas flights

Top airline flying from Barcelona-El Prat to San Diego

Discover the top airline 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 July 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$964Average$1,336FlexibilityNo cancel feeOn-time76%

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