Barcelona-El Prat

$246+ 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BCN
oct. 16 — oct. 231
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.

Cheapflights Tip: The best prices from San Diego to Barcelona-El Prat are usually found in November or January, booked 4 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap 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 septiembre 16, 2025.

Round-trip from

$575
(Air Canada)

One-way from

$246
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$737
From San Diego to Barcelona-El Prat
One-way flight from San Diego to Barcelona-El Prat
Highest demand for flights based on searches. 15% potential increase in price ($160 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
Average for round-trip flights in September 2025

Find 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 septiembre 16, 2025.

This CrystalTravel deal was found by Cheapflights users on 9/15. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/285:35 pmSAN - BCN
1 stop20h 30mLufthansa
mar. 12/97:30 amBCN - SAN
1 stop17h 15mLufthansa
Deal found 9/15$575
This KLM deal was found by Cheapflights users on 9/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/42:00 pmSAN - BCN
1 stop32h 15mKLM
lun. 10/201:20 pmBCN - SAN
1 stop31h 40mKLM
Deal found 9/16$576
This United Airlines deal was found by Cheapflights users on 9/16. 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.
vie. 11/75:15 pmSAN - BCN
1 stop34h 55mUnited Airlines
vie. 11/213:05 pmBCN - SAN
1 stop36h 47mUnited Airlines
Deal found 9/16$578
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/136:25 amSAN - BCN
2 stops19h 50mDelta
mar. 11/116:00 amBCN - SAN
2 stops23h 58mDelta
Deal found 9/16$579
This United Airlines deal was found by Cheapflights users on 9/16. 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.
jue. 11/276:15 amSAN - BCN
2 stops18h 20mUnited Airlines
jue. 12/1110:30 amBCN - SAN
1 stop19h 03mUnited Airlines
Deal found 9/16$583
This Air Canada deal was found by Cheapflights users on 9/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/286:10 pmSAN - BCN
2 stops30h 25mAir Canada
mar. 12/96:50 amBCN - SAN
2 stops37h 48mAir Canada
Deal found 9/14$584
This Finnair deal was found by Cheapflights users on 9/16. 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.
vie. 11/76:30 amSAN - BCN
1 stop17h 30mMultiple Airlines
vie. 11/2112:50 pmBCN - SAN
1 stop17h 51mMultiple Airlines
Deal found 9/16$585
This Finnair deal was found by Cheapflights users on 9/14. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/2210:35 pmSAN - BCN
1 stop23h 30mMultiple Airlines
sáb. 12/612:30 pmBCN - SAN
1 stop18h 14mMultiple Airlines
Deal found 9/14$586
This Finnair deal was found by Cheapflights users on 9/16. 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.
vie. 11/2810:35 pmSAN - BCN
1 stop23h 30mMultiple Airlines
mar. 12/912:30 pmBCN - SAN
2 stops28h 58mMultiple Airlines
Deal found 9/16$587
This British Airways deal was found by Cheapflights users on 9/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/194:25 pmSAN - BCN
2 stops17h 00mBritish Airways
mar. 12/28:40 pmBCN - SAN
1 stop28h 30mBritish Airways
Deal found 9/15$592
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/316:45 amSAN - BCN
2 stops17h 50mMultiple Airlines
vie. 11/79:10 amBCN - SAN
1 stop15h 35mMultiple Airlines
Deal found 9/15$593
This Expedia deal was found by Cheapflights users on 9/15. 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.
mar. 11/185:35 pmSAN - BCN
1 stop15h 00mMultiple Airlines
vie. 11/281:35 pmBCN - SAN
2 stops31h 28mMultiple Airlines
Deal found 9/15$596

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 septiembre 16, 2025.
Use the filters below to find and compare flights from San Diego to Barcelona-El Prat Airport that are best for you.

Fly from

San Diego

Fly to

Barcelona-El Prat

Route

Depart

Return

Price

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

sáb. 10/4

2:00 pm-7:15 am

1 stop32h 15m

Barcelona-El Prat

lun. 10/20

1:20 pm-12:00 pm

1 stop31h 40m

$576

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

vie. 11/7

5:15 pm-1:10 pm

1 stop34h 55m

Barcelona-El Prat

vie. 11/21

3:05 pm-6:52 pm

1 stop36h 47m

$578

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

vie. 11/28

7:00 am-8:00 am

1 stop16h 00m

Barcelona-El Prat

mar. 12/9

10:15 am-11:53 pm

1 stop22h 38m

$583

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

jue. 2/19

10:00 am-9:00 am

1 stop14h 00m

Barcelona-El Prat

mar. 2/24

12:30 pm-9:43 pm

1 stop18h 13m

$583

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

vie. 11/28

6:30 am-9:00 am

1 stop17h 30m

Barcelona-El Prat

mar. 12/9

12:30 pm-9:44 pm

1 stop18h 14m

$583

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

jue. 11/27

7:00 am-8:00 am

1 stop16h 00m

Barcelona-El Prat

jue. 12/11

10:15 am-8:46 pm

1 stop19h 31m

$583

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

jue. 11/27

6:15 am-9:35 am

2 stops18h 20m

Barcelona-El Prat

jue. 12/11

10:30 am-8:33 pm

1 stop19h 03m

$583

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

dom. 11/30

9:24 am-9:00 am

1 stop14h 36m

Barcelona-El Prat

sáb. 2/28

10:40 am-5:54 pm

1 stop16h 14m

$583

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

sáb. 10/18

1:01 pm-4:45 pm

1 stop18h 44m

$246

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

mié. 10/15

2:11 pm-1:30 am

3 stops50h 19m

$288

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 17 results
1
2

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 September 12, 2025.

The best time to book flights from San Diego to Barcelona-El Prat Airport is 4 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, January is the cheapest month in which you can book a flight from San Diego to Barcelona-El Prat Airport (average of $523). Flying from San Diego to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,061). 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.

What is the cheapest time of day to fly from SAN to BCN?

Find hourly flight availability from San Diego to Barcelona-El Prat. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 16, 2025.

When flying from San Diego to Barcelona-El Prat Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 10% versus a flight in the morning.

What is the cheapest day to fly from San Diego to Barcelona-El Prat Airport?

Use this chart to determine the cheapest time to fly round-trip from San Diego to Barcelona-El Prat. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Diego to Barcelona-El Prat Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from San Diego to Barcelona-El Prat Airport?

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 septiembre 16, 2025.
See what other customers who have flown with United Airlines, American Airlines, and Iberia 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.

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 8 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 32h 15m. 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 $513. Additional round-trip tickets that might be worth considering are offered by Air Canada and Delta, with the lowest prices starting at $528 and $540, respectively. KLM is currently priced 42% below the average price you’ll pay for this route.

  • Where are the most common layover locations when flying from San Diego to Barcelona-El Prat Airport?

  • 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 $40 per day.

  • What are some popular points of interest to see during a layover in Chicago?

    Magnificent Mile, River North, and Grant Park are the most popular attractions in Chicago if you're in need of something to do during your layover. Those on a layover in Chicago interested in visiting Magnificent Mile, River North, or Grant Park can do so by traveling 15.5 mi, 15.0 mi, and 16.2 mi, respectively from Chicago O'Hare Intl. Travelers can rent a car at Chicago O'Hare Intl for an average daily rate of $52 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?

  • 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, January is the cheapest month in which you can book a flight from San Diego to Barcelona-El Prat Airport (average of $523). Flying from San Diego to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,061). 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
Calella
Roses
Castelldefels
L'Hospitalet de Llobregat
Cadaques
El Prat de Llobregat
Badalona
Pineda de Mar
Santa Susanna

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 8 airlines flying from San Diego to Barcelona-El Prat

Discover the top 8 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 septiembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$513Average$794FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$528Average$784FlexibilityNo cancel feeOn-time67%
DeltaCheapest$540Average$855FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$546Average$896FlexibilityNo cancel feeOn-time71%
IberiaCheapest$573Average$946FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$579Average$854FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$581Average$887FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$601Average$929FlexibilityNo cancel feeOn-time76%

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.