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$264+ Cheap flights from San Diego (SAN) to Barcelona

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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BCN
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Barcelona are usually found in January or November, booked 4 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap flight deals from San Diego to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Barcelona (S37). 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 August 18, 2025.

Round-trip from

$580
(Gotogate)

One-way from

$264
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$873
From San Diego to Barcelona
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One-way flight from San Diego to Barcelona
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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. 4% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from San Diego to Barcelona

Cheapest flights from San Diego to Barcelona
Explore the most affordable flight options available from San Diego to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This Gotogate deal was found by Cheapflights users on 8/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/155:15 pmSAN - BCN
1 stop15h 40mMultiple Airlines
Tue 10/2112:10 pmBCN - SAN
1 stop16h 25mMultiple Airlines
Deal found 8/16$580
This Air Canada deal was found by Cheapflights users on 8/17. 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.
Sun 9/2112:25 pmSAN - BCN
1 stop35h 55mMultiple Airlines
Tue 10/712:10 pmBCN - SAN
2 stops19h 34mMultiple Airlines
Deal found 8/17$582
This British Airways deal was found by Cheapflights users on 8/16. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/29:24 amSAN - BCN
1 stop14h 36mBritish Airways
Tue 12/1612:30 pmBCN - SAN
1 stop18h 12mBritish Airways
Deal found 8/16$583
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Thu 11/2710:30 pmSAN - BCN
2 stops26h 05mUnited Airlines
Tue 12/910:30 amBCN - SAN
1 stop19h 03mUnited Airlines
Deal found 8/16$584
This Ovago deal was found by Cheapflights users on 8/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/144:40 pmSAN - BCN
1 stop18h 45mBritish Airways
Wed 10/2212:20 pmBCN - SAN
1 stop17h 52mBritish Airways
Deal found 8/17$585
This Finnair deal was found by Cheapflights users on 8/16. 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.
Thu 11/2710:15 pmSAN - BCN
1 stop23h 50mMultiple Airlines
Tue 12/912:30 pmBCN - SAN
1 stop18h 12mMultiple Airlines
Deal found 8/16$586
This Delta deal was found by Cheapflights users on 8/16. 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.
Thu 11/278:50 amSAN - BCN
2 stops20h 10mDelta
Wed 12/1010:15 amBCN - SAN
2 stops21h 43mDelta
Deal found 8/16$587
This FlightHub deal was found by Cheapflights users on 8/18. 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.
Tue 12/212:45 pmSAN - BCN
2 stops35h 50mMultiple Airlines
Wed 12/249:10 amBCN - SAN
1 stop15h 35mMultiple Airlines
Deal found 8/18$588
This Delta deal was found by Cheapflights users on 8/18. 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.
Fri 10/317:10 amSAN - BCN
1 stop15h 50mDelta
Fri 11/146:00 amBCN - SAN
2 stops23h 26mDelta
Deal found 8/18$591
This United Airlines deal was found by Cheapflights users on 8/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/306:15 amSAN - BCN
2 stops18h 20mUnited Airlines
Sun 12/219:10 amBCN - SAN
1 stop15h 35mUnited Airlines
Deal found 8/17$592
This Delta deal was found by Cheapflights users on 8/16. 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.
Tue 10/1410:10 pmSAN - BCN
1 stop22h 50mDelta
Wed 10/2211:35 amBCN - SAN
1 stop18h 45mDelta
Deal found 8/16$593

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Barcelona 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 August 18, 2025.
Use the filters below to find and compare flights from San Diego to Barcelona that are best for you.

Fly from

San Diego

Fly to

Barcelona

Route

Depart

Return

Price

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 10/15

5:15 pm-5:55 pm

1 stop15h 40m

Barcelona-El Prat

Tue 10/21

12:10 pm-7:35 pm

1 stop16h 25m

$580

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sun 1/11

10:56 am-8:50 am

1 stop12h 54m

Barcelona-El Prat

Tue 1/27

10:40 am-8:09 pm

1 stop18h 29m

$582

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 9/30

6:48 am-7:50 am

2 stops16h 02m

Barcelona-El Prat

Tue 10/7

6:50 am-3:51 pm

2 stops18h 01m

$582

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sun 9/21

12:25 pm-9:20 am

1 stop35h 55m

Barcelona-El Prat

Tue 10/7

12:10 pm-10:44 pm

2 stops19h 34m

$582

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 2/11

9:30 am-8:50 am

1 stop14h 20m

Barcelona-El Prat

Thu 2/19

12:30 pm-9:43 pm

1 stop18h 13m

$583

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 2/11

7:00 am-9:35 am

2 stops17h 35m

Barcelona-El Prat

Fri 2/20

10:30 am-8:33 pm

1 stop19h 03m

$583

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Mon 10/6

10:44 am-10:10 am

1 stop14h 26m

Barcelona-El Prat

Tue 10/14

2:00 pm-9:21 pm

1 stop16h 21m

$583

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 12/2

6:30 am-9:00 am

1 stop17h 30m

Barcelona-El Prat

Tue 12/16

12:30 pm-9:42 pm

1 stop18h 12m

$583

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 2/11

10:56 am-8:50 am

1 stop12h 54m

Barcelona-El Prat

Wed 2/25

12:30 pm-9:43 pm

1 stop18h 13m

$583

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Mon 9/22

6:15 am-4:10 pm

3 stops24h 55m

$264

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 18 results
1
2

Best time to book a flight from San Diego to Barcelona

Have a flexible travel schedule? Discover the best time to fly to Barcelona 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

How far ahead should I book a flight from San Diego to Barcelona?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Barcelona. Price data was last updated on August 8, 2025.

Booking 4 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Diego to Barcelona. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Diego to Barcelona?

Currently, January is the cheapest month in which you can book a flight from San Diego to Barcelona (average of $523). Flying from San Diego to Barcelona in June is currently the most expensive (average of $1,057). 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. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2025.

When flying from San Diego to Barcelona, 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?

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

Travelers seeking maximum savings on their San Diego to Barcelona 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.

Reviews of airlines servicing Barcelona

Get insights into the airlines that provide service to Barcelona. 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. Reviews last updated August 18, 2025.
Read through reviews of airlines operating flights from San Diego to Barcelona, such as United Airlines, American Airlines, and Iberia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,925 reviews

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

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??
United Airlines
7.4
Good
8,925 reviews
United Airlines
7.4
Good
8,925 reviews

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

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??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,925 reviews

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

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??
Iberia
7.0
Good
2,884 reviews
United Airlines
7.4
Good
8,925 reviews

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

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??
Lufthansa
6.8
Okay
7,330 reviews
United Airlines
7.4
Good
8,925 reviews

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

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??
British Airways
6.7
Okay
7,277 reviews
United Airlines
7.4
Good
8,925 reviews

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

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. 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?

    Located just 2.6 mi from the city center, San Diego is the airport most travelers will use when flying to Barcelona from San Diego. Booking flights from San Diego (SAN) to Barcelona should be relatively easy as there are 0 daily outbound flights to Barcelona from 8 different airlines.

  • How long is the flight from San Diego to Barcelona?

    A quick flight from San Diego to Barcelona can take about 12h 54m. Iberia provides one of the quickest options available for as low as $582. The distance from San Diego to Barcelona is about 6025 mi.

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

    Cheapflights users have booked flights from San Diego to Barcelona round-trip from $528. Other airlines that can offer you cheap pricing are Delta, from $540, and American Airlines, from $544. You may be able to fly from San Diego to Barcelona for 41% less than the average price by searching for these airlines.

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

    The most popular layover on flights from San Diego to Barcelona is London. London is followed by Chicago in terms of the most popular layover location on flights from San Diego to Barcelona.

  • What are some popular things to do or see while on a layover in London?

    The majority of London visitors spend their time at Hyde Park, Buckingham Palace, and Piccadilly Circus. Travelers on a layover in London can visit Hyde Park, Buckingham Palace, and Piccadilly Circus, by traveling 12.5 mi, 13.7 mi, and 14.1 mi, respectively after landing at London Heathrow. Those landing in London looking to spend some time exploring during their layover can rent a car for about $48 per day.

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

    Magnificent Mile, River North, and Grant Park are currently the most popular points of interest in Chicago at the moment. Magnificent Mile, River North, and Grant Park are located about 15.5 mi, 15.0 mi, and 16.2 mi, respectively from Chicago O'Hare Intl. Travelers in need of a car in Chicago can rent one for about $66 per day.

  • Where are the least popular layover locations for San Diego to Barcelona flights?

    Flights departing from San Diego and landing in Barcelona layover in Munich least frequently. Philadelphia sees the second fewest layovers for non-direct flights flying from San Diego to Barcelona.

  • Can I find deals for flights from San Diego to Barcelona that include hotel bookings?

    Yes. In addition to deals on San Diego to Barcelona flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Barcelona?

    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.

  • Can I find deals for business class flights from San Diego to Barcelona?

    Yes. Cheapflights offers flight deals from San Diego to Barcelona 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?

    Currently, January is the cheapest month in which you can book a flight from San Diego to Barcelona (average of $523). Flying from San Diego to Barcelona in June is currently the most expensive (average of $1,057). 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.

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Top 8 airlines flying from San Diego to Barcelona

Discover the top 8 airlines that operate flights from San Diego to Barcelona. 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$528Average$776FlexibilityNo cancel feeOn-time67%
DeltaCheapest$540Average$943FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$544Average$881FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$565Average$892FlexibilityNo cancel feeOn-time70%
IberiaCheapest$573Average$955FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$587Average$865FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$622Average$946FlexibilityNo cancel feeOn-time76%
KLMCheapest$623Average$812FlexibilityNo cancel feeOn-time75%

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