Barcelona

$259+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BCN
Apr 3 — Apr 101
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Diego to Barcelona 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.

Cheap 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 March 4, 2026.

This Delta deal was found by Cheapflights users on 3/2. 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.
Mon 9/2110:00 am
SAN
-
BCN
2 stops22h 10m
Delta
Mon 10/511:10 am
BCN
-
SAN
1 stop33h 40m
Delta
Deal found 3/2$540
This Delta deal was found by Cheapflights users on 3/2. 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 9/221:40 pm
SAN
-
BCN
1 stop13h 50m
Delta
Wed 9/301:25 pm
BCN
-
SAN
1 stop31h 25m
Delta
Deal found 3/2$545
This KLM deal was found by Cheapflights users on 3/2. 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.
Tue 10/61:40 pm
SAN
-
BCN
1 stop17h 45m
KLM
Thu 10/226:20 am
BCN
-
SAN
1 stop14h 30m
KLM
Deal found 3/2$546
This Delta deal was found by Cheapflights users on 3/3. 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.
Mon 9/2110:00 am
SAN
-
BCN
2 stops17h 30m
Delta
Tue 9/296:20 am
BCN
-
SAN
1 stop14h 30m
Delta
Deal found 3/3$551
This Delta deal was found by Cheapflights users on 3/2. 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 9/221:05 pm
SAN
-
BCN
2 stops19h 05m
Delta
Fri 10/26:10 am
BCN
-
SAN
2 stops21h 44m
Delta
Deal found 3/2$552
This KLM deal was found by Cheapflights users on 3/1. 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.
Mon 9/281:35 pm
SAN
-
BCN
1 stop36h 35m
KLM
Tue 10/136:20 am
BCN
-
SAN
1 stop14h 30m
KLM
Deal found 3/1$553
This Delta deal was found by Cheapflights users on 3/3. 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.
Mon 10/53:59 pm
SAN
-
BCN
2 stops16h 11m
Delta
Tue 10/2011:10 am
BCN
-
SAN
2 stops20h 39m
Delta
Deal found 3/3$555
This Delta deal was found by Cheapflights users on 3/2. 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 10/63:59 pm
SAN
-
BCN
2 stops16h 11m
Delta
Thu 10/226:20 am
BCN
-
SAN
2 stops21h 35m
Delta
Deal found 3/2$556
This Delta deal was found by Cheapflights users on 3/2. 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 9/221:40 pm
SAN
-
BCN
1 stop13h 50m
Delta
Thu 10/16:10 am
BCN
-
SAN
2 stops18h 09m
Delta
Deal found 3/2$557
This Delta deal was found by Cheapflights users on 3/2. 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 9/227:00 am
SAN
-
BCN
1 stop19h 10m
Delta
Mon 10/51:25 pm
BCN
-
SAN
1 stop31h 25m
Delta
Deal found 3/2$561

Find 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 March 4, 2026.

Round-trip from

$634
(AirNGo)

One-way from

$259
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$806
From San Diego to Barcelona
One-way flight from San Diego to Barcelona
Highest demand for flights based on searches. 18% potential increase in price ($186 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
Average for round-trip flights in March 2026

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 March 4, 2026.
Use the filters below to find and compare flights from San Diego to Barcelona that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Mon 4/13

3:09 pm-5:35 pm

2 stops17h 26m

Barcelona-El Prat

Tue 4/28

10:30 am-8:43 pm

1 stop19h 13m

$666

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 4/15

6:25 am-11:15 am

2 stops19h 50m

Barcelona-El Prat

Tue 5/5

11:10 am-10:29 pm

2 stops20h 19m

$732

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sun 5/10

3:05 pm-5:10 pm

2 stops17h 05m

Barcelona-El Prat

Fri 5/22

11:10 am-10:00 pm

2 stops19h 50m

$732

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 5/13

10:55 am-10:25 pm

2 stops26h 30m

Barcelona-El Prat

Thu 5/21

12:15 pm-8:43 pm

1 stop17h 28m

$773

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 3/17

9:50 am-11:10 am

2 stops17h 20m

Barcelona-El Prat

Tue 3/31

6:20 am-11:50 am

1 stop14h 30m

$780

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 3/17

6:15 am-11:10 am

2 stops20h 55m

Barcelona-El Prat

Tue 4/14

6:20 am-11:50 am

1 stop14h 30m

$780

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Fri 4/17

10:30 pm-12:50 pm

1 stop29h 20m

Barcelona-El Prat

Sun 4/26

6:20 am-6:05 pm

2 stops20h 45m

$784

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sat 5/2

10:25 pm-8:45 am

1 stop25h 20m

Barcelona-El Prat

Sat 5/16

6:20 am-2:57 pm

2 stops17h 37m

$813

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Mon 5/11

6:20 am-2:20 pm

2 stops23h 00m

Barcelona-El Prat

Mon 5/25

7:55 am-3:25 pm

1 stop16h 30m

$832

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sat 5/9

3:15 pm-5:10 pm

2 stops16h 55m

Barcelona-El Prat

Sat 5/16

6:20 am-11:50 am

1 stop14h 30m

$833

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/27

Showing 1-10 of 19 resultsSorted by cheapest first
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 February 27, 2026.

Booking 89 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, February is the cheapest month in which you can book a flight from San Diego to Barcelona (average of $450). Flying from San Diego to Barcelona in June is currently the most expensive (average of $778). 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.

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 March 4, 2026.
Read through reviews of airlines operating flights from San Diego to Barcelona, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 9 different airlines.

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

    A quick flight from San Diego to Barcelona can take about 17h 26m. British Airways provides one of the quickest options available for as low as $666. The distance from San Diego to Barcelona is about 6025 mi. This flight may include one or multiple stops.

  • 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 $433. Other airlines that can offer you cheap pricing are Lufthansa, from $463, and Iberia, from $477. You may be able to fly from San Diego to Barcelona for 46% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from San Diego to Barcelona one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $243. Users have also found prices from $243 and $264 on KLM and Iberia, respectively.

  • Where are the most common layover locations when flying 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 $31 per day.

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

    Theresienwiese, Marienplatz, and Altes Rathaus are currently the most popular points of interest in Munich at the moment. Theresienwiese, Marienplatz, and Altes Rathaus are located about 18.8 mi, 17.8 mi, and 17.8 mi, respectively from Munich Franz Josef Strauss. Travelers in need of a car in Munich can rent one for about $60 per day.

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

  • 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, February is the cheapest month in which you can book a flight from San Diego to Barcelona (average of $450). Flying from San Diego to Barcelona in June is currently the most expensive (average of $778). 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

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 9 airlines flying from San Diego to Barcelona

Discover the top 9 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 March 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$433Average$698FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$463Average$813FlexibilityNo cancel feeOn-time76%
IberiaCheapest$477Average$775FlexibilityNo cancel feeOn-time77%
DeltaCheapest$487Average$868FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$493Average$798FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$515Average$861FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$528Average$777FlexibilityNo cancel feeOn-time67%
Scandinavian AirlinesCheapest$565Average$806FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$604Average$860FlexibilityNo cancel feeOn-time71%

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.