Barcelona

$355+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BCN
Apr 21 — Apr 281
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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 22, 2026.

This eDestinos deal was found by Cheapflights users on 3/19. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:30 am
SAN
-
BCN
1 stop17h 30m
Iberia
Tue 11/101:30 pm
BCN
-
SAN
1 stop17h 09m
Iberia
Deal found 3/19$671
This Cheapflightsfares deal was found by Cheapflights users on 3/21. 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.
Wed 9/235:15 pm
SAN
-
BCN
1 stop20h 10m
Lufthansa
Tue 9/299:05 am
BCN
-
SAN
1 stop15h 20m
Lufthansa
Deal found 3/21$720
This Cheapflightsfares deal was found by Cheapflights users on 3/21. 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.
Mon 9/212:24 pm
SAN
-
BCN
2 stops18h 31m
Lufthansa
Wed 9/309:05 am
BCN
-
SAN
1 stop15h 20m
Lufthansa
Deal found 3/21$724
This Cheapflightsfares deal was found by Cheapflights users on 3/21. 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.
Tue 9/225:15 pm
SAN
-
BCN
1 stop20h 10m
Lufthansa
Tue 9/296:40 am
BCN
-
SAN
2 stops20h 57m
Lufthansa
Deal found 3/21$727
This Cheapflightsfares deal was found by Cheapflights users on 3/21. 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.
Tue 9/224:06 pm
SAN
-
BCN
2 stops18h 04m
SWISS
Tue 9/296:00 am
BCN
-
SAN
2 stops24h 57m
SWISS
Deal found 3/21$739
This SmartFares deal was found by Cheapflights users on 3/17. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/115:15 pm
SAN
-
BCN
1 stop15h 40m
Lufthansa
Tue 10/206:40 am
BCN
-
SAN
2 stops20h 46m
Lufthansa
Deal found 3/17$747
This Gotogate deal was found by Cheapflights users on 3/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1112:35 pm
SAN
-
BCN
2 stops58h 25m
Air Canada
Tue 10/206:40 am
BCN
-
SAN
2 stops38h 07m
Air Canada
Deal found 3/17$752
This Air Canada deal was found by Cheapflights users on 3/19. 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.
Mon 11/3011:50 am
SAN
-
BCN
2 stops36h 45m
Air Canada
Thu 12/31:35 pm
BCN
-
SAN
2 stops35h 44m
Air Canada
Deal found 3/19$755
This Justfly.com deal was found by Cheapflights users on 3/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:24 pm
SAN
-
BCN
2 stops18h 31m
Lufthansa
Wed 10/219:05 am
BCN
-
SAN
1 stop15h 20m
Lufthansa
Deal found 3/19$758
This Kiwi.com deal was found by Cheapflights users on 3/20. 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.
Fri 5/293:30 pm
SAN
-
BCN
1 stop36h 00m
Multiple Airlines
Sat 6/63:00 pm
BCN
-
SAN
2 stops41h 47m
Multiple Airlines
Deal found 3/20$759

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 22, 2026.

Round-trip from

$759
(Kiwi.com)

One-way from

$355
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$802
From San Diego to Barcelona
One-way flight from San Diego to Barcelona
Highest demand for flights based on searches. 19% potential increase in price ($190 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($34 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 22, 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

Cheapest round-trip

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Mon 4/20

6:20 am-12:50 pm

2 stops21h 30m

Barcelona-El Prat

Mon 4/27

1:25 pm-11:50 am

1 stop31h 25m

$823

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 5/5

7:15 am-2:20 pm

1 stop22h 05m

Barcelona-El Prat

Tue 5/12

12:15 pm-8:43 pm

1 stop17h 28m

$865

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sat 5/9

2:54 pm-11:15 pm

2 stops23h 21m

Barcelona-El Prat

Sun 5/17

7:40 am-11:59 pm

2 stops25h 19m

$940

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sun 3/29

10:30 pm-8:20 am

2 stops24h 50m

Barcelona-El Prat

Fri 4/10

11:15 am-11:16 am

1 stop33h 01m

$984

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Mon 3/30

8:00 am-8:20 am

1 stop15h 20m

Barcelona-El Prat

Sun 4/12

7:55 am-10:30 pm

2 stops23h 35m

$1,025

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 6/2

7:40 pm-10:40 pm

1 stop18h 00m

Barcelona-El Prat

Thu 6/11

7:40 am-2:55 pm

1 stop16h 15m

$1,071

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Fri 5/15

4:45 pm-8:15 pm

1 stop18h 30m

Barcelona-El Prat

Tue 7/14

9:30 pm-2:55 pm

1 stop26h 25m

$1,101

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sun 6/7

7:40 pm-10:30 pm

1 stop17h 50m

Barcelona-El Prat

Sat 6/13

11:45 am-2:55 pm

1 stop36h 10m

$1,183

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sun 5/3

10:05 am-6:10 pm

3 stops23h 05m

Barcelona-El Prat

Sun 5/10

9:45 am-11:15 pm

2 stops22h 30m

$1,290
Quickest round-trip

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Fri 6/5

7:40 pm-7:00 pm

1 stop14h 20m

Barcelona-El Prat

Wed 6/17

10:45 am-5:50 pm

1 stop16h 05m

$1,292

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/22

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 March 13, 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, October is the cheapest month in which you can book a flight from San Diego to Barcelona (average of $446). 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.

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

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 22, 2026.
Read through reviews of airlines operating flights from San Diego to Barcelona, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

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

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

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

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

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

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

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

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

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

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

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 21h 30m. Delta provides one of the quickest options available for as low as $823. 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 $383. 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 51% 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 $33 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 $48 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, October is the cheapest month in which you can book a flight from San Diego to Barcelona (average of $446). 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

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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 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$383Average$626FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$463Average$734FlexibilityNo cancel feeOn-time76%
IberiaCheapest$477Average$756FlexibilityNo cancel feeOn-time77%
DeltaCheapest$487Average$763FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$493Average$785FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$498Average$686FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$515Average$871FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$565Average$806FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$601Average$846FlexibilityNo cancel feeOn-time71%

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