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$281+ 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BCN
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Barcelona are usually found in November or January, booked 69 days in advance, depart on a Wednesday or Monday and return on a Wednesday

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 December 23, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/22. 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 12/315:35 pmSAN - BCN
1 stop15h 00mLufthansa
Wed 1/147:40 amBCN - SAN
2 stops18h 48mLufthansa
Deal found 12/22$656
This oojo deal was found by Cheapflights users on 12/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 pmSAN - BCN
1 stop15h 25mBritish Airways
Wed 1/146:40 amBCN - SAN
1 stop18h 30mBritish Airways
Deal found 12/21$658
This Expedia deal was found by Cheapflights users on 12/22. 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.
Fri 12/2610:42 amSAN - BCN
2 stops37h 28mIberia
Thu 1/87:15 pmBCN - SAN
2 stops36h 11mIberia
Deal found 12/22$796
This Delta deal was found by Cheapflights users on 12/22. 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 12/269:45 pmSAN - BCN
1 stop24h 30mDelta
Fri 1/96:00 amBCN - SAN
2 stops23h 43mDelta
Deal found 12/22$919
This Expedia deal was found by Cheapflights users on 12/22. 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.
Fri 12/265:35 pmSAN - BCN
1 stop29h 50mMultiple Airlines
Thu 1/83:05 pmBCN - SAN
2 stops38h 42mMultiple Airlines
Deal found 12/22$985
This oojo deal was found by Cheapflights users on 12/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:38 pmSAN - BCN
2 stops36h 02mBritish Airways
Wed 1/75:20 pmBCN - SAN
2 stops31h 37mBritish Airways
Deal found 12/21$988
This oojo deal was found by Cheapflights users on 12/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:58 pmSAN - BCN
2 stops20h 27mBritish Airways
Tue 1/62:40 pmBCN - SAN
2 stops41h 18mBritish Airways
Deal found 12/22$1,017
This CheapOair deal was found by Cheapflights users on 12/22. 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.
Fri 12/2612:39 pmSAN - BCN
2 stops35h 31mBritish Airways
Wed 1/75:20 pmBCN - SAN
2 stops31h 37mBritish Airways
Deal found 12/22$1,026

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 December 23, 2025.

Round-trip from

$484
(Finnair)

One-way from

$281
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$846
From San Diego to Barcelona
Search Deals
One-way flight from San Diego to Barcelona
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($179 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 23, 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

Sat 1/31

9:24 am-9:00 am

1 stop14h 36m

Barcelona-El Prat

Sat 2/7

10:40 am-10:50 pm

1 stop21h 10m

$484

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sat 2/14

9:25 am-9:00 am

1 stop14h 35m

Barcelona-El Prat

Sun 2/22

11:00 am-10:48 pm

1 stop20h 48m

$484

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 2/11

10:45 am-12:15 pm

2 stops16h 30m

Barcelona-El Prat

Sat 2/21

6:00 am-12:05 pm

1 stop15h 05m

$491

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sat 2/14

9:00 am-9:35 am

2 stops39h 35m

Barcelona-El Prat

Sun 2/22

10:30 am-9:24 am

2 stops31h 54m

$492

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 2/10

2:55 pm-5:05 pm

2 stops17h 10m

Barcelona-El Prat

Sat 2/21

6:00 am-8:53 pm

2 stops23h 53m

$495

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sat 1/31

7:10 am-9:45 am

2 stops17h 35m

Barcelona-El Prat

Sat 2/7

10:40 am-10:50 pm

1 stop21h 10m

$499

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sat 1/31

10:37 am-5:00 pm

2 stops21h 23m

Barcelona-El Prat

Sat 2/7

6:00 am-10:32 pm

2 stops25h 32m

$501

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sun 3/22

10:25 pm-7:00 am

1 stop24h 35m

Barcelona-El Prat

Wed 5/13

5:20 pm-11:50 am

1 stop27h 30m

$583

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sun 3/22

10:25 pm-7:00 am

1 stop24h 35m

Barcelona-El Prat

Fri 5/15

12:55 pm-10:48 pm

1 stop18h 53m

$587

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sun 3/22

10:25 pm-7:00 am

1 stop24h 35m

Barcelona-El Prat

Tue 5/12

10:55 am-9:44 pm

2 stops19h 49m

$592

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 19 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 December 19, 2025.

Booking 69 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, December 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.

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 December 23, 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 9% 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 December 23, 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
9,106 reviews

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

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
9,106 reviews
United Airlines
7.4
Good
9,106 reviews

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

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
11,050 reviews
United Airlines
7.4
Good
9,106 reviews

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

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
3,056 reviews
United Airlines
7.4
Good
9,106 reviews

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

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
7,649 reviews
United Airlines
7.4
Good
9,106 reviews

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

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
7,606 reviews
United Airlines
7.4
Good
9,106 reviews

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

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 16h 30m. KLM provides one of the quickest options available for as low as $491. 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 $466. Other airlines that can offer you cheap pricing are KLM, from $483, and Iberia, from $492. You may be able to fly from San Diego to Barcelona for 43% 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 Iberia. According to our data, you can fly for as low as $272. Users have also found prices from $313 and $320 on British Airways and Lufthansa, respectively.

  • 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 Munich 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 $32 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 $54 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 Chicago least frequently.

  • 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, December 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

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Alternative routes for San Diego to Barcelona

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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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$466Average$877FlexibilityNo cancel feeOn-time76%
KLMCheapest$483Average$769FlexibilityNo cancel feeOn-time75%
IberiaCheapest$492Average$855FlexibilityNo cancel feeOn-time77%
DeltaCheapest$493Average$817FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$528Average$784FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$548Average$829FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$573Average$878FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$606Average$892FlexibilityNo cancel feeOn-time71%

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