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$262+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BCN
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/11. 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 1/146:50 amBCN - SAN
2 stops19h 38mLufthansa
Deal found 12/11$654
This oojo deal was found by Cheapflights users on 12/11. 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 1/1412:30 pmBCN - SAN
1 stop19h 28mBritish Airways
Deal found 12/11$675
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Sat 12/137:42 amSAN - BCN
1 stop15h 38mUnited Airlines
Sun 12/2110:30 amBCN - SAN
1 stop19h 22mUnited Airlines
Deal found 12/11$684
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/117:42 amSAN - BCN
1 stop15h 38mUnited Airlines
Sat 12/2011:00 amBCN - SAN
2 stops31h 44mUnited Airlines
Deal found 12/10$688
This United Airlines deal was found by Cheapflights users on 12/9. 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.
Sat 12/137:42 amSAN - BCN
1 stop15h 38mUnited Airlines
Sat 12/2011:00 amBCN - SAN
2 stops31h 44mUnited Airlines
Deal found 12/9$788
This Orbitz deal was found by Cheapflights users on 12/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1310:47 amSAN - BCN
2 stops37h 23mIberia
Sat 12/206:00 pmBCN - SAN
2 stops29h 34mIberia
Deal found 12/11$789
This Cheapflightsfares deal was found by Cheapflights users on 12/10. 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.
Fri 12/129:54 amSAN - BCN
2 stops21h 26mLufthansa
Mon 12/229:10 amBCN - SAN
2 stops19h 47mLufthansa
Deal found 12/10$828
This Cheapflightsfares deal was found by Cheapflights users on 12/10. 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.
Fri 12/129:54 amSAN - BCN
2 stops21h 26mLufthansa
Fri 12/199:10 amBCN - SAN
2 stops19h 47mLufthansa
Deal found 12/10$839
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Fri 12/127:00 amSAN - BCN
2 stops17h 00mUnited Airlines
Sun 12/2110:30 amBCN - SAN
1 stop19h 22mUnited Airlines
Deal found 12/10$871

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 12, 2025.

Round-trip from

$482
(oojo)

One-way from

$262
(oojo)

Popular in

June

Cheapest in

November

Average price

$962
From San Diego to Barcelona
Search Deals
One-way flight from San Diego to Barcelona
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($170 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
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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 12, 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 3/7

6:00 pm-5:55 pm

1 stop14h 55m

Barcelona-El Prat

Sat 3/21

5:30 pm-5:05 pm

1 stop31h 35m

$483

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sun 2/22

6:00 pm-8:05 pm

1 stop17h 05m

Barcelona-El Prat

Mon 3/9

9:00 pm-5:10 pm

1 stop28h 10m

$483

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 2/25

6:00 pm-6:25 pm

1 stop15h 25m

Barcelona-El Prat

Mon 3/9

1:35 pm-5:10 pm

1 stop35h 35m

$483

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sat 2/21

9:25 am-9:00 am

1 stop14h 35m

Barcelona-El Prat

Sun 3/8

10:40 am-7:37 pm

1 stop17h 57m

$484

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 2/24

6:15 am-8:20 am

2 stops17h 05m

Barcelona-El Prat

Sun 3/8

10:30 am-8:52 am

2 stops31h 22m

$488

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 2/25

4:00 pm-9:05 am

2 stops32h 05m

Barcelona-El Prat

Fri 3/6

7:50 pm-8:53 pm

2 stops34h 03m

$498

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 2/25

6:00 pm-6:25 pm

1 stop15h 25m

Barcelona-El Prat

Fri 3/6

11:00 am-10:48 pm

1 stop20h 48m

$527

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 2/24

8:00 am-8:40 am

1 stop15h 40m

Barcelona-El Prat

Thu 3/5

6:00 am-12:05 pm

1 stop15h 05m

$530

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sun 2/22

6:00 pm-7:05 pm

1 stop16h 05m

Barcelona-El Prat

Sat 3/7

10:10 am-4:10 pm

1 stop15h 00m

$533

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Fri 2/27

10:15 pm-8:00 am

1 stop24h 45m

Barcelona-El Prat

Sat 3/7

6:00 am-12:05 pm

1 stop15h 05m

$580

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 21 results
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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 5, 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 $437). 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 12, 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 12, 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
9,095 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.6

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
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.6

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
11,050 reviews
United Airlines
7.4
Good
9,095 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.6

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
3,045 reviews
United Airlines
7.4
Good
9,095 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.6

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
7,626 reviews
United Airlines
7.4
Good
9,095 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.6

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
7,571 reviews
United Airlines
7.4
Good
9,095 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.6

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 14h 55m. British Airways provides one of the quickest options available for as low as $483. 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 $483. Other airlines that can offer you cheap pricing are Iberia, from $492, and Delta, from $493. You may be able to fly from San Diego to Barcelona for 42% 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 $320 and $395 on Lufthansa and Air Canada, 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 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 $29 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 $51 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, December is the cheapest month in which you can book a flight from San Diego to Barcelona (average of $437). 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$483Average$769FlexibilityNo cancel feeOn-time75%
IberiaCheapest$492Average$860FlexibilityNo cancel feeOn-time77%
DeltaCheapest$493Average$823FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$528Average$784FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$556Average$886FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$562Average$858FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$581Average$881FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$634Average$897FlexibilityNo cancel feeOn-time71%

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