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$252+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BCN
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Barcelona are usually found in January or February, 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 July 3, 2025.

Round-trip from

$681
(Cheapflightsfares)

One-way from

$252
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$952
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. 16% potential increase in price ($179 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 July 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 July 3, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/156:20 amSAN - BCN
1 stop17h 45mIberia
Tue 8/1912:20 pmBCN - SAN
1 stop16h 44mIberia
Deal found 7/2$681
This Air Canada deal was found by Cheapflights users on 7/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/148:10 amSAN - BCN
1 stop14h 40mAir Canada
Sun 9/216:50 amBCN - SAN
2 stops18h 17mAir Canada
Deal found 7/2$683
This Mytrip deal was found by Cheapflights users on 7/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/258:10 amSAN - BCN
1 stop14h 40mMultiple Airlines
Mon 12/226:20 pmBCN - SAN
2 stops35h 18mMultiple Airlines
Deal found 7/1$684
This Gotogate deal was found by Cheapflights users on 6/30. 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.
Tue 9/99:14 amSAN - BCN
1 stop14h 51mBritish Airways
Sun 12/71:30 pmBCN - SAN
1 stop17h 12mBritish Airways
Deal found 6/30$687
This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/315:56 pmSAN - BCN
3 stops28h 54mUnited Airlines
Mon 9/812:10 pmBCN - SAN
2 stops32h 30mUnited Airlines
Deal found 7/2$690
This American Airlines deal was found by Cheapflights users on 7/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/94:40 pmSAN - BCN
1 stop16h 45mAmerican Airlines
Fri 8/222:00 pmBCN - SAN
1 stop16h 16mAmerican Airlines
Deal found 7/2$692
This Delta deal was found by Cheapflights users on 7/3. 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.
Wed 8/206:15 amSAN - BCN
2 stops18h 05mDelta
Fri 8/2911:35 amBCN - SAN
2 stops20h 04mDelta
Deal found 7/3$697
This Justfly.com deal was found by Cheapflights users on 7/2. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/310:54 amSAN - BCN
2 stops23h 56mAustrian Airlines
Mon 9/158:40 pmBCN - SAN
2 stops30h 40mAustrian Airlines
Deal found 7/2$700
This Air France deal was found by Cheapflights users on 7/1. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/256:25 amSAN - BCN
1 stop17h 55mAir France
Tue 9/212:20 pmBCN - SAN
2 stops17h 24mAir France
Deal found 7/1$720
This Virgin Atlantic deal was found by Cheapflights users on 7/1. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/156:20 amSAN - BCN
2 stops18h 00mVirgin Atlantic
Fri 8/229:30 amBCN - SAN
2 stops20h 14mVirgin Atlantic
Deal found 7/1$742
This CheapOair deal was found by Cheapflights users on 7/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/182:21 pmSAN - BCN
2 stops18h 34mLufthansa
Sun 9/286:45 pmBCN - SAN
1 stop29h 40mLufthansa
Deal found 7/2$750

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 July 3, 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

Fri 8/15

6:20 am-9:05 am

1 stop17h 45m

Barcelona-El Prat

Tue 8/19

12:20 pm-8:04 pm

1 stop16h 44m

$681

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sun 9/14

8:10 am-7:50 am

1 stop14h 40m

Barcelona-El Prat

Sun 9/21

6:50 am-4:07 pm

2 stops18h 17m

$683

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Mon 8/25

8:10 am-7:50 am

1 stop14h 40m

Barcelona-El Prat

Mon 12/22

6:20 pm-8:38 pm

2 stops35h 18m

$684

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 9/9

9:14 am-9:05 am

1 stop14h 51m

Barcelona-El Prat

Sun 12/7

1:30 pm-9:42 pm

1 stop17h 12m

$687

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sun 8/31

5:56 pm-7:50 am

3 stops28h 54m

Barcelona-El Prat

Mon 9/8

12:10 pm-11:40 am

2 stops32h 30m

$690

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sat 8/9

4:40 pm-6:25 pm

1 stop16h 45m

Barcelona-El Prat

Fri 8/22

2:00 pm-9:16 pm

1 stop16h 16m

$692

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 8/20

6:15 am-9:20 am

2 stops18h 05m

Barcelona-El Prat

Fri 8/29

11:35 am-10:39 pm

2 stops20h 04m

$697

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 9/3

10:54 am-7:50 pm

2 stops23h 56m

Barcelona-El Prat

Mon 9/15

8:40 pm-6:20 pm

2 stops30h 40m

$700

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Mon 8/25

6:25 am-9:20 am

1 stop17h 55m

Barcelona-El Prat

Tue 9/2

12:20 pm-8:44 pm

2 stops17h 24m

$720

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Fri 8/15

6:20 am-9:20 am

2 stops18h 00m

Barcelona-El Prat

Fri 8/22

9:30 am-8:44 pm

2 stops20h 14m

$742

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 16 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 June 27, 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 $1,059). 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 July 3, 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.

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 July 3, 2025.
Read through reviews of airlines operating flights from San Diego to Barcelona, such as Delta, Austrian Airlines, and Air France. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

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.
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

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.
Austrian Airlines
7.6
Good
809 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

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.
Air France
7.5
Good
1,465 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

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.
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

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.
Virgin Atlantic
7.4
Good
654 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

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.

  • 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 $681. Other airlines that can offer you cheap pricing are Air Canada, from $683, and British Airways, from $687. You may be able to fly from San Diego to Barcelona for 23% 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 $40 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 $64 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 $1,059). 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 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$510Average$970FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$518Average$906FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$525Average$825FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$542Average$914FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$562Average$894FlexibilityNo cancel feeOn-time70%
ITA AirwaysCheapest$573Average$634FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$578Average$906FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$595Average$985FlexibilityNo cancel feeOn-time76%
KLMCheapest$682Average$989FlexibilityNo cancel feeOn-time75%

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