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$304+ 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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BCN
May 20 — May 271
Tue 5/20
Tue 5/27
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 May 15, 2025.

Round-trip from

$699
(Delta)

One-way from

$304
(StudentUniverse)

Popular in

June

Cheapest in

January

Average price

$987
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 ($187 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 15, 2025.

This Delta deal was found by Cheapflights users on 5/15. 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.
Sat 7/510:30 pmSAN - BCN
1 stop23h 45mDelta
Wed 7/306:10 amBCN - SAN
2 stops21h 44mDelta
Deal found 5/15$699
This Air Canada deal was found by Cheapflights users on 5/14. 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.
Wed 7/166:45 amSAN - BCN
2 stops17h 35mAir Canada
Wed 8/61:15 pmBCN - SAN
1 stop31h 25mAir Canada
Deal found 5/14$700
This KLM deal was found by Cheapflights users on 5/15. 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.
Sun 7/206:15 amSAN - BCN
1 stop16h 00mKLM
Mon 8/117:40 pmBCN - SAN
1 stop25h 20mKLM
Deal found 5/15$701
This United Airlines deal was found by Cheapflights users on 5/15. 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 7/510:20 pmSAN - BCN
2 stops25h 00mUnited Airlines
Fri 7/2511:15 amBCN - SAN
1 stop18h 25mUnited Airlines
Deal found 5/15$702
This United deal was found by Cheapflights users on 5/14. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:52 pmSAN - BCN
3 stops29h 43mMultiple Airlines
Sun 11/91:35 pmBCN - SAN
2 stops30h 18mMultiple Airlines
Deal found 5/14$703
This Gotogate deal was found by Cheapflights users on 5/14. 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.
Sat 6/286:47 pmSAN - BCN
1 stop30h 23mBritish Airways
Mon 12/298:55 pmBCN - SAN
1 stop28h 10mBritish Airways
Deal found 5/14$707
This Iberia deal was found by Cheapflights users on 5/15. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/189:20 amSAN - BCN
1 stop14h 45mIberia
Fri 8/152:00 pmBCN - SAN
1 stop16h 12mIberia
Deal found 5/15$726
This SWISS deal was found by Cheapflights users on 5/14. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/161:50 pmSAN - BCN
2 stops24h 45mSWISS
Mon 8/118:00 pmBCN - SAN
2 stops35h 44mSWISS
Deal found 5/14$733
This Lufthansa deal was found by Cheapflights users on 5/15. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1611:17 amSAN - BCN
2 stops25h 23mLufthansa
Mon 8/111:30 pmBCN - SAN
1 stop34h 55mLufthansa
Deal found 5/15$738
This American Airlines deal was found by Cheapflights users on 5/14. 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.
Thu 7/107:50 pmSAN - BCN
1 stop15h 45mAmerican Airlines
Mon 7/212:00 pmBCN - SAN
1 stop16h 22mAmerican Airlines
Deal found 5/14$801
This Austrian Airlines deal was found by Cheapflights users on 5/15. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1810:54 amSAN - BCN
2 stops23h 56mAustrian Airlines
Sun 8/1010:00 amBCN - SAN
2 stops43h 40mAustrian Airlines
Deal found 5/15$889
This Mytrip deal was found by Cheapflights users on 5/14. 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.
Tue 7/12:05 pmSAN - BCN
3 stops34h 45mWestJet
Thu 7/1011:20 amBCN - SAN
2 stops33h 49mWestJet
Deal found 5/14$900

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 May 15, 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 7/5

10:30 pm-7:15 am

1 stop23h 45m

Barcelona-El Prat

Wed 7/30

6:10 am-6:54 pm

2 stops21h 44m

$699

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 7/16

6:45 am-9:20 am

2 stops17h 35m

Barcelona-El Prat

Wed 8/6

1:15 pm-11:40 am

1 stop31h 25m

$700

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sun 7/20

6:15 am-7:15 am

1 stop16h 00m

Barcelona-El Prat

Mon 8/11

7:40 pm-12:00 pm

1 stop25h 20m

$701

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sat 7/5

10:20 pm-8:20 am

2 stops25h 00m

Barcelona-El Prat

Fri 7/25

11:15 am-8:40 pm

1 stop18h 25m

$702

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sat 6/28

6:47 pm-10:10 am

1 stop30h 23m

Barcelona-El Prat

Mon 12/29

8:55 pm-4:05 pm

1 stop28h 10m

$707

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Fri 7/18

6:20 am-9:05 am

1 stop17h 45m

Barcelona-El Prat

Wed 8/13

2:00 pm-9:12 pm

1 stop16h 12m

$726

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 7/16

4:00 pm-7:10 pm

2 stops18h 10m

Barcelona-El Prat

Thu 8/14

6:00 am-6:35 pm

2 stops21h 35m

$733

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 5/20

1:55 pm-8:40 am

1 stop33h 45m

Barcelona-El Prat

Tue 8/5

2:10 pm-11:42 pm

1 stop18h 32m

$736

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 7/16

11:17 am-9:40 pm

2 stops25h 23m

Barcelona-El Prat

Mon 8/11

1:30 pm-3:25 pm

1 stop34h 55m

$738

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Thu 7/10

7:50 pm-8:35 pm

1 stop15h 45m

Barcelona-El Prat

Mon 7/21

2:00 pm-9:22 pm

1 stop16h 22m

$801

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/14

Showing 1-10 of 22 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 May 9, 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 $1,063). 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 May 15, 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.

Rainfall in Barcelona by month

Plan your trip to Barcelona by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Barcelona ranges from 0.8 - 3.6 inches per month. October is typically the wettest month, when rainfall can reach 3.6 in. July is typically the driest time to visit Barcelona when rainfall is around 0.8 in.

Temperature in Barcelona by month

Plan your trip to Barcelona by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Barcelona, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 May 15, 2025.
See what other customers who have flown with Delta, KLM and Finnair from San Diego to Barcelona have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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.
KLM
7.8
Good
1,344 reviews
Delta
8.0
Very good
7,946 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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.
Finnair
7.6
Good
1,279 reviews
Delta
8.0
Very good
7,946 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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
790 reviews
Delta
8.0
Very good
7,946 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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.
SWISS
7.5
Good
1,595 reviews
Delta
8.0
Very good
7,946 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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 $699. Other airlines that can offer you cheap pricing are Air Canada, from $700, and KLM, from $701. You may be able to fly from San Diego to Barcelona for 23% 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 Lufthansa. According to our data, you can fly for as low as $304. Users have also found prices from $413 and $416 on Air Canada and SWISS, 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, Piccadilly Circus, and Buckingham Palace. Travelers on a layover in London can visit Hyde Park, Piccadilly Circus, and Buckingham Palace, by traveling 12.5 mi, 14.1 mi, and 13.7 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 $43 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 $55 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 Philadelphia least frequently. Munich 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 $1,063). 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 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 May 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$528Average$997FlexibilityNo cancel feeOn-time67%
DeltaCheapest$540Average$984FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$542Average$930FlexibilityNo cancel feeOn-time71%
IberiaCheapest$557Average$968FlexibilityNo cancel feeOn-time77%
ITA AirwaysCheapest$573Average$634FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$593Average$889FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$621Average$1,031FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$638Average$946FlexibilityNo cancel feeOn-time69%
KLMCheapest$698Average$989FlexibilityNo cancel feeOn-time75%

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