$245+ Cheap flights from San Diego (SAN) to Barcelona-El Prat (BCN)
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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BCN
Aug 25 — Sep 11
1 adult, Economy
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Find cheap flights from San Diego to Barcelona-El Prat with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from San Diego to Barcelona-El Prat are usually found in January or November, booked 4 days in advance, depart on a Wednesday or Monday and return on a Wednesday
Cheap flight deals from San Diego to Barcelona-El Prat
Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Barcelona-El Prat (BCN). 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 August 20, 2025.
Round-trip from | $583 (United Airlines) |
|---|---|
One-way from | $245 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $873 |
Find flight deals from San Diego to Barcelona-El Prat
Cheapest flights from San Diego to Barcelona-El PratExplore the most affordable flight options available from San Diego to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.
Explore the most affordable flight options available from San Diego to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.
This British Airways deal was found by Cheapflights users on 8/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/29:24 amSAN - BCN
1 stop14h 36mBritish Airways
Tue 12/1612:30 pmBCN - SAN
1 stop18h 12mBritish Airways
Deal found 8/19![British Airways logo]()
$583
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:45 pmSAN - BCN
2 stops35h 50mMultiple Airlines
Wed 12/249:10 amBCN - SAN
1 stop15h 35mMultiple Airlines
Deal found 8/18![Multiple Airlines logo]()
$588
This Iberia deal was found by Cheapflights users on 8/18. 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.
Sat 9/202:55 pmSAN - BCN
1 stop34h 35mIberia
Fri 10/1012:20 pmBCN - SAN
1 stop20h 20mIberia
Deal found 8/18![Iberia logo]()
$589
This United Airlines deal was found by Cheapflights users on 8/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/306:15 amSAN - BCN
2 stops18h 20mUnited Airlines
Sun 12/216:45 amBCN - SAN
2 stops25h 52mUnited Airlines
Deal found 8/19![United Airlines logo]()
$590
This KLM deal was found by Cheapflights users on 8/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:10 amSAN - BCN
1 stop15h 50mMultiple Airlines
Tue 11/49:55 amBCN - SAN
2 stops18h 13mMultiple Airlines
Deal found 8/19![Multiple Airlines logo]()
$591
This United Airlines deal was found by Cheapflights users on 8/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2310:40 pmSAN - BCN
2 stops24h 10mUnited Airlines
Tue 9/308:00 amBCN - SAN
2 stops21h 19mUnited Airlines
Deal found 8/19![United Airlines logo]()
$592
This Delta deal was found by Cheapflights users on 8/18. 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.
Tue 10/1410:10 pmSAN - BCN
1 stop22h 50mDelta
Wed 10/2211:35 amBCN - SAN
1 stop20h 39mDelta
Deal found 8/18![Delta logo]()
$593
This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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 10/157:50 pmSAN - BCN
1 stop17h 55mBritish Airways
Tue 11/1810:05 amBCN - SAN
1 stop15h 05mBritish Airways
Deal found 8/18![British Airways logo]()
$594
This Delta deal was found by Cheapflights users on 8/18. 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 10/316:25 amSAN - BCN
2 stops16h 35mDelta
Fri 11/146:00 amBCN - SAN
2 stops23h 26mDelta
Deal found 8/18![Delta logo]()
$595
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego to Barcelona-El Prat 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 August 20, 2025.
Use the filters below to find and compare flights from San Diego to Barcelona-El Prat Airport that are best for you.
Fly from
San Diego
Fly to
Barcelona-El Prat
Route
Depart
Return
Price
San DiegoBarcelona
SAN - BCN
SANBCN
San Diego
Wed 2/11
7:00 am-9:35 am
2 stops17h 35m
Barcelona-El Prat
Fri 2/20
10:30 am-8:33 pm
1 stop19h 03m
$583
San DiegoBarcelona
SAN - BCN
SANBCN
San Diego
Tue 12/2
9:24 am-9:00 am
1 stop14h 36m
Barcelona-El Prat
Tue 12/16
12:30 pm-9:42 pm
1 stop18h 12m
$583
San DiegoBarcelona
SAN - BCN
SANBCN
San Diego
Mon 9/29
10:30 pm-9:20 am
1 stop25h 50m
Barcelona-El Prat
Wed 10/15
9:30 am-8:44 pm
1 stop20h 14m
$587
San DiegoBarcelona
SAN - BCN
SANBCN
San Diego
Tue 12/2
7:21 am-9:00 am
2 stops16h 39m
Barcelona-El Prat
Tue 12/16
12:30 pm-9:42 pm
1 stop18h 12m
$587
San DiegoBarcelona
SAN - BCN
SANBCN
San Diego
Sun 10/26
10:30 pm-8:20 am
2 stops25h 50m
Barcelona-El Prat
Fri 11/7
10:30 am-11:31 am
2 stops34h 01m
$587
San DiegoBarcelona
SAN - BCN
SANBCN
San Diego
Tue 9/23
8:00 am-9:20 am
1 stop16h 20m
Barcelona-El Prat
Wed 10/15
9:30 am-8:44 pm
1 stop20h 14m
$587
San DiegoBarcelona
SAN - BCN
SANBCN
San Diego
Wed 12/24
12:48 pm-9:10 am
2 stops35h 22m
Barcelona-El Prat
Wed 1/14
12:30 pm-9:39 pm
1 stop18h 09m
$587
San DiegoBarcelona
SAN - BCN
SANBCN
San Diego
Mon 12/1
6:15 am-9:35 am
2 stops18h 20m
Barcelona-El Prat
Wed 12/24
10:30 am-10:43 am
2 stops33h 13m
$587
San DiegoBarcelona
SAN - BCN
SANBCN
San Diego
Sun 9/28
8:00 am-9:20 am
1 stop16h 20m
Barcelona-El Prat
Wed 10/15
9:30 am-8:44 pm
1 stop20h 14m
$587
San DiegoBarcelona
SAN - BCN
SANBCN
San Diego
Sat 9/27
10:30 pm-7:15 am
1 stop23h 45m
Barcelona-El Prat
Wed 10/15
9:30 am-8:44 pm
1 stop20h 14m
$587
Showing 1-10 of 18 results
Best time to book a flight from San Diego to Barcelona-El Prat
Have a flexible travel schedule? Discover the best time to fly to Barcelona-El Prat 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-El Prat Airport
How far ahead should I book a flight from San Diego to Barcelona-El Prat Airport?
Use this chart to determine the optimal time to book a round-trip flight from San Diego to Barcelona-El Prat. Price data was last updated on August 8, 2025.
The best time to book flights from San Diego to Barcelona-El Prat Airport is 4 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from San Diego to Barcelona-El Prat Airport?
Currently, January is the cheapest month in which you can book a flight from San Diego to Barcelona-El Prat Airport (average of $523). Flying from San Diego to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,057). 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-El Prat. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 20, 2025.
When flying from San Diego to Barcelona-El Prat Airport, 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-El Prat Airport?
Use this chart to determine the cheapest time to fly round-trip from San Diego to Barcelona-El Prat. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their San Diego to Barcelona-El Prat Airport 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-El Prat
Get insights into the airlines that provide service to Barcelona-El Prat. 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-El Prat. Reviews last updated August 20, 2025.
See what other customers who have flown with United Airlines, American Airlines, and Iberia from San Diego to Barcelona-El Prat Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.4
Comfort
7.3
Boarding
7.7
Crew
8.1
Entertainment
7.1
Food
6.6
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Overall
7.4
Comfort
7.3
Boarding
7.7
Crew
8.1
Entertainment
7.1
Food
6.6
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Overall
7.4
Comfort
7.3
Boarding
7.7
Crew
8.1
Entertainment
7.1
Food
6.6
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Overall
7.4
Comfort
7.3
Boarding
7.7
Crew
8.1
Entertainment
7.1
Food
6.6
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Overall
7.4
Comfort
7.3
Boarding
7.7
Crew
8.1
Entertainment
7.1
Food
6.6
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Overall
7.4
Comfort
7.3
Boarding
7.7
Crew
8.1
Entertainment
7.1
Food
6.6
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Related info for your journey
Find useful and relevant information for your journey from San Diego to Barcelona-El Prat. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Barcelona-El Prat Airport?
Book flights to Barcelona-El Prat Airport if you plan to visit one of these locationsCalella
Roses
Castelldefels
L'Hospitalet de Llobregat
Cadaques
El Prat de Llobregat
Badalona
Pineda de Mar
Santa Susanna
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Alternative routes for San Diego to Barcelona-El Prat
See prices for flight routes from nearby airports that may be better suited for you.
Top 8 airlines flying from San Diego to Barcelona-El Prat
Discover the top 8 airlines that operate flights from San Diego to Barcelona-El Prat. 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 August 20, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$528 | Average$776 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$540 | Average$943 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$544 | Average$881 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$565 | Average$892 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$573 | Average$955 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$587 | Average$865 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$622 | Average$946 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$623 | Average$812 | FlexibilityNo cancel fee | On-time75% |