$261+ 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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BCN
Feb 1 — Feb 81
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.Cheap flight deals from San Diego to Barcelona-El Prat
Best flights from San Diego to Barcelona-El PratDiscover carefully curated flight deals from San Diego to Barcelona-El Prat that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 2, 2026.
Discover carefully curated flight deals from San Diego to Barcelona-El Prat that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 2, 2026.
This United Airlines deal was found by Cheapflights users on 12/31. 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 2/56:30 amSAN - BCN
2 stops17h 30mUnited Airlines
Sat 3/711:00 amBCN - SAN
1 stop19h 24mUnited Airlines
Deal found 12/31![United Airlines logo]()
$484
This Delta deal was found by Cheapflights users on 12/31. 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 3/710:20 pmSAN - BCN
2 stops23h 40mDelta
Sat 3/216:00 amBCN - SAN
1 stop15h 05mDelta
Deal found 12/31![Delta logo]()
$485
This KLM deal was found by Cheapflights users on 12/31. 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 4/167:00 amSAN - BCN
1 stop16h 45mKLM
Mon 4/279:20 amBCN - SAN
1 stop35h 30mKLM
Deal found 12/31![KLM logo]()
$530
This Delta deal was found by Cheapflights users on 1/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/101:02 pmSAN - BCN
2 stops20h 03mDelta
Fri 3/201:00 pmBCN - SAN
1 stop32h 05mDelta
Deal found 1/1![Delta logo]()
$486
This United Airlines deal was found by Cheapflights users on 1/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:57 amSAN - BCN
1 stop18h 43mUnited Airlines
Sun 3/85:50 amBCN - SAN
2 stops25h 50mUnited Airlines
Deal found 1/1![United Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 1/2. 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.
Mon 2/28:10 amSAN - BCN
2 stops21h 05mUnited Airlines
Tue 2/106:45 amBCN - SAN
3 stops23h 04mUnited Airlines
Deal found 1/2![United Airlines logo]()
$500
This United Airlines deal was found by Cheapflights users on 12/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:40 pmSAN - BCN
3 stops27h 20mUnited Airlines
Mon 5/41:15 pmBCN - SAN
2 stops31h 10mUnited Airlines
Deal found 12/30![United Airlines logo]()
$521
This United Airlines deal was found by Cheapflights users on 12/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/265:15 pmSAN - BCN
1 stop20h 10mUnited Airlines
Mon 5/41:15 pmBCN - SAN
2 stops31h 10mUnited Airlines
Deal found 12/30![United Airlines logo]()
$521
This United Airlines deal was found by Cheapflights users on 12/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:40 pmSAN - BCN
3 stops27h 40mUnited Airlines
Mon 5/41:15 pmBCN - SAN
2 stops31h 10mUnited Airlines
Deal found 12/30![United Airlines logo]()
$522
Find 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 January 2, 2026.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $484 (Orbitz) |
One-way from | $261 (oojo) |
Popular in | June |
Cheapest in | November |
Average price | $700 |
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 January 2, 2026.
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
Thu 2/5
6:30 am-9:00 am
2 stops17h 30m
Barcelona-El Prat
Sat 3/7
11:00 am-9:24 pm
1 stop19h 24m
$484
San DiegoBarcelona
SAN - BCN
SANBCN
San Diego
Sat 3/7
10:20 pm-7:00 am
2 stops23h 40m
Barcelona-El Prat
Sat 3/21
6:00 am-1:05 pm
1 stop15h 05m
$485
San DiegoBarcelona
SAN - BCN
SANBCN
San Diego
Tue 3/10
1:02 pm-5:05 pm
2 stops20h 03m
Barcelona-El Prat
Fri 3/20
1:00 pm-1:05 pm
1 stop32h 05m
$486
San DiegoBarcelona
SAN - BCN
SANBCN
San Diego
Wed 3/4
11:57 am-3:40 pm
1 stop18h 43m
Barcelona-El Prat
Sun 3/8
5:50 am-10:40 pm
2 stops25h 50m
$489
San DiegoBarcelona
SAN - BCN
SANBCN
San Diego
Mon 2/2
8:10 am-2:15 pm
2 stops21h 05m
Barcelona-El Prat
Tue 2/10
6:45 am-8:49 pm
3 stops23h 04m
$500
San DiegoBarcelona
SAN - BCN
SANBCN
San Diego
Tue 4/28
7:40 pm-8:00 am
3 stops27h 20m
Barcelona-El Prat
Mon 5/4
1:15 pm-11:25 am
2 stops31h 10m
$521
San DiegoBarcelona
SAN - BCN
SANBCN
San Diego
Sun 4/26
5:15 pm-10:25 pm
1 stop20h 10m
Barcelona-El Prat
Mon 5/4
1:15 pm-11:25 am
2 stops31h 10m
$521
San DiegoBarcelona
SAN - BCN
SANBCN
San Diego
Mon 4/27
7:40 pm-8:20 am
3 stops27h 40m
Barcelona-El Prat
Mon 5/4
1:15 pm-11:25 am
2 stops31h 10m
$522
San DiegoBarcelona
SAN - BCN
SANBCN
San Diego
Thu 4/16
7:00 am-8:45 am
1 stop16h 45m
Barcelona-El Prat
Mon 4/27
9:20 am-11:50 am
1 stop35h 30m
$530
San DiegoBarcelona
SAN - BCN
SANBCN
San Diego
Tue 5/5
3:07 pm-8:25 pm
2 stops20h 18m
$261
Showing 1-10 of 18 results
Compare providers for flights from San Diego to Barcelona-El Prat
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Barcelona-El Prat in January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on San Diego-Barcelona-El Prat Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Diego-Barcelona-El Prat Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Diego-Barcelona-El Prat Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Diego-Barcelona-El Prat Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Barcelona-El Prat Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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 December 26, 2025.
The best time to book flights from San Diego to Barcelona-El Prat Airport is 89 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, December is the cheapest month in which you can book a flight from San Diego to Barcelona-El Prat Airport (average of $473). Flying from San Diego to Barcelona-El Prat Airport 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.
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 January 2, 2026.
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.
Entertainment
7.1
Overall
7.4
Food
6.6
Crew
8.1
Comfort
7.3
Boarding
7.7
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Entertainment
7.1
Overall
7.4
Food
6.6
Crew
8.1
Comfort
7.3
Boarding
7.7
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Entertainment
7.1
Overall
7.4
Food
6.6
Crew
8.1
Comfort
7.3
Boarding
7.7
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Entertainment
7.1
Overall
7.4
Food
6.6
Crew
8.1
Comfort
7.3
Boarding
7.7
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Entertainment
7.1
Overall
7.4
Food
6.6
Crew
8.1
Comfort
7.3
Boarding
7.7
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Entertainment
7.1
Overall
7.4
Food
6.6
Crew
8.1
Comfort
7.3
Boarding
7.7
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
L'Hospitalet de Llobregat
Cadaques
El Prat de Llobregat
Badalona
Pineda de Mar
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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 January 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$465 | Average$870 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$483 | Average$769 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$492 | Average$860 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$528 | Average$784 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$531 | Average$868 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$549 | Average$835 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$567 | Average$879 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$606 | Average$887 | FlexibilityNo cancel fee | On-time71% |