$312+ 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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BCN
Nov 25 — Dec 21
1 adult, Economy
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Find cheap flights from San Diego to Barcelona 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 are usually found in November or January, booked 38 days in advance, depart on a Wednesday or Monday and return on a Wednesday
Find flight deals from San Diego to Barcelona
Cheapest flights from San Diego to BarcelonaExplore 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 October 26, 2025.
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 October 26, 2025.
This United Airlines deal was found by Cheapflights users on 10/24. 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 10/308:30 amSAN - BCN
1 stop15h 50mUnited Airlines
Thu 11/2010:30 amBCN - SAN
1 stop19h 03mUnited Airlines
Deal found 10/24![United Airlines logo]()
$534
This KAYAK deal was found by Cheapflights users on 10/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/286:35 pmSAN - BCN
1 stop20h 30mLufthansa
Sun 11/167:40 amBCN - SAN
1 stop17h 05mLufthansa
Deal found 10/24![Lufthansa logo]()
$535
This United Airlines deal was found by Cheapflights users on 10/24. 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 12/25:45 pmSAN - BCN
3 stops30h 50mUnited Airlines
Tue 12/1610:30 amBCN - SAN
2 stops31h 45mUnited Airlines
Deal found 10/24![United Airlines logo]()
$537
This Lufthansa deal was found by Cheapflights users on 10/24. 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.
Fri 10/316:35 pmSAN - BCN
1 stop20h 30mLufthansa
Thu 11/207:40 amBCN - SAN
2 stops18h 49mLufthansa
Deal found 10/24![Lufthansa logo]()
$540
This Delta deal was found by Cheapflights users on 10/25. 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 10/3111:44 amSAN - BCN
2 stops20h 46mDelta
Fri 11/149:55 amBCN - SAN
2 stops22h 48mDelta
Deal found 10/25![Delta logo]()
$542
This KAYAK deal was found by Cheapflights users on 10/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:35 pmSAN - BCN
1 stop20h 30mLufthansa
Mon 11/176:20 pmBCN - SAN
1 stop30h 25mLufthansa
Deal found 10/24![Lufthansa logo]()
$544
This Air Canada deal was found by Cheapflights users on 10/24. 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.
Mon 11/2412:45 pmSAN - BCN
2 stops59h 50mAir Canada
Tue 12/21:35 pmBCN - SAN
2 stops55h 28mAir Canada
Deal found 10/24![Air Canada logo]()
$569
This Booking.com deal was found by Cheapflights users on 10/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/266:20 amSAN - BCN
1 stop18h 40mBritish Airways
Tue 11/1111:20 amBCN - SAN
1 stop37h 50mBritish Airways
Deal found 10/24![British Airways logo]()
$581
This KAYAK deal was found by Cheapflights users on 10/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/277:00 amSAN - BCN
2 stops42h 10mAustrian Airlines
Sat 11/229:55 amBCN - SAN
2 stops43h 38mAustrian Airlines
Deal found 10/24![Austrian Airlines logo]()
$582
This United Airlines deal was found by Cheapflights users on 10/24. 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 10/308:30 amSAN - BCN
1 stop15h 50mUnited Airlines
Sat 11/2210:30 amBCN - SAN
1 stop19h 03mUnited Airlines
Deal found 10/24![United Airlines logo]()
$584
This KAYAK deal was found by Cheapflights users on 10/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:35 pmSAN - BCN
1 stop20h 30mLufthansa
Sun 11/167:40 amBCN - SAN
1 stop17h 05mLufthansa
Deal found 10/24![Lufthansa logo]()
$585
This United Airlines deal was found by Cheapflights users on 10/25. 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 12/97:00 amSAN - BCN
2 stops16h 20mUnited Airlines
Mon 12/2211:00 amBCN - SAN
2 stops20h 32mUnited Airlines
Deal found 10/25![United Airlines logo]()
$588
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 October 26, 2025.
Round-trip from | $536 (Booking.com) |
|---|---|
One-way from | $312 (Kiwi.com) |
Popular in | December |
Cheapest in | November |
Average price | $732 |
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 October 26, 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
Tue 3/10
9:00 am-8:20 am
2 stops15h 20m
Barcelona-El Prat
Fri 3/20
9:10 am-4:45 pm
1 stop15h 35m
$574
San DiegoBarcelona
SAN - BCN
SANBCN
San Diego
Sat 3/7
6:55 pm-8:20 am
2 stops28h 25m
Barcelona-El Prat
Sat 3/21
6:50 am-7:48 pm
2 stops20h 58m
$578
San DiegoBarcelona
SAN - BCN
SANBCN
San Diego
Thu 12/11
7:00 am-8:20 am
2 stops16h 20m
Barcelona-El Prat
Mon 12/22
1:45 pm-11:30 am
2 stops30h 45m
$602
San DiegoBarcelona
SAN - BCN
SANBCN
San Diego
Tue 12/9
10:47 am-7:55 pm
2 stops24h 08m
Barcelona-El Prat
Mon 12/22
12:30 pm-11:59 pm
2 stops20h 29m
$609
San DiegoBarcelona
SAN - BCN
SANBCN
San Diego
Thu 12/11
7:21 am-9:00 am
2 stops16h 39m
Barcelona-El Prat
Mon 12/22
12:30 pm-9:56 pm
2 stops18h 26m
$625
San DiegoBarcelona
SAN - BCN
SANBCN
San Diego
Wed 11/19
7:00 am-2:15 pm
2 stops22h 15m
Barcelona-El Prat
Sun 11/23
6:50 am-9:12 pm
2 stops23h 22m
$645
San DiegoBarcelona
SAN - BCN
SANBCN
San Diego
Mon 11/24
9:30 am-9:00 am
1 stop14h 30m
Barcelona-El Prat
Tue 12/2
12:30 pm-9:41 pm
1 stop18h 11m
$664
San DiegoBarcelona
SAN - BCN
SANBCN
San Diego
Fri 1/2
9:23 am-9:00 am
1 stop14h 37m
Barcelona-El Prat
Sat 1/10
12:30 pm-10:58 pm
1 stop19h 28m
$672
San DiegoBarcelona
SAN - BCN
SANBCN
San Diego
Sun 11/30
9:10 pm-1:10 pm
2 stops31h 00m
Barcelona-El Prat
Sun 12/21
10:30 am-9:44 am
2 stops32h 14m
$673
San DiegoBarcelona
SAN - BCN
SANBCN
San Diego
Sat 12/6
9:15 am-11:55 am
1 stop17h 40m
$312
Showing 1-10 of 17 results
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 October 24, 2025.
Booking 38 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, November is the cheapest month in which you can book a flight from San Diego to Barcelona (average of $492). 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 October 26, 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 October 26, 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.
Entertainment
7.1
Overall
7.4
Food
6.6
Comfort
7.3
Boarding
7.7
Crew
8.1
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Entertainment
7.1
Overall
7.4
Food
6.6
Comfort
7.3
Boarding
7.7
Crew
8.1
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Entertainment
7.1
Overall
7.4
Food
6.6
Comfort
7.3
Boarding
7.7
Crew
8.1
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Entertainment
7.1
Overall
7.4
Food
6.6
Comfort
7.3
Boarding
7.7
Crew
8.1
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Entertainment
7.1
Overall
7.4
Food
6.6
Comfort
7.3
Boarding
7.7
Crew
8.1
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Entertainment
7.1
Overall
7.4
Food
6.6
Comfort
7.3
Boarding
7.7
Crew
8.1
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. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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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.
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 October 26, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$513 | Average$789 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$562 | Average$872 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$568 | Average$803 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$573 | Average$934 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$576 | Average$897 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$580 | Average$854 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$631 | Average$894 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$634 | Average$897 | FlexibilityNo cancel fee | On-time71% |