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Barcelona-El Prat

$726+ Cheap flights from San Luis Obispo (SBP) 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 6/18. Fares are subject to change and may not be available on all flights or dates of travel.
SBP — BCN
Apr 12 — Apr 191
Sun 4/12
Sun 4/19
1 adult, Economy
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Cheap flight deals from San Luis Obispo to Barcelona-El Prat

Cheapest flights from San Luis Obispo to Barcelona-El Prat
Explore the most affordable flight options available from San Luis Obispo to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 13, 2026.

This Finnair deal was found by Cheapflights users on 3/9. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:06 am
SBP
-
BCN
2 stops21h 04m
Multiple Airlines
Thu 4/306:30 pm
BCN
-
SBP
2 stops36h 40m
Multiple Airlines
Deal found 3/9$823
This United Airlines deal was found by Cheapflights users on 3/10. 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 4/236:05 am
SBP
-
BCN
2 stops40h 55m
United Airlines
Tue 4/2812:15 pm
BCN
-
SBP
2 stops44h 29m
United Airlines
Deal found 3/10$839
This United Airlines deal was found by Cheapflights users on 3/9. 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 12/22:12 pm
SBP
-
BCN
2 stops59h 53m
United Airlines
Sun 12/610:30 am
BCN
-
SBP
3 stops64h 26m
United Airlines
Deal found 3/9$929
This American Airlines deal was found by Cheapflights users on 3/10. 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 4/2312:55 pm
SBP
-
BCN
2 stops19h 25m
American Airlines
Tue 4/2810:45 am
BCN
-
SBP
1 stop34h 25m
American Airlines
Deal found 3/10$947
This United Airlines deal was found by Cheapflights users on 3/8. 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 5/92:15 pm
SBP
-
BCN
2 stops33h 05m
United Airlines
Mon 6/11:25 pm
BCN
-
SBP
2 stops40h 25m
United Airlines
Deal found 3/8$980
This American Airlines deal was found by Cheapflights users on 3/13. 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.
Fri 4/36:00 am
SBP
-
BCN
2 stops19h 10m
American Airlines
Tue 4/76:30 pm
BCN
-
SBP
2 stops26h 40m
American Airlines
Deal found 3/13$1,028
This American Airlines deal was found by Cheapflights users on 3/9. 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 4/2312:55 pm
SBP
-
BCN
1 stop33h 40m
Multiple Airlines
Tue 4/2810:05 am
BCN
-
SBP
2 stops21h 13m
Multiple Airlines
Deal found 3/9$1,087

Find flight deals from San Luis Obispo to Barcelona-El Prat

Discover tips and strategies to find the most affordable flight options for your journey from San Luis Obispo (SBP) 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 March 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$823
(Finnair)

One-way from

$726
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$478
Provider with most accurate pricing for San Luis Obispo County-Barcelona-El Prat flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Luis Obispo County-Barcelona-El Prat flights.
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From San Luis Obispo County to Barcelona-El Prat
Search Deals
One-way flight from San Luis Obispo County to Barcelona-El Prat
Search Deals
Highest demand for flights based on searches. 32% potential increase in price ($457 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 14% potential price decrease ($121 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from San Luis Obispo 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 March 13, 2026.
Use the filters below to find and compare flights from San Luis Obispo to Barcelona-El Prat Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San Luis ObispoBarcelona

SBP - BCN

SBPBCN

San Luis Obispo County

Thu 4/23

6:05 am-8:00 am

2 stops40h 55m

Barcelona-El Prat

Tue 4/28

12:15 pm-11:44 pm

2 stops44h 29m

$839

San Luis ObispoBarcelona

SBP - BCN

SBPBCN

San Luis Obispo County

Sat 5/9

2:15 pm-8:20 am

2 stops33h 05m

Barcelona-El Prat

Mon 6/1

1:25 pm-8:50 pm

2 stops40h 25m

$980
Quickest round-trip

San Luis ObispoBarcelona

SBP - BCN

SBPBCN

San Luis Obispo County

Fri 4/3

6:00 am-10:10 am

2 stops19h 10m

Barcelona-El Prat

Tue 4/7

6:30 pm-12:10 pm

2 stops26h 40m

$1,028

San Luis ObispoBarcelona

SBP - BCN

SBPBCN

San Luis Obispo County

Thu 7/16

6:25 am-2:20 pm

1 stop22h 55m

Barcelona-El Prat

Sat 8/15

12:15 pm-7:47 pm

2 stops40h 32m

$1,125
Cheapest one-way
Quickest one-way

San Luis ObispoBarcelona

SBP - BCN

SBPBCN

San Luis Obispo County

Thu 6/18

6:05 pm-12:45 am

3 stops45h 40m

$726

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Sorted by cheapest first

Compare providers for flights from San Luis Obispo 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 Luis Obispo to Barcelona-El Prat in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Luis Obispo-Barcelona-El Prat Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Luis Obispo-Barcelona-El Prat Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Luis Obispo-Barcelona-El Prat Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Luis Obispo-Barcelona-El Prat Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 Luis Obispo-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 Luis Obispo to Barcelona-El Prat

Have a flexible travel schedule? Discover the best time to fly to Barcelona-El Prat from San Luis Obispo 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.

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 March 13, 2026.
Peruse reviews from past customers who have flown with United Airlines from San Luis Obispo to Barcelona-El Prat Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,418 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
9,418 reviews
United Airlines
7.4
Good
9,418 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from San Luis Obispo 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.

  • What airport do you fly from for flights from San Luis Obispo to Barcelona-El Prat?

    Located just 3.3 mi from the city center, San Luis Obispo County is the airport most travelers will use when flying to Barcelona-El Prat from San Luis Obispo. Booking flights from County (SBP) to Barcelona-El Prat should be relatively easy as there are 0 daily outbound flights to Barcelona-El Prat from 1 airline.

  • How long is the flight from San Luis Obispo to Barcelona-El Prat Airport?

    There are many flights that can get you from San Luis Obispo to Barcelona-El Prat Airport in 19h 10m. Fly via United Airlines or American Airlines to get the fastest option. San Luis Obispo and Barcelona-El Prat Airport are separated by a distance of 6020 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from San Luis Obispo to Barcelona-El Prat Airport round-trip?

    Our cheapest airline available from San Luis Obispo to Barcelona-El Prat Airport is United Airlines. Our recent data shows that you can find tickets from as low as $606 on this airline. Users have found that United Airlines is 35% cheaper than the other options available to this destination.

  • Can I find deals for flights from San Luis Obispo to Barcelona-El Prat that include hotel bookings?

    Yes. In addition to deals on San Luis Obispo to Barcelona-El Prat flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Luis Obispo to Barcelona-El Prat?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Luis Obispo to Barcelona-El Prat.

  • Can I find deals for business class flights from San Luis Obispo to Barcelona-El Prat?

    Yes. Cheapflights offers flight deals from San Luis Obispo to Barcelona-El Prat by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Barcelona-El Prat Airport?

Book flights to Barcelona-El Prat Airport if you plan to visit one of these locations
Roses
Calella
L'Hospitalet de Llobregat
Cadaques
El Prat de Llobregat
Badalona
Pineda de Mar

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from San Luis Obispo to Barcelona-El Prat

Discover the top airline that operate flights from San Luis Obispo 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 March 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$606Average$884FlexibilityNo cancel feeOn-time69%

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