HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Barcelona-El Prat

$592+ Cheap flights from San Luis Obispo (SBP) to Barcelona-El Prat (BCN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
SBP — BCN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Luis Obispo 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 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 September 11, 2025.

Round-trip from

$607
(United Airlines)

Popular in

June

Cheapest in

September

Average price

$719
From San Luis Obispo County to Barcelona-El Prat
Search Deals
Highest demand for flights based on searches. 32% potential increase in price ($506 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 18% potential price decrease ($160 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find 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 September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 9/178:35 amSBP - BCN
2 stops28h 05mUnited Airlines
Tue 9/306:00 amBCN - SBP
2 stops25h 14mUnited Airlines
Deal found 9/10$592
This United Airlines deal was found by Cheapflights users on 9/11. 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 11/95:15 amSBP - BCN
2 stops22h 50mUnited Airlines
Mon 11/1710:30 amBCN - SBP
2 stops19h 38mUnited Airlines
Deal found 9/11$607
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 9/178:35 amSBP - BCN
2 stops28h 05mUnited Airlines
Wed 9/2412:10 pmBCN - SBP
2 stops43h 04mUnited Airlines
Deal found 9/10$805
This Gurufare deal was found by Cheapflights users on 9/11. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/178:35 amSBP - BCN
2 stops21h 55mLufthansa
Tue 9/304:00 pmBCN - SBP
1 stop15h 14mLufthansa
Deal found 9/11$1,033
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/155:05 amSBP - BCN
2 stops31h 35mUnited Airlines
Thu 10/231:15 pmBCN - SBP
2 stops41h 59mUnited Airlines
Deal found 9/11$1,398
This AranGrant deal was found by Cheapflights users on 9/10. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1510:55 amSBP - BCN
1 stop18h 05mLufthansa
Thu 10/234:00 pmBCN - SBP
1 stop15h 14mLufthansa
Deal found 9/10$2,141

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 September 11, 2025.
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

San Luis Obispo

Fly to

Barcelona-El Prat

Route

Depart

Return

Price

San Luis ObispoBarcelona

SBP - BCN

SBPBCN

San Luis Obispo County

Wed 3/4

5:15 am-8:20 am

3 stops18h 05m

Barcelona-El Prat

Sun 3/8

10:30 am-10:45 pm

2 stops21h 15m

$607

San Luis ObispoBarcelona

SBP - BCN

SBPBCN

San Luis Obispo County

Sun 11/9

5:15 am-1:05 pm

2 stops22h 50m

Barcelona-El Prat

Mon 11/17

10:30 am-9:08 pm

2 stops19h 38m

$607

San Luis ObispoBarcelona

SBP - BCN

SBPBCN

San Luis Obispo County

Wed 10/15

5:05 am-9:40 pm

2 stops31h 35m

Barcelona-El Prat

Thu 10/23

1:15 pm-11:43 pm

2 stops43h 28m

$1,398

San Luis ObispoBarcelona

SBP - BCN

SBPBCN

San Luis Obispo County

Wed 10/15

10:55 am-2:00 pm

1 stop18h 05m

Barcelona-El Prat

Thu 10/23

4:00 pm-10:14 pm

1 stop15h 14m

$2,141

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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 September 11, 2025.
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
8,937 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

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
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

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 18h 05m. Fly via United Airlines to get the fastest option. San Luis Obispo and Barcelona-El Prat Airport are separated by a distance of 6020 mi.

  • 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 41% 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.

  • What is the cheapest month to book a flight from San Luis Obispo to Barcelona-El Prat Airport?

    Currently, January is the cheapest month in which you can book a flight from San Luis Obispo to Barcelona-El Prat Airport (average of $523). Flying from San Luis Obispo to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,059). 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

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
Calella
Roses
Castelldefels
L'Hospitalet de Llobregat
Cadaques
El Prat de Llobregat
Badalona
Pineda de Mar
Santa Susanna

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Luis Obispo to Barcelona-El Prat

See prices for flight routes from nearby airports that may be better suited for you.
San Francisco to Barcelona-El Prat flights
Los Angeles to Barcelona-El Prat flights
Ontario to Barcelona-El Prat flights
Santa Ana to Barcelona-El Prat flights
San Jose to Barcelona-El Prat flights
San Diego to Barcelona-El Prat flights
Oakland to Barcelona-El Prat flights
Las Vegas to Barcelona-El Prat flights
Burbank to Barcelona-El Prat flights
Sacramento to Barcelona-El Prat flights
Long Beach to Barcelona-El Prat flights
Palm Springs to Barcelona-El Prat flights
Reno to Barcelona-El Prat flights
Fresno to Barcelona-El Prat flights
Santa Barbara to Barcelona-El Prat flights
Monterey to Barcelona-El Prat flights
San Francisco to Costa Brava flights
Medford to Barcelona-El Prat flights
San Francisco to Reus flights
Los Angeles to Costa Brava flights
Los Angeles to Reus flights
Las Vegas to Costa Brava flights

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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$606Average$884FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.