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

$292+ Cheap flights from Louisville (SDF) 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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BCN
Apr 3 — Apr 101
Fri 4/3
Fri 4/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Louisville 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 Louisville to Barcelona-El Prat

Cheapest flights from Louisville to Barcelona-El Prat
Explore the most affordable flight options available from Louisville to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 4, 2026.

This oojo deal was found by Cheapflights users on 3/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/17:20 pm
SDF
-
BCN
1 stop33h 15m
British Airways
Wed 9/3010:30 am
BCN
-
SDF
1 stop12h 39m
British Airways
Deal found 3/2$554
This Expedia deal was found by Cheapflights users on 3/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:14 pm
SDF
-
BCN
1 stop33h 21m
Iberia
Tue 10/201:35 pm
BCN
-
SDF
2 stops39h 20m
Iberia
Deal found 3/3$581
This Finnair deal was found by Cheapflights users on 3/1. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:07 pm
SDF
-
BCN
2 stops18h 58m
Finnair
Mon 10/59:10 pm
BCN
-
SDF
2 stops31h 45m
Finnair
Deal found 3/1$589
This oojo deal was found by Cheapflights users on 3/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/275:56 pm
SDF
-
BCN
2 stops20h 24m
British Airways
Mon 10/59:20 pm
BCN
-
SDF
2 stops24h 38m
British Airways
Deal found 3/3$599
This oojo deal was found by Cheapflights users on 3/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:07 am
SDF
-
BCN
1 stop19h 28m
British Airways
Tue 4/2110:45 am
BCN
-
SDF
1 stop16h 56m
British Airways
Deal found 3/3$601
This American Airlines deal was found by Cheapflights users on 3/3. 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.
Tue 4/144:35 pm
SDF
-
BCN
2 stops14h 40m
American Airlines
Tue 4/2112:50 pm
BCN
-
SDF
1 stop15h 41m
American Airlines
Deal found 3/3$602
This American Airlines deal was found by Cheapflights users on 2/28. 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.
Wed 4/224:35 pm
SDF
-
BCN
1 stop13h 35m
American Airlines
Tue 4/2810:30 am
BCN
-
SDF
1 stop19h 18m
American Airlines
Deal found 2/28$606
This Finnair deal was found by Cheapflights users on 3/1. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:46 am
SDF
-
BCN
1 stop24h 14m
Multiple Airlines
Mon 10/59:10 pm
BCN
-
SDF
2 stops31h 45m
Multiple Airlines
Deal found 3/1$608
This FlightHub deal was found by Cheapflights users on 2/28. 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.
Wed 4/227:01 pm
SDF
-
BCN
2 stops17h 34m
British Airways
Tue 4/2810:30 am
BCN
-
SDF
1 stop19h 18m
British Airways
Deal found 2/28$615

Find flight deals from Louisville to Barcelona-El Prat

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) 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 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$554
(oojo)

One-way from

$292
(oojo)

Popular in

June

Cheapest in

November

Average price

$759
Provider with most accurate pricing for Louisville Intl-Barcelona-El Prat flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Barcelona-El Prat flights.
Search Deals
From Louisville Intl to Barcelona-El Prat
Search Deals
One-way flight from Louisville Intl to Barcelona-El Prat
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($375 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($53 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville 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 4, 2026.
Use the filters below to find and compare flights from Louisville to Barcelona-El Prat Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Sat 8/1

7:20 pm-8:05 pm

2 stops18h 45m

Barcelona-El Prat

Wed 9/30

10:05 am-10:58 pm

2 stops18h 53m

$668

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Thu 8/13

2:43 pm-12:20 pm

2 stops15h 37m

Barcelona-El Prat

Wed 8/26

8:50 am-7:36 pm

2 stops16h 46m

$730

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Sun 5/10

6:06 am-1:00 pm

1 stop24h 54m

Barcelona-El Prat

Wed 6/10

10:05 am-10:19 pm

2 stops18h 14m

$782

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Sun 5/10

7:56 pm-1:15 pm

1 stop11h 19m

Barcelona-El Prat

Tue 5/19

3:15 pm-10:30 pm

1 stop13h 15m

$836

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Fri 5/8

12:11 pm-12:20 pm

2 stops18h 09m

Barcelona-El Prat

Mon 5/11

10:45 am-9:41 pm

1 stop16h 56m

$843

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Fri 4/3

1:30 pm-2:45 pm

2 stops19h 15m

Barcelona-El Prat

Sun 4/12

9:20 pm-9:30 pm

2 stops30h 10m

$853

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Sun 5/10

7:15 am-1:15 pm

1 stop24h 00m

Barcelona-El Prat

Wed 6/10

3:15 pm-10:30 pm

1 stop13h 15m

$866

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Sat 5/9

3:36 pm-1:10 pm

2 stops15h 34m

Barcelona-El Prat

Wed 5/20

12:15 pm-11:56 pm

2 stops17h 41m

$884

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Fri 5/8

6:06 am-1:00 pm

1 stop24h 54m

Barcelona-El Prat

Mon 5/11

10:30 am-12:23 am

1 stop19h 53m

$904

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Tue 7/7

9:25 am-12:50 pm

1 stop21h 25m

Barcelona-El Prat

Wed 7/15

11:00 am-8:52 pm

1 stop15h 52m

$916

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Compare providers for flights from Louisville 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 Louisville to Barcelona-El Prat in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
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 Louisville-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 Louisville-Barcelona-El Prat Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Barcelona-El Prat Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-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 Louisville-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 Louisville to Barcelona-El Prat

Have a flexible travel schedule? Discover the best time to fly to Barcelona-El Prat from Louisville 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 Louisville to Barcelona-El Prat Airport

What is the cheapest month to book a flight from Louisville to Barcelona-El Prat Airport?

Currently, February is the cheapest month in which you can book a flight from Louisville to Barcelona-El Prat Airport (average of $430). Flying from Louisville to Barcelona-El Prat Airport in June is currently the most expensive (average of $964). 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.

How much does it cost to fly round-trip from Louisville to Barcelona-El Prat Airport?

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 4, 2026.
Get a feel of what it's like to fly with Delta, KLM, and United Airlines from Louisville to Barcelona-El Prat Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,245 reviews

Entertainment

7.8

Boarding

8.1

Food

7.2

Crew

8.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,245 reviews
Delta
7.9
Good
8,245 reviews

Entertainment

7.8

Boarding

8.1

Food

7.2

Crew

8.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
KLM
7.8
Good
1,463 reviews
Delta
7.9
Good
8,245 reviews

Entertainment

7.8

Boarding

8.1

Food

7.2

Crew

8.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,382 reviews
Delta
7.9
Good
8,245 reviews

Entertainment

7.8

Boarding

8.1

Food

7.2

Crew

8.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,379 reviews
Delta
7.9
Good
8,245 reviews

Entertainment

7.8

Boarding

8.1

Food

7.2

Crew

8.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,774 reviews
Delta
7.9
Good
8,245 reviews

Entertainment

7.8

Boarding

8.1

Food

7.2

Crew

8.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Louisville 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 Louisville to Barcelona-El Prat?

    Louisville Intl (SDF), located 5.3 mi from the city center, is the airport you fly out of when you book flights from Louisville to Barcelona-El Prat. 5 airlines have flights from Louisville Intl to Barcelona-El Prat on a regular basis. Booking flights from Louisville Intl to Barcelona-El Prat should not be difficult; the airport handles an average of 0 outbound flights to Barcelona-El Prat per day.

  • How long is the flight from Louisville to Barcelona-El Prat Airport?

    A quick flight from Louisville to Barcelona-El Prat Airport can take about 11h 19m. Finnair provides one of the quickest options available for as low as $836. There are 4454 mi between Louisville and Barcelona-El Prat Airport. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Louisville to Barcelona-El Prat Airport round-trip?

    Delta, at $433, was found to be the cheapest airline from Louisville to Barcelona-El Prat Airport.Alternate airlines to your destination round-trip include American Airlines and United Airlines. Delta is 51% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

  • How can I find direct flights from Louisville 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 Louisville to Barcelona-El Prat.

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

    Yes. Cheapflights offers flight deals from Louisville 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 Louisville to Barcelona-El Prat Airport?

    Currently, February is the cheapest month in which you can book a flight from Louisville to Barcelona-El Prat Airport (average of $430). Flying from Louisville to Barcelona-El Prat Airport in June is currently the most expensive (average of $964). 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
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

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

Alternative routes for Louisville to Barcelona-El Prat

See prices for flight routes from nearby airports that may be better suited for you.
Nashville to Barcelona-El Prat flights
Cincinnati to Barcelona-El Prat flights
Knoxville to Barcelona-El Prat flights

Top 5 airlines flying from Louisville to Barcelona-El Prat

Discover the top 5 airlines that operate flights from Louisville 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 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$433Average$872FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$483Average$967FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$496Average$876FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$531Average$642FlexibilityNo cancel feeOn-time70%
KLMCheapest$692Average$1,707FlexibilityNo cancel feeOn-time75%

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.