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Barcelona-El Prat

$529+ 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 6/18. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BCN
May 30 — Jun 61
Sat 5/30
Sat 6/6
1 adult, Economy
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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 April 30, 2026.

This oojo deal was found by Cheapflights users on 4/27. 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 9/207:00 am
SDF
-
BCN
1 stop21h 10m
British Airways
Tue 9/2910:45 am
BCN
-
SDF
1 stop18h 21m
British Airways
Deal found 4/27$748
This United Airlines deal was found by Cheapflights users on 4/26. 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 9/236:00 am
SDF
-
BCN
2 stops20h 00m
United Airlines
Tue 9/2912:15 pm
BCN
-
SDF
2 stops32h 22m
United Airlines
Deal found 4/26$753
This American Airlines deal was found by Cheapflights users on 4/26. 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 9/234:50 pm
SDF
-
BCN
2 stops13h 20m
American Airlines
Tue 9/2912:20 pm
BCN
-
SDF
1 stop17h 38m
American Airlines
Deal found 4/26$758
This British Airways deal was found by Cheapflights users on 4/28. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/33:38 pm
SDF
-
BCN
2 stops17h 07m
British Airways
Tue 11/101:35 pm
BCN
-
SDF
2 stops15h 24m
British Airways
Deal found 4/28$762
This Finnair deal was found by Cheapflights users on 4/29. 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.
Wed 10/76:45 am
SDF
-
BCN
1 stop24h 15m
Multiple Airlines
Fri 10/3010:40 am
BCN
-
SDF
1 stop17h 26m
Multiple Airlines
Deal found 4/29$763
This Finnair deal was found by Cheapflights users on 4/29. 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.
Wed 10/77:14 pm
SDF
-
BCN
2 stops21h 36m
Finnair
Fri 10/3010:40 am
BCN
-
SDF
1 stop17h 26m
Finnair
Deal found 4/29$767
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:32 pm
SDF
-
BCN
1 stop11h 38m
United Airlines
Tue 11/103:05 pm
BCN
-
SDF
1 stop13h 04m
United Airlines
Deal found 4/28$769
This Expedia deal was found by Cheapflights users on 4/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:52 am
SDF
-
BCN
1 stop21h 43m
British Airways
Wed 9/3010:45 am
BCN
-
SDF
2 stops16h 54m
British Airways
Deal found 4/28$770
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:32 pm
SDF
-
BCN
2 stops22h 33m
Lufthansa
Fri 10/305:50 am
BCN
-
SDF
2 stops18h 19m
Lufthansa
Deal found 4/30$771
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:32 pm
SDF
-
BCN
1 stop11h 38m
United Airlines
Thu 11/129:55 am
BCN
-
SDF
2 stops20h 10m
United Airlines
Deal found 4/28$773

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 April 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$748
(oojo)

One-way from

$529
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,078
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. 28% potential increase in price ($347 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 30, 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

Cheapest round-trip

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Sat 8/1

7:55 pm-8:20 am

2 stops30h 25m

Barcelona-El Prat

Wed 9/30

12:00 pm-11:15 pm

1 stop17h 15m

$774

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Wed 10/14

6:13 pm-2:15 pm

2 stops14h 02m

Barcelona-El Prat

Sat 10/24

9:15 am-10:55 pm

2 stops19h 40m

$812

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Sat 10/24

1:18 pm-9:50 am

1 stop14h 32m

Barcelona-El Prat

Sat 10/31

6:10 pm-4:58 pm

1 stop27h 48m

$896

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Tue 7/28

1:02 pm-12:50 pm

1 stop17h 48m

Barcelona-El Prat

Wed 8/5

3:15 pm-12:09 pm

1 stop26h 54m

$912

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Sun 5/10

3:44 pm-1:15 pm

1 stop15h 31m

Barcelona-El Prat

Wed 6/10

12:15 pm-2:37 pm

2 stops32h 22m

$988

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Tue 5/26

6:00 am-8:20 am

1 stop20h 20m

Barcelona-El Prat

Wed 6/3

12:15 pm-2:37 pm

2 stops32h 22m

$1,066

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Mon 6/1

1:05 pm-9:00 am

1 stop13h 55m

Barcelona-El Prat

Tue 6/9

1:15 pm-4:49 pm

2 stops33h 34m

$1,071

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Mon 6/1

1:00 pm-12:50 pm

1 stop17h 50m

Barcelona-El Prat

Tue 6/9

11:00 am-9:19 pm

1 stop16h 19m

$1,086

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Tue 5/26

1:15 pm-8:35 am

1 stop13h 20m

Barcelona-El Prat

Wed 6/3

11:00 am-9:51 pm

1 stop16h 51m

$1,086

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Mon 7/6

12:46 pm-8:35 am

1 stop13h 49m

Barcelona-El Prat

Mon 7/13

3:15 pm-12:09 pm

1 stop26h 54m

$1,174

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 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, November is the cheapest month in which you can book a flight from Louisville to Barcelona-El Prat Airport (average of $549). Flying from Louisville to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,423). 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 April 30, 2026.
Get a feel of what it's like to fly with Delta,KLM, andUnited 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
8,465 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Food

7.2

Boarding

8.1

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
8,465 reviews
Delta
7.9
Good
8,465 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Food

7.2

Boarding

8.1

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
1,512 reviews
Delta
7.9
Good
8,465 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Food

7.2

Boarding

8.1

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
9,677 reviews
Delta
7.9
Good
8,465 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Food

7.2

Boarding

8.1

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
11,682 reviews
Delta
7.9
Good
8,465 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Food

7.2

Boarding

8.1

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
7,937 reviews
Delta
7.9
Good
8,465 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Food

7.2

Boarding

8.1

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 14h 02m. United Airlines provides one of the quickest options available for as low as $812. 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?

    United Airlines, at $483, 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 Delta. United Airlines is 45% 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, November is the cheapest month in which you can book a flight from Louisville to Barcelona-El Prat Airport (average of $549). Flying from Louisville to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,423). 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

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Alternative routes for Louisville to Barcelona-El Prat

See prices for flight routes from nearby airports that may be better suited for you.
Cincinnati to Barcelona-El Prat flights
Nashville 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 April 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$483Average$882FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$483Average$932FlexibilityNo cancel feeOn-time71%
DeltaCheapest$530Average$1,155FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$531Average$649FlexibilityNo cancel feeOn-time70%
KLMCheapest$692Average$1,707FlexibilityNo cancel feeOn-time75%

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