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Barcelona-El Prat

$409+ 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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BCN
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:15 am
SDF
-
BCN
1 stop20h 45m
United Airlines
Tue 3/1710:30 am
BCN
-
SDF
1 stop14h 12m
United Airlines
Deal found 1/27$478
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/111:47 pm
SDF
-
BCN
2 stops19h 58m
Lufthansa
Wed 3/186:50 am
BCN
-
SDF
2 stops18h 24m
Lufthansa
Deal found 1/27$479
This oojo deal was found by Cheapflights users on 1/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/111:30 pm
SDF
-
BCN
2 stops16h 40m
British Airways
Wed 3/186:40 am
BCN
-
SDF
2 stops21h 00m
British Airways
Deal found 1/29$485
This Mytrip deal was found by Cheapflights users on 1/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/41:30 pm
SDF
-
BCN
2 stops18h 10m
British Airways
Sun 3/89:35 am
BCN
-
SDF
1 stop18h 03m
British Airways
Deal found 1/28$508
This oojo deal was found by Cheapflights users on 1/27. 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.
Mon 3/237:57 pm
SDF
-
BCN
2 stops18h 48m
British Airways
Mon 3/309:20 pm
BCN
-
SDF
2 stops30h 06m
British Airways
Deal found 1/27$533
This oojo deal was found by Cheapflights users on 1/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/237:57 pm
SDF
-
BCN
2 stops18h 48m
British Airways
Tue 3/316:35 pm
BCN
-
SDF
2 stops32h 51m
British Airways
Deal found 1/28$535
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Wed 3/49:50 am
SDF
-
BCN
1 stop16h 30m
United Airlines
Sun 3/810:30 am
BCN
-
SDF
1 stop14h 12m
United Airlines
Deal found 1/28$537
This Delta deal was found by Cheapflights users on 1/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/17:05 am
SDF
-
BCN
2 stops18h 55m
Delta
Tue 3/179:30 am
BCN
-
SDF
2 stops29h 40m
Delta
Deal found 1/27$540
This oojo deal was found by Cheapflights users on 1/27. 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.
Sat 8/17:20 pm
SDF
-
BCN
1 stop33h 15m
British Airways
Wed 9/3010:45 am
BCN
-
SDF
1 stop16h 51m
British Airways
Deal found 1/27$561

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$478
(United Airlines)

One-way from

$409
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$573
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 ($377 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 29, 2026.
Use the filters below to find and compare flights from Louisville to Barcelona-El Prat Airport that are best for you.

Fly from

Louisville

Fly to

Barcelona-El Prat

Route

Depart

Return

Price

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Sun 3/1

6:15 am-9:00 am

1 stop20h 45m

Barcelona-El Prat

Tue 3/17

10:30 am-7:42 pm

1 stop14h 12m

$478

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Wed 3/11

1:30 pm-11:10 am

2 stops16h 40m

Barcelona-El Prat

Wed 3/18

6:40 am-10:40 pm

2 stops21h 00m

$485

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Wed 3/4

9:50 am-8:20 am

1 stop16h 30m

Barcelona-El Prat

Sun 3/8

10:30 am-7:42 pm

1 stop14h 12m

$537

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Sun 3/1

7:05 am-8:00 am

2 stops18h 55m

Barcelona-El Prat

Tue 3/17

9:30 am-10:10 am

2 stops29h 40m

$540

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Mon 3/23

6:00 am-7:50 am

1 stop20h 50m

Barcelona-El Prat

Mon 3/30

9:20 pm-9:26 pm

2 stops30h 06m

$592

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Wed 3/11

11:23 am-8:00 am

1 stop15h 37m

Barcelona-El Prat

Wed 3/18

10:20 am-11:59 pm

1 stop18h 39m

$644

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Fri 5/8

7:05 pm-10:30 pm

2 stops21h 25m

Barcelona-El Prat

Mon 5/11

9:20 pm-4:23 pm

2 stops25h 03m

$645

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Mon 2/16

6:10 am-11:20 am

2 stops23h 10m

Barcelona-El Prat

Sun 2/22

6:40 am-11:16 pm

2 stops22h 36m

$683

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Fri 5/8

11:00 am-12:50 pm

1 stop19h 50m

Barcelona-El Prat

Mon 5/11

11:35 am-7:01 pm

1 stop13h 26m

$733

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Sat 5/9

7:20 pm-6:15 pm

2 stops16h 55m

Barcelona-El Prat

Tue 6/9

11:15 am-7:34 pm

1 stop14h 19m

$812

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 17 results
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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 $432). Flying from Louisville to Barcelona-El Prat Airport in June is currently the most expensive (average of $969). 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.

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 January 29, 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
8,127 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.2

Comfort

7.9

Entertainment

7.8

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
8,127 reviews
Delta
7.9
Good
8,127 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.2

Comfort

7.9

Entertainment

7.8

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
7.7
Good
1,443 reviews
Delta
7.9
Good
8,127 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.2

Comfort

7.9

Entertainment

7.8

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
9,215 reviews
Delta
7.9
Good
8,127 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.2

Comfort

7.9

Entertainment

7.8

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
7.2
Good
11,206 reviews
Delta
7.9
Good
8,127 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.2

Comfort

7.9

Entertainment

7.8

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
7,705 reviews
Delta
7.9
Good
8,127 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.2

Comfort

7.9

Entertainment

7.8

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 16h 40m. United Airlines provides one of the quickest options available for as low as $485. 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 British Airways. 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 $432). Flying from Louisville to Barcelona-El Prat Airport in June is currently the most expensive (average of $969). 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
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
Lexington to Barcelona-El Prat flights
Blountville 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$433Average$968FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$483Average$1,087FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$531Average$661FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$583Average$827FlexibilityNo cancel feeOn-time69%
KLMCheapest$590Average$1,707FlexibilityNo cancel feeOn-time75%

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