Barcelona-El Prat

$356+ 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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BCN
Apr 9 — Apr 161
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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 March 10, 2026.

This BusinessClass 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/17:16 pm
SDF
-
BCN
1 stop33h 19m
British Airways
Wed 9/3010:45 am
BCN
-
SDF
1 stop14h 54m
British Airways
Deal found 3/9$639
This Priceline deal was found by Cheapflights users on 3/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:07 pm
SDF
-
BCN
1 stop33h 28m
British Airways
Fri 10/1612:20 pm
BCN
-
SDF
1 stop26h 45m
British Airways
Deal found 3/7$642
This oojo deal was found by Cheapflights users on 3/6. 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 9/277:07 pm
SDF
-
BCN
2 stops15h 58m
British Airways
Mon 10/59:20 pm
BCN
-
SDF
2 stops30h 18m
British Airways
Deal found 3/6$648
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:50 pm
SDF
-
BCN
1 stop35h 00m
British Airways
Sat 10/3110:40 am
BCN
-
SDF
1 stop16h 03m
British Airways
Deal found 3/9$654
This Iberia deal was found by Cheapflights users on 3/7. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2111:16 am
SDF
-
BCN
1 stop17h 39m
Iberia
Tue 4/2810:30 am
BCN
-
SDF
1 stop17h 00m
Iberia
Deal found 3/7$655
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.
Wed 10/141:20 pm
SDF
-
BCN
1 stop16h 50m
American Airlines
Sat 10/246:30 pm
BCN
-
SDF
1 stop24h 17m
American Airlines
Deal found 3/9$659

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 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$639
(BusinessClass)

One-way from

$356
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$851
Provider with most accurate pricing for Louisville Intl-Barcelona-El Prat flight deals.
Provider most trusted by Cheapflights users for Louisville Intl-Barcelona-El Prat flights.
From Louisville Intl to Barcelona-El Prat
One-way flight from Louisville Intl to Barcelona-El Prat
Highest demand for flights based on searches. 30% potential increase in price ($388 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($54 potential savings vs. average RT price).
Average for round-trip flights in March 2026

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 10, 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

7:16 pm-10:35 am

1 stop33h 19m

Barcelona-El Prat

Wed 9/30

10:35 am-10:58 pm

2 stops18h 23m

$649

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Tue 4/21

7:01 pm-3:40 pm

2 stops14h 39m

Barcelona-El Prat

Tue 4/28

11:50 am-11:48 pm

2 stops17h 58m

$669

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Sun 8/23

6:11 pm-8:05 pm

2 stops19h 54m

Barcelona-El Prat

Sat 9/5

10:05 am-11:01 pm

2 stops18h 56m

$785
Quickest round-trip

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Mon 4/20

10:00 am-9:00 am

2 stops17h 00m

Barcelona-El Prat

Mon 4/27

3:15 pm-10:30 pm

1 stop13h 15m

$860

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Sun 5/10

5:50 am-8:20 am

1 stop20h 30m

Barcelona-El Prat

Wed 6/10

11:15 am-7:18 pm

1 stop14h 03m

$910

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

$930

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Fri 5/8

12:11 pm-12:10 pm

1 stop17h 59m

Barcelona-El Prat

Mon 5/11

10:05 am-12:23 am

2 stops20h 18m

$947

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Sat 5/23

4:16 pm-12:10 pm

1 stop13h 54m

Barcelona-El Prat

Fri 6/5

10:05 am-10:19 pm

2 stops18h 14m

$1,092

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Tue 5/26

6:56 pm-8:05 pm

2 stops19h 09m

Barcelona-El Prat

Sat 6/6

10:05 am-10:21 pm

2 stops18h 16m

$1,201

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Fri 5/22

6:56 pm-8:05 pm

2 stops19h 09m

Barcelona-El Prat

Fri 6/5

10:05 am-10:19 pm

2 stops18h 14m

$1,220

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 16 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 $955). 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 10, 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.

Comfort

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

Overall

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.

Comfort

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

Overall

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.

Comfort

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

Overall

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.

Comfort

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

Overall

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.

Comfort

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

Overall

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.

Comfort

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

Overall

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 19h 54m. British Airways provides one of the quickest options available for as low as $785. 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 50% 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 $955). 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.

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 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$433Average$968FlexibilityNo 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%

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