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Barcelona-El Prat

$443+ 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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BCN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$512
(lol.travel)

One-way from

$443
(American Airlines)

Popular in

June

Cheapest in

October

Average price

$1,040
From Louisville Intl to Barcelona-El Prat
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One-way flight from Louisville Intl to Barcelona-El Prat
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Highest demand for flights based on searches. 25% potential increase in price ($337 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($50 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/266:34 amSDF - BCN
1 stop21h 26mUnited Airlines
Tue 11/113:05 pmBCN - SDF
1 stop28h 12mUnited Airlines
Deal found 9/10$512
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.
Sat 10/117:20 pmSDF - BCN
2 stops30h 30mUnited Airlines
Fri 10/2412:10 pmBCN - SDF
2 stops40h 20mUnited Airlines
Deal found 9/11$530
This United Airlines deal was found by Cheapflights users on 9/8. 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 12/102:05 pmSDF - BCN
1 stop12h 15mUnited Airlines
Tue 12/231:35 pmBCN - SDF
2 stops37h 18mUnited Airlines
Deal found 9/8$545
This American Airlines deal was found by Cheapflights users on 9/8. 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 12/106:00 amSDF - BCN
1 stop19h 05mAmerican Airlines
Tue 12/236:10 pmBCN - SDF
1 stop21h 48mAmerican Airlines
Deal found 9/8$558
This Scandinavian Airlines deal was found by Cheapflights users on 9/9. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/143:09 pmSDF - BCN
2 stops21h 11mScandinavian Airlines
Fri 11/217:10 pmBCN - SDF
2 stops34h 47mScandinavian Airlines
Deal found 9/9$563
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1911:00 amSDF - BCN
2 stops16h 35mMultiple Airlines
Mon 11/245:10 pmBCN - SDF
2 stops30h 06mMultiple Airlines
Deal found 9/10$573
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.
Fri 11/145:57 pmSDF - BCN
1 stop13h 08mUnited Airlines
Fri 11/211:35 pmBCN - SDF
2 stops33h 41mUnited Airlines
Deal found 9/11$580
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/117:26 amSDF - BCN
1 stop19h 39mAmerican Airlines
Fri 10/242:00 pmBCN - SDF
1 stop13h 17mAmerican Airlines
Deal found 9/11$583
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:15 amSDF - BCN
2 stops20h 05mUnited Airlines
Fri 10/3112:35 pmBCN - SDF
2 stops35h 17mUnited Airlines
Deal found 9/9$586

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 September 11, 2025.
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

Sat 10/11

7:20 pm-7:50 am

2 stops30h 30m

Barcelona-El Prat

Fri 10/24

12:10 pm-10:30 pm

2 stops40h 20m

$530

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Wed 9/24

1:00 pm-8:20 am

1 stop13h 20m

Barcelona-El Prat

Wed 10/1

3:15 pm-10:30 pm

1 stop13h 15m

$553

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Tue 9/23

9:55 am-8:20 am

1 stop16h 25m

Barcelona-El Prat

Tue 9/30

3:15 pm-10:30 pm

1 stop13h 15m

$553

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Wed 11/12

11:00 am-9:35 am

2 stops16h 35m

Barcelona-El Prat

Sun 11/16

1:35 pm-8:44 pm

2 stops37h 09m

$580

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Wed 11/19

8:45 am-9:00 am

1 stop18h 15m

Barcelona-El Prat

Mon 11/24

1:35 pm-8:44 pm

2 stops37h 09m

$580

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Fri 11/14

8:45 am-9:35 am

2 stops18h 50m

Barcelona-El Prat

Fri 11/21

1:35 pm-6:52 pm

2 stops35h 17m

$580

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Fri 11/14

5:57 pm-1:05 pm

1 stop13h 08m

Barcelona-El Prat

Fri 11/21

1:35 pm-5:16 pm

2 stops33h 41m

$580

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Wed 11/12

5:57 pm-1:05 pm

1 stop13h 08m

Barcelona-El Prat

Sun 11/16

1:35 pm-5:16 pm

2 stops33h 41m

$580

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Sat 10/11

7:26 am-9:05 am

1 stop19h 39m

Barcelona-El Prat

Fri 10/24

2:00 pm-9:17 pm

1 stop13h 17m

$583

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Sun 2/15

8:02 am-9:00 am

1 stop18h 58m

$443

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 15 results
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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

How far ahead should I book a flight from Louisville to Barcelona-El Prat Airport?

Use this chart to determine the optimal time to book a round-trip flight from Louisville to Barcelona-El Prat. Price data was last updated on August 29, 2025.

The price you pay for your flight from Louisville to Barcelona-El Prat Airport may vary depending on when you book. For the best chance of a lower fare, look to book 82 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Louisville to Barcelona-El Prat Airport (average of $523). Flying from Louisville 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.

What is the cheapest time of day to fly from SDF to BCN?

Find hourly flight availability from Louisville to Barcelona-El Prat. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

A simple way to save on the total cost of your ticket is to fly from Louisville to Barcelona-El Prat Airport in the evening. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight at noon.

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.
Get a feel of what it's like to fly with Delta, United Airlines, and American 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
8.0
Very good
7,960 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
British Airways
6.7
Okay
7,361 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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. 4 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 30h 30m. United Airlines provides one of the quickest options available for as low as $530. There are 4454 mi between Louisville and Barcelona-El Prat Airport.

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

    Delta, at $530, was found to be the cheapest airline from Louisville to Barcelona-El Prat Airport.Alternate airlines to your destination round-trip include British Airways and American Airlines. Delta is 47% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Louisville to Barcelona-El Prat Airport one-way?

    The cheapest airlines for a one-way flight from Louisville to Barcelona-El Prat Airport are American Airlines ($443), Air Canada ($460), and British Airways ($1,014).

  • 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, January is the cheapest month in which you can book a flight from Louisville to Barcelona-El Prat Airport (average of $523). Flying from Louisville 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

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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.
Nashville to Barcelona-El Prat flights
Cincinnati to Barcelona-El Prat flights
Knoxville to Barcelona-El Prat flights
Lexington to Barcelona-El Prat flights
Blountville to Barcelona-El Prat flights

Top 4 airlines flying from Louisville to Barcelona-El Prat

Discover the top 4 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$530Average$1,099FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$531Average$712FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$598Average$1,262FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$612Average$860FlexibilityNo cancel feeOn-time69%

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