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Barcelona-El Prat

$529+ Cheap flights from Louisville (SDF) to Barcelona-El Prat (BCN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BCN
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 July 29, 2025.

Round-trip from

$529
(Booking.com)

Popular in

June

Cheapest in

February

Average price

$1,011
From Louisville Intl to Barcelona-El Prat
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Highest demand for flights based on searches. 26% potential increase in price ($365 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($51 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 29, 2025.

This Booking.com deal was found by Cheapflights users on 7/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/219:05 amSDF - BCN
2 stops18h 15mAir Canada
Tue 10/712:10 pmBCN - SDF
2 stops36h 23mAir Canada
Deal found 7/27$534
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Tue 9/237:36 pmSDF - BCN
1 stop11h 39mUnited Airlines
Tue 9/3012:10 pmBCN - SDF
2 stops40h 20mUnited Airlines
Deal found 7/28$560
This Finnair deal was found by Cheapflights users on 7/28. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/231:44 pmSDF - BCN
1 stop16h 31mMultiple Airlines
Tue 9/306:30 pmBCN - SDF
1 stop24h 33mMultiple Airlines
Deal found 7/28$589
This Orbitz deal was found by Cheapflights users on 7/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1412:21 pmSDF - BCN
1 stop15h 49mBritish Airways
Mon 10/279:00 pmBCN - SDF
2 stops26h 32mBritish Airways
Deal found 7/27$608
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2711:15 amSDF - BCN
2 stops13h 30mAmerican Airlines
Sat 10/42:00 pmBCN - SDF
2 stops15h 15mAmerican Airlines
Deal found 7/27$687
This Booking.com deal was found by Cheapflights users on 7/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:55 pmSDF - BCN
2 stops21h 45mLufthansa
Mon 1/51:45 pmBCN - SDF
2 stops38h 29mLufthansa
Deal found 7/29$716

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 July 29, 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

Wed 11/12

11:00 am-9:35 am

2 stops16h 35m

Barcelona-El Prat

Tue 11/18

1:35 pm-10:29 pm

2 stops38h 54m

$529

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Wed 11/12

9:00 am-1:05 pm

1 stop22h 05m

Barcelona-El Prat

Tue 11/18

10:30 am-2:45 pm

1 stop34h 15m

$536

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Tue 9/23

1:44 pm-12:15 pm

1 stop16h 31m

Barcelona-El Prat

Tue 9/30

6:30 pm-1:03 pm

1 stop24h 33m

$589

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Tue 10/14

12:21 pm-10:10 am

1 stop15h 49m

Barcelona-El Prat

Mon 10/27

9:00 pm-6:32 pm

2 stops26h 32m

$608

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Sat 9/27

11:15 am-6:45 am

2 stops13h 30m

Barcelona-El Prat

Sat 10/4

2:00 pm-11:15 pm

2 stops15h 15m

$687

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Tue 8/12

2:45 pm-6:10 pm

2 stops21h 25m

Barcelona-El Prat

Tue 8/19

10:45 am-11:02 pm

1 stop18h 17m

$708

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Wed 12/24

1:55 pm-5:40 pm

2 stops21h 45m

Barcelona-El Prat

Mon 1/5

1:45 pm-10:14 pm

2 stops38h 29m

$716

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Sun 10/19

1:58 pm-1:15 pm

1 stop17h 17m

$1,817

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Sun 10/19

8:45 am-7:50 am

3 stops17h 05m

$3,802

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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 July 25, 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 $1,056). 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 July 29, 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.

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 July 29, 2025.
Get a feel of what it's like to fly with United Airlines, American Airlines, and Air Canada 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.
United Airlines
7.4
Good
8,896 reviews

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,896 reviews
United Airlines
7.4
Good
8,896 reviews

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,896 reviews

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
9,826 reviews
United Airlines
7.4
Good
8,896 reviews

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Iberia
7.0
Good
2,859 reviews
United Airlines
7.4
Good
8,896 reviews

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.8
Okay
7,265 reviews
United Airlines
7.4
Good
8,896 reviews

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

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

    Air Canada, at $529, was found to be the cheapest airline from Louisville to Barcelona-El Prat Airport.Alternate airlines to your destination round-trip include United Airlines and British Airways. Air Canada is 46% 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, 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 $1,056). 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
Cadaques
L'Hospitalet de Llobregat
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 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$531Average$712FlexibilityNo cancel feeOn-time70%
KLMCheapest$590Average$874FlexibilityNo cancel feeOn-time75%
DeltaCheapest$593Average$1,171FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$612Average$975FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$620Average$1,107FlexibilityNo cancel feeOn-time71%

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