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$443+ Cheap flights from Louisville (SDF) to Barcelona

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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BCN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Louisville to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Barcelona (S37). 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 June 12, 2025.

Round-trip from

$588
(United Airlines)

One-way from

$443
(American Airlines)

Popular in

May

Cheapest in

October

Average price

$1,430
From Louisville Intl to Barcelona
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One-way flight from Louisville Intl to Barcelona
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Highest demand for flights based on searches. 23% potential increase in price ($302 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Louisville to Barcelona

Cheapest flights from Louisville to Barcelona
Explore the most affordable flight options available from Louisville to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2010:55 amSDF - BCN
2 stops38h 55mUnited Airlines
Tue 9/3012:00 pmBCN - SDF
1 stop14h 27mUnited Airlines
Deal found 6/10$588
This American Airlines deal was found by Cheapflights users on 6/12. 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 9/101:16 pmSDF - BCN
2 stops13h 49mAmerican Airlines
Tue 10/141:10 pmBCN - SDF
1 stop16h 32mAmerican Airlines
Deal found 6/12$642
This Air Canada deal was found by Cheapflights users on 6/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/209:05 amSDF - BCN
3 stops16h 45mAir Canada
Tue 9/306:50 amBCN - SDF
3 stops19h 43mAir Canada
Deal found 6/10$654
This Finnair deal was found by Cheapflights users on 6/12. 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 10/154:42 pmSDF - BCN
1 stop13h 33mMultiple Airlines
Mon 10/276:35 pmBCN - SDF
2 stops26h 18mMultiple Airlines
Deal found 6/12$662
This Travelocity deal was found by Cheapflights users on 6/10. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/276:44 pmSDF - BCN
1 stop33h 26mBritish Airways
Sat 10/48:00 pmBCN - SDF
2 stops27h 33mBritish Airways
Deal found 6/10$672
This Gurufare deal was found by Cheapflights users on 6/11. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/76:08 pmSDF - BCN
1 stop13h 07mLufthansa
Mon 7/1412:00 pmBCN - SDF
1 stop16h 58mLufthansa
Deal found 6/11$1,151
This Iberia deal was found by Cheapflights users on 6/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/52:50 pmSDF - BCN
1 stop13h 40mIberia
Mon 10/69:10 pmBCN - SDF
2 stops27h 14mIberia
Deal found 6/10$1,230
This KLM deal was found by Cheapflights users on 6/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/243:21 pmSDF - BCN
1 stop11h 59mKLM
Sat 8/211:35 amBCN - SDF
1 stop18h 57mKLM
Deal found 6/11$1,314
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/246:00 amSDF - BCN
2 stops18h 00mDelta
Sat 8/211:35 amBCN - SDF
1 stop18h 57mDelta
Deal found 6/11$1,327

Cheapflights Fare Finder

Customize your flight search to find flights from Louisville to Barcelona 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 June 12, 2025.
Use the filters below to find and compare flights from Louisville to Barcelona that are best for you.

Fly from

Louisville

Fly to

Barcelona

Route

Depart

Return

Price

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Sat 9/20

10:55 am-7:50 am

2 stops38h 55m

Barcelona-El Prat

Tue 9/30

12:00 pm-8:27 pm

1 stop14h 27m

$588

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Wed 10/15

6:34 am-10:30 am

1 stop21h 56m

Barcelona-El Prat

Sat 10/25

10:45 am-6:24 pm

1 stop13h 39m

$632

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Wed 9/10

1:16 pm-9:05 am

2 stops13h 49m

Barcelona-El Prat

Tue 10/14

1:10 pm-11:42 pm

1 stop16h 32m

$642

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Sat 9/20

9:05 am-7:50 am

3 stops16h 45m

Barcelona-El Prat

Tue 9/30

6:50 am-8:33 pm

3 stops19h 43m

$654

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Wed 10/15

4:42 pm-12:15 pm

1 stop13h 33m

Barcelona-El Prat

Mon 10/27

6:35 pm-3:53 pm

2 stops26h 18m

$662

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Mon 7/7

6:08 pm-1:15 pm

1 stop13h 07m

Barcelona-El Prat

Mon 7/14

12:00 pm-10:58 pm

1 stop16h 58m

$1,151

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Sun 10/5

2:50 pm-10:30 am

1 stop13h 40m

Barcelona-El Prat

Mon 10/6

9:10 pm-6:24 pm

2 stops27h 14m

$1,230

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Thu 7/24

8:05 am-9:20 am

1 stop19h 15m

Barcelona-El Prat

Sat 8/2

11:35 am-8:50 am

1 stop27h 15m

$1,242

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Thu 7/24

3:21 pm-9:20 am

1 stop11h 59m

Barcelona-El Prat

Sat 8/2

11:35 am-12:32 am

1 stop18h 57m

$1,314

LouisvilleBarcelona

SDF - BCN

SDFBCN

Louisville Intl

Sun 10/19

11:00 am-6:45 am

2 stops13h 45m

$443

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 16 results
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Best time to book a flight from Louisville to Barcelona

Have a flexible travel schedule? Discover the best time to fly to Barcelona 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

What is the cheapest month to book a flight from Louisville to Barcelona?

Currently, January is the cheapest month in which you can book a flight from Louisville to Barcelona (average of $523). Flying from Louisville to Barcelona in June is currently the most expensive (average of $1,062). 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. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Louisville to Barcelona 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.

Rainfall in Barcelona by month

Plan your trip to Barcelona by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Barcelona ranges from 0.8 - 3.6 inches per month. October is typically the wettest month, when rainfall can reach 3.6 in. July is typically the driest time to visit Barcelona when rainfall is around 0.8 in.

Temperature in Barcelona by month

Plan your trip to Barcelona by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Barcelona, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Barcelona

Get insights into the airlines that provide service to Barcelona. 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. Reviews last updated June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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!
Air Canada
7.1
Good
9,531 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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. 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?

    For a flight from Louisville to Barcelona, you will be flying from Louisville Intl. Louisville Intl (SDF) is just 5.3 mi from the center of the city. Louisville Intl is the only Louisville airport and it handles 0 outbound flights to Barcelona per day. 5 airlines have flights to Barcelona from Louisville Intl on a regular basis.

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

    Our cheapest airline available from Louisville to Barcelona is United Airlines. Our recent data shows that you can find tickets from as low as $588 on this airline. Additional options worth looking into are British Airways and American Airlines, starting at $632 and $642 round-trip. You may be able to fly from Louisville to Barcelona for 41% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $443. British Airways flights start at $448 while deals on Iberia start at $734 one-way.

  • Can I find deals for flights from Louisville to Barcelona that include hotel bookings?

    Yes. In addition to deals on Louisville to Barcelona flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisville to Barcelona?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Barcelona.

  • Can I find deals for business class flights from Louisville to Barcelona?

    Yes. Cheapflights offers flight deals from Louisville to Barcelona 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?

    Currently, January is the cheapest month in which you can book a flight from Louisville to Barcelona (average of $523). Flying from Louisville to Barcelona in June is currently the most expensive (average of $1,062). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Louisville to Barcelona

Discover the top 5 airlines that operate flights from Louisville to Barcelona. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$564Average$850FlexibilityNo cancel feeOn-time70%
KLMCheapest$590Average$874FlexibilityNo cancel feeOn-time75%
DeltaCheapest$593Average$1,171FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$620Average$1,124FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$662Average$1,000FlexibilityNo cancel feeOn-time69%

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