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$398+ Cheap flights from Louisville (SDF) to Buenos Aires (BUE)

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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BUE
Jan 12 — Jan 191
Mon 1/12
Mon 1/19
1 adult, Economy
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Cheap flight deals from Louisville to Buenos Aires

Best flights from Louisville to Buenos Aires
Discover carefully curated flight deals from Louisville to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 13, 2025.

This LATAM Airlines deal was found by Cheapflights users on 12/10. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:05 amSDF - EZE
2 stops35h 50mLATAM Airlines
Mon 3/911:55 pmEZE - SDF
1 stop13h 13mLATAM Airlines
Deal found 12/10$981
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Mon 2/22:05 pmSDF - EZE
2 stops17h 15mUnited Airlines
Thu 2/1910:05 pmEZE - SDF
2 stops21h 14mUnited Airlines
Deal found 12/11$1,030
This Delta deal was found by Cheapflights users on 12/11. 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.
Mon 2/237:50 amSDF - EZE
2 stops24h 25mDelta
Wed 3/410:25 pmEZE - SDF
2 stops26h 22mDelta
Deal found 12/11$1,030
This KAYAK deal was found by Cheapflights users on 12/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/235:49 pmSDF - EZE
1 stop13h 11mLATAM Airlines
Wed 3/48:55 pmEZE - SDF
1 stop22h 06mLATAM Airlines
Deal found 12/11$1,018
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Sun 2/155:54 pmSDF - EZE
2 stops35h 26mUnited Airlines
Mon 2/2310:05 pmEZE - SDF
2 stops24h 09mUnited Airlines
Deal found 12/11$1,047
This KAYAK deal was found by Cheapflights users on 12/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2312:11 pmSDF - EZE
1 stop18h 49mLATAM Airlines
Tue 3/38:55 pmEZE - SDF
1 stop22h 06mLATAM Airlines
Deal found 12/11$1,018

Find flight deals from Louisville to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Buenos Aires (BUE). 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 December 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$981
(LATAM Airlines)

One-way from

$398
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$3,015
Provider with most accurate pricing for Louisville Intl-Buenos Aires (BUE) flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Buenos Aires (BUE) flights.
Search Deals
From Louisville Intl to Buenos Aires (BUE)
Search Deals
One-way flight from Louisville Intl to Buenos Aires (BUE)
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($330 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 14% potential price decrease ($178 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Buenos Aires 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 December 13, 2025.
Use the filters below to find and compare flights from Louisville to Buenos Aires that are best for you.

Fly from

Louisville

Fly to

Buenos Aires

Route

Depart

Return

Price

LouisvilleBuenos Aires

SDF - EZE

SDFEZE

Louisville Intl

Thu 3/5

7:05 am-8:55 pm

2 stops35h 50m

Buenos Aires Ministro Pistarini

Mon 3/9

11:55 pm-12:08 pm

1 stop13h 13m

$981

LouisvilleBuenos Aires

SDF - EZE

SDFEZE

Louisville Intl

Mon 2/23

5:49 pm-9:00 am

1 stop13h 11m

Buenos Aires Ministro Pistarini

Wed 3/4

8:55 pm-5:01 pm

1 stop22h 06m

$1,018

LouisvilleBuenos Aires

SDF - EZE

SDFEZE

Louisville Intl

Mon 2/23

12:11 pm-9:00 am

1 stop18h 49m

Buenos Aires Ministro Pistarini

Tue 3/3

8:55 pm-5:01 pm

1 stop22h 06m

$1,018

LouisvilleBuenos Aires

SDF - EZE

SDFEZE

Louisville Intl

Mon 2/2

2:05 pm-9:20 am

2 stops17h 15m

Buenos Aires Ministro Pistarini

Thu 2/19

10:05 pm-5:19 pm

2 stops21h 14m

$1,030

LouisvilleBuenos Aires

SDF - EZE

SDFEZE

Louisville Intl

Mon 2/23

7:50 am-10:15 am

2 stops24h 25m

Buenos Aires Ministro Pistarini

Wed 3/4

10:25 pm-10:47 pm

2 stops26h 22m

$1,030

LouisvilleBuenos Aires

SDF - EZE

SDFEZE

Louisville Intl

Sun 2/15

5:54 pm-7:20 am

2 stops35h 26m

Buenos Aires Ministro Pistarini

Mon 2/23

10:05 pm-8:14 pm

2 stops24h 09m

$1,047

LouisvilleBuenos Aires

SDF - EZE

SDFEZE

Louisville Intl

Tue 1/27

3:36 pm-12:35 am

3 stops30h 59m

$398

LouisvilleBuenos Aires

SDF - EZE

SDFEZE

Louisville Intl

Tue 1/27

3:32 pm-9:00 am

1 stop15h 28m

$768

LouisvilleBuenos Aires

SDF - EZE

SDFEZE

Louisville Intl

Tue 1/27

8:29 am-7:20 am

2 stops20h 51m

$768

LouisvilleBuenos Aires

SDF - EZE

SDFEZE

Louisville Intl

Tue 1/27

7:40 am-8:25 am

1 stop22h 45m

$768

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 12 results
1
2

Compare providers for flights from Louisville to Buenos Aires

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 Buenos Aires in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 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-Buenos Aires flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Louisville-Buenos Aires flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Louisville-Buenos Aires flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Buenos Aires flights, Cheapflights users trust eDreams the most. eDreams 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-Buenos Aires 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 Buenos Aires

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

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

Find hourly flight availability from Louisville to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 13, 2025.

It’s optimal to fly from Louisville to Buenos Aires in the morning. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight at noon.

How much does it cost to fly round-trip from Louisville to Buenos Aires?

Reviews of airlines servicing Buenos Aires

Get insights into the airlines that provide service to Buenos Aires. 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 Buenos Aires. Reviews last updated December 13, 2025.
See what other customers who have flown with Delta from Louisville to Buenos Aires have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,009 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

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
8,009 reviews
Delta
7.9
Good
8,009 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

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 Buenos Aires. 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 Buenos Aires?

    Louisville Intl (SDF) is the airport you will fly out of if you book a flight from Louisville to Buenos Aires. You should not have trouble finding flights to Buenos Aires from Louisville Intl; the airport handles an average of 0 outbound flights to Buenos Aires per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Louisville airport to Buenos Aires. It is only a 5.3 mi journey to Louisville Intl (SDF) from Louisville’s city center.

  • How long is the flight from Louisville to Buenos Aires?

    There are many flights that can get you from Louisville to Buenos Aires in 35h 50m. Fly via LATAM Airlines to get the fastest option. The distance from Louisville to Buenos Aires is about 5332 mi.

  • What is the cheapest airline to fly from Louisville to Buenos Aires round-trip?

    Currently priced at $1,065, Delta will fly you from Louisville to Buenos Aires and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Delta is 24% 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 Buenos Aires that include hotel bookings?

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

  • How can I find direct flights from Louisville to Buenos Aires?

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

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

    Yes. Cheapflights offers flight deals from Louisville to Buenos Aires by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Louisville to Buenos Aires

Discover the top airline that operate flights from Louisville to Buenos Aires. 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 December 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,065Average$1,215FlexibilityNo cancel feeOn-timeN/A

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