HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Buenos Aires

$441+ 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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BUE
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Louisville to Buenos Aires with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Louisville to Buenos Aires

Cheapest flights from Louisville to Buenos Aires
Explore the most affordable flight options available from Louisville to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/272:00 pmSDF - EZE
2 stops39h 20mUnited Airlines
Fri 2/2711:55 pmEZE - SDF
1 stop17h 16mUnited Airlines
Deal found 10/29$1,127
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/272:00 pmSDF - EZE
2 stops39h 20mUnited Airlines
Sat 2/2811:55 pmEZE - SDF
2 stops48h 18mUnited Airlines
Deal found 10/29$1,145
This Expedia deal was found by Cheapflights users on 10/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:51 pmSDF - EZE
2 stops36h 44mLATAM Airlines
Thu 2/264:05 amEZE - SDF
2 stops21h 51mLATAM Airlines
Deal found 10/29$1,147
This LATAM Airlines deal was found by Cheapflights users on 10/29. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/274:44 pmSDF - EZE
1 stop14h 16mDelta
Fri 2/278:55 pmEZE - SDF
1 stop18h 55mDelta
Deal found 10/29$1,156
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:05 amSDF - EZE
3 stops27h 15mMultiple Airlines
Thu 2/262:30 amEZE - SDF
3 stops47h 15mMultiple Airlines
Deal found 10/29$1,164
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/13:09 pmSDF - EZE
2 stops17h 06mDelta
Tue 12/168:00 amEZE - SDF
2 stops17h 59mDelta
Deal found 10/27$1,170
This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/277:00 amSDF - EZE
1 stop23h 30mAmerican Airlines
Sat 2/2810:10 amEZE - SDF
1 stop15h 49mAmerican Airlines
Deal found 10/29$1,171
This Orbitz deal was found by Cheapflights users on 10/29. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:51 pmSDF - EZE
2 stops33h 29mLATAM Airlines
Thu 2/264:05 amEZE - SDF
2 stops21h 51mLATAM Airlines
Deal found 10/29$1,193
This Travelocity deal was found by Cheapflights users on 10/29. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:51 pmSDF - EZE
2 stops36h 44mLATAM Airlines
Fri 2/272:30 amEZE - SDF
2 stops35h 07mLATAM Airlines
Deal found 10/29$1,222
This LATAM Airlines deal was found by Cheapflights users on 10/27. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/3012:57 pmSDF - EZE
1 stop16h 23mDelta
Fri 12/128:55 pmEZE - SDF
1 stop22h 20mDelta
Deal found 10/27$1,256

Cheap 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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$987
(Mytrip)

One-way from

$441
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,692
Provider with most accurate pricing for Louisville Intl-Buenos Aires (BUE) flight deals.
Search Deals
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. 14% potential increase in price ($223 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($99 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 29, 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

Fri 1/2

5:05 am-2:55 pm

2 stops31h 50m

Buenos Aires Ministro Pistarini

Fri 1/30

8:00 am-9:54 am

3 stops27h 54m

$987

LouisvilleBuenos Aires

SDF - EZE

SDFEZE

Louisville Intl

Fri 1/2

5:05 am-6:55 am

3 stops47h 50m

Buenos Aires Ministro Pistarini

Thu 2/26

2:30 am-11:45 pm

3 stops47h 15m

$995

LouisvilleBuenos Aires

SDF - EZE

SDFEZE

Louisville Intl

Mon 2/23

5:45 pm-9:00 am

1 stop13h 15m

Buenos Aires Ministro Pistarini

Tue 3/3

8:55 pm-4:52 pm

1 stop21h 57m

$1,026

LouisvilleBuenos Aires

SDF - EZE

SDFEZE

Louisville Intl

Mon 2/23

5:45 pm-9:00 am

1 stop13h 15m

Buenos Aires Ministro Pistarini

Wed 3/4

8:00 am-9:34 am

2 stops27h 34m

$1,026

LouisvilleBuenos Aires

SDF - EZE

SDFEZE

Louisville Intl

Sun 3/8

11:14 am-3:05 am

3 stops38h 51m

$441

LouisvilleBuenos Aires

SDF - EZE

SDFEZE

Louisville Intl

Sun 3/8

12:40 pm-9:00 am

1 stop19h 20m

$738

LouisvilleBuenos Aires

SDF - EZE

SDFEZE

Louisville Intl

Sat 12/20

12:21 pm-9:35 am

2 stops19h 14m

$788

LouisvilleBuenos Aires

SDF - EZE

SDFEZE

Louisville Intl

Sat 12/20

10:14 am-7:20 am

1 stop19h 06m

$1,228

LouisvilleBuenos Aires

SDF - EZE

SDFEZE

Louisville Intl

Sat 12/20

6:01 am-7:30 am

1 stop23h 29m

$1,308

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

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 October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice 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-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 October 29, 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.

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 October 29, 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
7,992 reviews

Food

7.3

Crew

8.5

Overall

7.9

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,992 reviews
Delta
7.9
Good
7,992 reviews

Food

7.3

Crew

8.5

Overall

7.9

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 13h 15m. Fly via Delta 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 $1,033, 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 23% 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,033Average$1,215FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.