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$332+ Cheap flights from Kentucky 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BUE
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Kentucky to Buenos Aires

Cheapest flights from Kentucky to Buenos Aires
Explore the most affordable flight options available from Kentucky to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Avianca Connect deal was found by Cheapflights users on 12/16. 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 Avianca Connect is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:45 amBNA - EZE
2 stops21h 05mMultiple Airlines
Mon 1/261:40 amEZE - BNA
2 stops21h 03mMultiple Airlines
Deal found 12/16$1,166
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/232:56 pmBNA - EZE
1 stop13h 24mUnited Airlines
Tue 1/2711:55 pmEZE - BNA
1 stop17h 03mUnited Airlines
Deal found 12/16$1,171
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/204:56 pmBNA - EZE
2 stops35h 24mUnited Airlines
Mon 1/2611:55 pmEZE - BNA
1 stop17h 03mUnited Airlines
Deal found 12/16$1,175
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/1910:06 amBNA - EZE
1 stop18h 14mUnited Airlines
Mon 12/2910:05 pmEZE - BNA
1 stop14h 20mUnited Airlines
Deal found 12/16$1,216
This LATAM Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/232:40 pmBNA - AEP
2 stops21h 00mLATAM Airlines
Tue 1/276:20 pmAEP - BNA
2 stops19h 26mLATAM Airlines
Deal found 12/16$1,371
This Ovago deal was found by Cheapflights users on 12/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/194:44 pmBNA - EZE
1 stop13h 16mLATAM Airlines
Mon 12/298:55 pmEZE - BNA
1 stop21h 47mLATAM Airlines
Deal found 12/17$1,374
This Copa Airlines deal was found by Cheapflights users on 12/17. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1810:20 amCVG - EZE
2 stops19h 39mCopa Airlines
Wed 12/2412:07 amEZE - CVG
2 stops22h 11mCopa Airlines
Deal found 12/17$1,438
This LATAM Airlines deal was found by Cheapflights users on 12/16. 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 12/202:57 pmBNA - AEP
2 stops16h 33mLATAM Airlines
Mon 1/263:40 pmAEP - BNA
2 stops21h 19mLATAM Airlines
Deal found 12/16$1,446
This LATAM Airlines deal was found by Cheapflights users on 12/16. 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 12/256:06 pmCVG - EZE
2 stops17h 39mMultiple Airlines
Wed 1/711:55 pmEZE - CVG
1 stop15h 25mMultiple Airlines
Deal found 12/16$1,472
This FlightHub deal was found by Cheapflights users on 12/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/234:44 pmSDF - EZE
2 stops23h 59mLATAM Airlines
Wed 1/1411:55 pmEZE - SDF
1 stop35h 33mLATAM Airlines
Deal found 12/16$1,494
This Travelocity deal was found by Cheapflights users on 12/16. 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 12/202:57 pmBNA - EZE
1 stop13h 23mLATAM Airlines
Mon 1/268:55 pmEZE - BNA
1 stop14h 24mLATAM Airlines
Deal found 12/16$1,521
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/233:25 pmSDF - EZE
1 stop15h 55mUnited Airlines
Wed 1/1411:55 pmEZE - SDF
1 stop15h 19mUnited Airlines
Deal found 12/16$1,536

Find flight deals from Kentucky to Buenos Aires

Keep the following information in mind while searching for Kentucky to Buenos Aires flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$867
(Mytrip)

One-way from

$332
(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.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Buenos Aires (BUE) flights.
Search Deals
From Kentucky to Buenos Aires (BUE)
Search Deals
One-way flight from Kentucky 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
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kentucky 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 18, 2025.
Use the filters below to find and compare flights from Kentucky to Buenos Aires that are best for you.

Fly from

Kentucky

Fly to

Buenos Aires

Route

Depart

Return

Price

KnoxvilleBuenos Aires

TYS - EZE

TYSEZE

Knoxville McGhee Tyson

Fri 1/30

6:00 am-10:15 am

2 stops26h 15m

Buenos Aires Ministro Pistarini

Fri 2/6

3:55 pm-11:09 am

2 stops21h 14m

$867

NashvilleBuenos Aires

BNA - EZE

BNAEZE

Nashville Intl

Sun 3/1

6:15 pm-7:20 am

1 stop34h 05m

Buenos Aires Ministro Pistarini

Thu 3/12

9:05 pm-3:51 pm

2 stops20h 46m

$967

NashvilleBuenos Aires

BNA - EZE

BNAEZE

Nashville Intl

Fri 3/6

5:29 pm-9:00 am

1 stop12h 31m

Buenos Aires Ministro Pistarini

Fri 3/13

12:00 pm-8:42 am

2 stops22h 42m

$970

NashvilleBuenos Aires

BNA - EZE

BNAEZE

Nashville Intl

Tue 3/3

10:59 am-9:00 am

1 stop19h 01m

Buenos Aires Ministro Pistarini

Wed 3/18

2:45 pm-8:42 am

2 stops19h 57m

$976

CincinnatiBuenos Aires

CVG - EZE

CVGEZE

Cincinnati Cinci./N. Kentucky

Tue 3/17

8:00 am-6:05 am

2 stops21h 05m

Buenos Aires Ministro Pistarini

Mon 4/6

8:10 pm-8:51 am

1 stop13h 41m

$981

LouisvilleBuenos Aires

SDF - EZE

SDFEZE

Louisville Intl

Thu 3/5

5:49 pm-8:55 pm

2 stops25h 06m

Buenos Aires Ministro Pistarini

Mon 3/9

11:55 pm-12:08 pm

1 stop13h 13m

$981

CincinnatiBuenos Aires

CVG - EZE

CVGEZE

Cincinnati Cinci./N. Kentucky

Thu 3/12

11:00 am-2:55 pm

2 stops26h 55m

Buenos Aires Ministro Pistarini

Thu 3/26

11:55 pm-12:26 pm

1 stop13h 31m

$981

CincinnatiBuenos Aires

CVG - EZE

CVGEZE

Cincinnati Cinci./N. Kentucky

Fri 2/20

5:30 am-5:10 am

3 stops21h 40m

Buenos Aires Ministro Pistarini

Fri 2/27

8:00 am-7:45 pm

1 stop13h 45m

$988

CincinnatiBuenos Aires

CVG - EZE

CVGEZE

Cincinnati Cinci./N. Kentucky

Fri 3/6

11:26 am-10:15 am

1 stop20h 49m

Buenos Aires Ministro Pistarini

Sun 3/15

9:55 pm-11:59 pm

2 stops27h 04m

$989

NashvilleBuenos Aires

BNA - AEP

BNAAEP

Nashville Intl

Sat 1/31

8:40 am-3:40 am

3 stops40h 00m

Buenos Aires Jorge Newbery

Fri 2/6

12:10 am-8:29 pm

3 stops47h 19m

$1,010

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 60 results
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Best time to book a flight from Kentucky to Buenos Aires

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

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

Find hourly flight availability from Kentucky 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 18, 2025.

A simple way to save on the total cost of your ticket is to fly from Kentucky to Buenos Aires in the evening. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight at noon.

Related info for your journey

Find useful and relevant information for your journey from Kentucky to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    There are many flights that can get you from Kentucky to Buenos Aires in 21h 05m. Fly via United Airlines, LATAM Airlines, or Delta to get the fastest option. The distance from Kentucky to Buenos Aires is about 5366 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Kentucky to Buenos Aires?

    When deciding which route to take from Kentucky to Buenos Aires consider Cincinnati Cinci./N. Kentucky - Buenos Aires Ministro Pistarini, Cincinnati Cinci./N. Kentucky - Buenos Aires Jorge Newbery or Nashville Intl - Buenos Aires Ministro Pistarini as they are the most popular.

  • Can I find deals for flights from Kentucky to Buenos Aires that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Kentucky 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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Alternative routes for Kentucky to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Kentucky to Buenos Aires

Discover the top airline that operate flights from Kentucky 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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,065Average$1,220FlexibilityNo cancel feeOn-timeN/A

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