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Buenos Aires

$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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BUE
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
1 adult, Economy
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Find 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 November 2, 2025.

This KAYAK deal was found by Cheapflights users on 11/1. 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.
Tue 12/212:13 pmCVG - AEP
2 stops19h 27mLATAM Airlines
Tue 12/92:55 pmAEP - CVG
2 stops22h 13mLATAM Airlines
Deal found 11/1$776
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/211:20 amCVG - EZE
2 stops18h 00mUnited Airlines
Tue 12/911:55 pmEZE - CVG
1 stop17h 53mUnited Airlines
Deal found 11/1$776
This KAYAK deal was found by Cheapflights users on 11/1. 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.
Tue 12/212:13 pmCVG - EZE
2 stops19h 22mLATAM Airlines
Tue 12/98:00 amEZE - CVG
2 stops18h 04mLATAM Airlines
Deal found 11/1$780
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/95:03 pmCVG - EZE
1 stop36h 17mUnited Airlines
Wed 11/2611:55 pmEZE - CVG
1 stop18h 17mUnited Airlines
Deal found 11/2$784
This KAYAK deal was found by Cheapflights users on 11/2. 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.
Thu 11/279:20 amBNA - AEP
2 stops19h 35mLATAM Airlines
Tue 12/22:55 pmAEP - BNA
2 stops22h 02mLATAM Airlines
Deal found 11/2$812
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Thu 11/272:42 pmBNA - EZE
1 stop13h 38mUnited Airlines
Tue 12/210:05 pmEZE - BNA
1 stop18h 46mUnited Airlines
Deal found 11/2$812
This Mytrip deal was found by Cheapflights users on 11/2. 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.
Thu 11/68:16 pmBNA - EZE
3 stops29h 54mMultiple Airlines
Tue 11/182:40 amEZE - BNA
3 stops23h 35mMultiple Airlines
Deal found 11/2$814
This KAYAK deal was found by Cheapflights users on 11/2. 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.
Sat 12/66:56 pmCVG - AEP
2 stops19h 04mLATAM Airlines
Wed 12/178:50 amAEP - CVG
2 stops26h 07mLATAM Airlines
Deal found 11/2$826
This Delta deal was found by Cheapflights users on 11/1. 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.
Sat 12/64:43 pmCVG - EZE
1 stop14h 17mDelta
Tue 12/94:05 amEZE - CVG
2 stops21h 59mDelta
Deal found 11/1$826
This Delta deal was found by Cheapflights users on 11/2. 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.
Sat 12/62:11 pmCVG - EZE
2 stops18h 04mDelta
Wed 12/1711:55 pmEZE - CVG
1 stop16h 20mDelta
Deal found 11/2$830
This Mytrip deal was found by Cheapflights users on 11/2. 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.
Thu 11/276:00 amBNA - EZE
3 stops19h 50mMultiple Airlines
Tue 12/24:55 pmEZE - BNA
3 stops33h 47mMultiple Airlines
Deal found 11/2$851
This Delta deal was found by Cheapflights users on 11/1. 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.
Wed 12/34:27 pmBNA - EZE
1 stop13h 33mDelta
Sun 12/78:55 pmEZE - BNA
1 stop15h 57mDelta
Deal found 11/1$862

Cheap 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 November 2, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$776
(KAYAK)

One-way from

$375
(Mytrip)

Popular in

December

Cheapest in

August

Average price

$1,100
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. 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 November 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 November 2, 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

CincinnatiBuenos Aires

CVG - EZE

CVGEZE

Cincinnati Cinci./N. Kentucky

Tue 12/2

11:20 am-7:20 am

2 stops18h 00m

Buenos Aires Ministro Pistarini

Tue 12/9

11:55 pm-3:48 pm

1 stop17h 53m

$776

CincinnatiBuenos Aires

CVG - EZE

CVGEZE

Cincinnati Cinci./N. Kentucky

Tue 3/3

6:25 am-7:20 am

1 stop22h 55m

Buenos Aires Ministro Pistarini

Tue 3/17

9:05 pm-10:54 am

1 stop14h 49m

$776

CincinnatiBuenos Aires

CVG - EZE

CVGEZE

Cincinnati Cinci./N. Kentucky

Wed 2/18

2:21 pm-10:50 am

1 stop18h 29m

Buenos Aires Ministro Pistarini

Wed 2/25

9:40 pm-1:18 pm

2 stops17h 38m

$780

NashvilleBuenos Aires

BNA - AEP

BNAAEP

Nashville Intl

Thu 11/27

9:20 am-7:55 am

2 stops19h 35m

Buenos Aires Jorge Newbery

Tue 12/2

2:55 pm-9:57 am

2 stops22h 02m

$812

NashvilleBuenos Aires

BNA - EZE

BNAEZE

Nashville Intl

Tue 3/3

5:00 pm-10:15 am

1 stop14h 15m

Buenos Aires Ministro Pistarini

Wed 3/18

8:55 pm-3:20 pm

1 stop20h 25m

$812

NashvilleBuenos Aires

BNA - EZE

BNAEZE

Nashville Intl

Tue 2/3

2:54 pm-7:20 am

1 stop13h 26m

Buenos Aires Ministro Pistarini

Mon 2/9

10:05 pm-1:58 pm

1 stop18h 53m

$812

NashvilleBuenos Aires

BNA - AEP

BNAAEP

Nashville Intl

Tue 2/3

6:10 am-8:40 pm

3 stops35h 30m

Buenos Aires Jorge Newbery

Mon 2/9

9:50 am-1:01 pm

3 stops30h 11m

$819

CincinnatiBuenos Aires

CVG - AEP

CVGAEP

Cincinnati Cinci./N. Kentucky

Fri 11/7

7:00 am-7:55 am

2 stops22h 55m

Buenos Aires Jorge Newbery

Thu 11/20

3:40 pm-4:51 pm

2 stops27h 11m

$826

CincinnatiBuenos Aires

CVG - EZE

CVGEZE

Cincinnati Cinci./N. Kentucky

Sat 12/6

6:56 pm-2:55 pm

2 stops17h 59m

Buenos Aires Ministro Pistarini

Wed 12/10

8:55 pm-2:15 pm

1 stop19h 20m

$826

CincinnatiBuenos Aires

CVG - AEP

CVGAEP

Cincinnati Cinci./N. Kentucky

Sat 11/8

11:25 am-6:40 pm

2 stops29h 15m

Buenos Aires Jorge Newbery

Thu 11/20

3:40 pm-4:51 pm

2 stops27h 11m

$826

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

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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 November 2, 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 18h. Fly via United Airlines, American Airlines, or LATAM Airlines 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, Nashville Intl - Buenos Aires Ministro Pistarini or Cincinnati Cinci./N. Kentucky - Buenos Aires Jorge Newbery 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.
Miami to Ministro Pistarini flights
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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 November 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,065Average$1,215FlexibilityNo cancel feeOn-timeN/A

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