What are the cheapest airlines flying from Louisville to Buenos Aires round-trip?

Currently priced at $972, Copa Airlines will fly you from Louisville to Buenos Aires and back. In addition to Copa Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from LATAM Airlines and Delta - these airlines can fly you to your destination from $1,060 and $1,065, respectively. Copa Airlines is 23% cheaper than the average price of flights available within the next 90 days to this destination.

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

Currently, April is the cheapest month in which you can book a flight from Louisville to Buenos Aires (average of $795). Flying from Louisville to Buenos Aires in December is currently the most expensive (average of $1,260). 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 day to fly from Louisville to Buenos Aires?

Travelers seeking maximum savings on their Louisville to Buenos Aires flight should consider departing on Sunday evenings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Buenos Aires ranges from 2.0 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. June is typically the driest time to visit Buenos Aires when rainfall is around 2.0 in.

If weather is an important factor for your trip to Buenos Aires, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 51.8 F).

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

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 63% on the overall cost on flights from Louisville to Buenos Aires.

What is the cheapest month to fly from Louisville to Buenos Aires?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, June can be a great choice for travel to Buenos Aires. Flights to Buenos Aires from Louisville in June are about $1,267 on average during June, but can be found for as low as $1,040.

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.

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.

$915+ Flights from Louisville to Buenos Aires

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Cheap flight deals from Louisville to Buenos Aires

Round-trip from	$915 (Mytrip)
Popular in	December
Cheapest in	June
Average price	$1,150

From Louisville Intl to Buenos Aires (BUE)

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($73 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($34 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

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 July 31, 2025.

Sat 8/307:58 pmSDF - EZE

3 stops33h 12mMultiple Airlines

Fri 9/54:45 amEZE - SDF

2 stops18h 19mMultiple Airlines

Deal found 7/30

$915

Thu 8/289:55 amSDF - EZE

2 stops20h 57mCopa Airlines

Thu 9/42:33 pmEZE - SDF

2 stops30h 55mCopa Airlines

Deal found 7/29

$972

Sun 12/77:30 pmSDF - EZE

2 stops36h 05mLATAM Airlines

Wed 12/104:05 amEZE - SDF

2 stops21h 51mLATAM Airlines

Deal found 7/30

$1,060

Thu 9/183:35 pmSDF - EZE

1 stop15h 25mUnited Airlines

Sun 9/289:00 pmEZE - SDF

1 stop17h 10mUnited Airlines

Deal found 7/30

$1,065

Sun 12/75:45 pmSDF - EZE

1 stop13h 15mDelta

Thu 12/117:55 amEZE - SDF

2 stops16h 35mDelta

Deal found 7/30

$1,095

Mon 9/15:57 pmSDF - EZE

1 stop14h 03mAmerican Airlines

Sun 9/78:40 pmEZE - SDF

2 stops21h 08mAmerican Airlines

Deal found 7/31

$1,305

Sun 11/308:45 amSDF - EZE

3 stops28h 25mAir Canada

Fri 12/124:45 pmEZE - SDF

3 stops28h 37mAir Canada

Deal found 7/31

$2,331

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 July 31, 2025.

Sat 8/307:58 pmSDF - EZE

3 stops33h 12mMultiple Airlines

Fri 9/54:45 amEZE - SDF

2 stops18h 19mMultiple Airlines

Deal found 7/30

$915

Thu 8/289:55 amSDF - EZE

2 stops20h 57mCopa Airlines

Thu 9/42:33 pmEZE - SDF

2 stops30h 55mCopa Airlines

Deal found 7/29

$972

Sun 12/77:30 pmSDF - EZE

2 stops36h 05mLATAM Airlines

Wed 12/104:05 amEZE - SDF

2 stops21h 51mLATAM Airlines

Deal found 7/30

$1,060

Fri 1/97:00 amSDF - EZE

2 stops21h 10mDelta

Mon 1/198:55 pmEZE - SDF

1 stop14h 39mDelta

Deal found 7/31

$1,065

Sat 9/137:00 amSDF - EZE

1 stop24h 00mUnited Airlines

Sat 9/209:00 pmEZE - SDF

2 stops26h 24mUnited Airlines

Deal found 7/30

$1,185

Mon 9/15:57 pmSDF - EZE

1 stop14h 03mAmerican Airlines

Sun 9/78:40 pmEZE - SDF

2 stops21h 08mAmerican Airlines

Deal found 7/31

$1,305

Fri 1/99:20 amSDF - EZE

3 stops27h 50mAir Canada

Mon 1/194:45 pmEZE - SDF

3 stops28h 40mAir Canada

Deal found 7/31

$2,141

Last-minute flights from Louisville to Buenos Aires
Discover last-minute flight deals from Louisville to Buenos Aires. Data last updated July 31, 2025 and is based on user searches.

Thu 8/289:55 amSDF - EZE

2 stops20h 57mCopa Airlines

Thu 9/42:33 pmEZE - SDF

2 stops30h 55mCopa Airlines

Deal found 7/29

$972

Thu 8/287:10 amSDF - EZE

2 stops21h 45mDelta

Thu 9/48:10 pmEZE - SDF

1 stop16h 35mDelta

Deal found 7/29

$1,175

Fri 8/293:35 pmSDF - EZE

1 stop15h 25mUnited Airlines

Mon 9/19:00 pmEZE - SDF

1 stop24h 00mUnited Airlines

Deal found 7/31

$1,300

Sat 8/307:58 pmSDF - EZE

3 stops33h 12mMultiple Airlines

Fri 9/54:45 amEZE - SDF

2 stops18h 19mMultiple Airlines

Deal found 7/30

$915

Sat 8/303:40 pmSDF - EZE

1 stop16h 20mAmerican Airlines

Fri 9/510:30 pmEZE - SDF

2 stops18h 34mAmerican Airlines

Deal found 7/30

$1,330

Cheapflights Fare Finder

Use the filters below to find and compare flights from Louisville to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleBuenos Aires

SDF - EZE

SDFEZE

Louisville Intl

Sat 8/30

7:58 pm-6:10 am

3 stops33h 12m

Buenos Aires Ministro Pistarini

Fri 9/5

4:45 am-10:04 pm

2 stops18h 19m

$915

LouisvilleBuenos Aires

SDF - EZE

SDFEZE

Louisville Intl

Thu 8/28

9:55 am-7:52 am

2 stops20h 57m

Buenos Aires Ministro Pistarini

Thu 9/4

2:33 pm-8:28 pm

2 stops30h 55m

$972

LouisvilleBuenos Aires

SDF - EZE

SDFEZE

Louisville Intl

Sun 12/7

7:30 pm-9:35 am

2 stops36h 05m

Buenos Aires Ministro Pistarini

Wed 12/10

4:05 am-11:56 pm

2 stops21h 51m

$1,060

LouisvilleBuenos Aires

SDF - EZE

SDFEZE

Louisville Intl

Fri 1/9

7:00 am-6:10 am

2 stops21h 10m

Buenos Aires Ministro Pistarini

Mon 1/19

8:55 pm-9:34 am

1 stop14h 39m

$1,065

LouisvilleBuenos Aires

SDF - EZE

SDFEZE

Louisville Intl

Sat 9/13

7:00 am-8:00 am

1 stop24h 00m

Buenos Aires Ministro Pistarini

Sat 9/20

9:00 pm-10:24 pm

2 stops26h 24m

$1,185

LouisvilleBuenos Aires

SDF - EZE

SDFEZE

Louisville Intl

Mon 9/1

5:57 pm-9:00 am

1 stop14h 03m

Buenos Aires Ministro Pistarini

Sun 9/7

8:40 pm-4:48 pm

2 stops21h 08m

$1,305

LouisvilleBuenos Aires

SDF - EZE

SDFEZE

Louisville Intl

Fri 1/9

9:20 am-3:10 pm

3 stops27h 50m

Buenos Aires Ministro Pistarini

Mon 1/19

4:45 pm-7:25 pm

3 stops28h 40m

$2,141

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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?

It’s optimal to fly from Louisville to Buenos Aires in the afternoon. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight at noon.

Reviews of airlines servicing Buenos Aires

See what other customers who have flown with Delta, LATAM Airlines, and Copa Airlines 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

8.0

Very good

7,981 reviews

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

7,981 reviews

Delta

8.0

Very good

7,981 reviews

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!

LATAM Airlines

7.5

Good

1,822 reviews

Delta

8.0

Very good

7,981 reviews

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!

Copa Airlines

7.5

Good

1,493 reviews

Delta

8.0

Very good

7,981 reviews

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

8,900 reviews

Delta

8.0

Very good

7,981 reviews

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

7,981 reviews

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

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.
What are the cheapest airlines flying from Louisville to Buenos Aires round-trip?
Currently priced at $972, Copa Airlines will fly you from Louisville to Buenos Aires and back. In addition to Copa Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from LATAM Airlines and Delta - these airlines can fly you to your destination from $1,060 and $1,065, respectively. Copa Airlines 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.
What is the cheapest month to book a flight from Louisville to Buenos Aires?
Currently, April is the cheapest month in which you can book a flight from Louisville to Buenos Aires (average of $795). Flying from Louisville to Buenos Aires in December is currently the most expensive (average of $1,260). 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

Top airline flying from Louisville to Buenos Aires

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$993	Average$1,193	FlexibilityNo cancel fee	On-timeN/A

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$915+ Cheap flights from Louisville (SDF) to Buenos Aires (BUE)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Louisville to Buenos Aires with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Louisville to Buenos Aires

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Louisville to Buenos Aires

Cheapest flights from Louisville to Buenos AiresExplore 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 July 31, 2025.

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 July 31, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Louisville to Buenos Aires that are best for you.

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.

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 July 31, 2025.

Reviews of airlines servicing Buenos Aires

See what other customers who have flown with Delta, LATAM Airlines, and Copa Airlines 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.

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?

What are the cheapest airlines flying from Louisville to Buenos Aires round-trip?

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

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

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

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

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.

Alternative routes for Louisville to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Louisville to Buenos Aires

100% Free

Book with Flexibility

Travel Smart

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 July 31, 2025.