Which layover airport has the shortest connection time from Las Vegas to Buenos Aires?

Miami (MIA) has the shortest average layover time for this route: 1h 37m.

What airlines fly to Buenos Aires?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Buenos Aires from Las Vegas according to our data. United Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Buenos Aires. Keep in mind that there are 5 different airlines that fly to Buenos Aires on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Las Vegas and Buenos Aires?

Houston (IAH) was the most common stop: 57% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Las Vegas to Buenos Aires?

Flights connecting via Houston (IAH) have the shortest average one-way travel time: 14h 52m.

Which layover airport offers the lowest fares from Las Vegas to Buenos Aires?

Flights via Houston (IAH) offer the lowest average round-trip price of $889.

When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Buenos Aires?

Prices for flights from Las Vegas Harry Reid Intl Airport to Buenos Aires are refreshed on a daily basis.

How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Buenos Aires?

The number of operators available for flights from Las Vegas Harry Reid Intl Airport to Buenos Aires is 5 as of March 2026.

How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Buenos Aires?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Las Vegas Harry Reid Intl Airport to Buenos Aires.

What documentation or ID do you need to fly to Buenos Aires?

The required travel and health documents for your Buenos Aires trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buenos Aires. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$339 Cheap Flights from Las Vegas to Buenos Aires in 2026

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Las Vegas to Buenos Aires

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:37 am - 4:31 am

LAS

EZE

23h 54m

1 stop

3:48 am - 10:30 pm

EZE

LAS

22h 42m

1 stop

$855Copa Airlines

水, 5月 6 - 水, 5月 13

2:55 pm - 3:40 pm

LAS

EZE

20h 45m

2 stops

4:50 pm - 1:05 pm

EZE

LAS

24h 15m

2 stops

$885Avianca

木, 6月 4 - 水, 6月 10

2:55 pm - 5:40 am

LAS

AEP

34h 45m

2 stops

7:00 am - 1:05 pm

AEP

LAS

34h 05m

2 stops

$920Avianca

木, 6月 4 - 水, 6月 10

12:41 am - 4:30 am

LAS

EZE

23h 49m

1 stop

3:52 am - 10:30 pm

EZE

LAS

22h 38m

1 stop

$925Copa Airlines

土, 3月 28 - 火, 3月 31

12:41 am - 4:24 am

LAS

EZE

23h 43m

1 stop

2:57 pm - 10:30 pm

EZE

LAS

35h 33m

1 stop

$957Copa Airlines

日, 3月 29 - 火, 4月 21

11:00 pm - 3:00 am

LAS

EZE

24h 00m

2 stops

1:10 pm - 12:18 am

EZE

LAS

39h 08m

1 stop

$978Multiple Airlines

水, 4月 29 - 水, 5月 6

12:41 pm - 7:15 pm

LAS

EZE

26h 34m

2 stops

8:00 am - 11:26 am

EZE

LAS

31h 26m

1 stop

$984Multiple Airlines

水, 4月 1 - 月, 4月 20

1:05 pm - 11:30 am

LAS

EZE

18h 25m

2 stops

7:35 am - 10:44 pm

EZE

LAS

19h 09m

2 stops

$997LATAM Airlines

火, 8月 18 - 月, 8月 31

7:00 am - 7:40 am

LAS

AEP

20h 40m

2 stops

8:05 pm - 12:25 pm

AEP

LAS

20h 20m

2 stops

$1,042LATAM Airlines

木, 5月 7 - 木, 5月 14

2:47 pm - 4:00 pm

LAS

AEP

21h 13m

2 stops

7:20 pm - 2:04 pm

AEP

LAS

22h 44m

2 stops

$1,083Delta

木, 5月 7 - 金, 5月 15

Copa Airlines flights from Las Vegas to Buenos Aires

Our best Copa Airlines deals on Las Vegas to Buenos Aires flight tickets

Copa Airlines

May 6

LAS12:37 amLas Vegas Harry Reid Intl

23h 54m

1 stop

EZE4:31 amBuenos Aires Ministro Pistarini

May 13

EZE3:48 amBuenos Aires Ministro Pistarini

22h 42m

1 stop

LAS10:30 pmLas Vegas Harry Reid Intl

$855

Copa Airlines

Mar 28

LAS12:41 amLas Vegas Harry Reid Intl

23h 49m

1 stop

EZE4:30 amBuenos Aires Ministro Pistarini

Mar 31

EZE3:52 amBuenos Aires Ministro Pistarini

22h 38m

1 stop

LAS10:30 pmLas Vegas Harry Reid Intl

$925

Copa Airlines

Mar 24

LAS1:58 amLas Vegas Harry Reid Intl

19h 04m

1 stop

EZE1:02 amBuenos Aires Ministro Pistarini

Apr 5

EZE9:11 amBuenos Aires Ministro Pistarini

17h 19m

1 stop

LAS10:30 pmLas Vegas Harry Reid Intl

$945

United Airlines flights from Las Vegas to Buenos Aires

Our best United Airlines deals on Las Vegas to Buenos Aires flight tickets

United Airlines

May 9

LAS9:05 amLas Vegas Harry Reid Intl

18h 55m

2 stops

EZE8:00 amBuenos Aires Ministro Pistarini

May 14

EZE9:00 pmBuenos Aires Ministro Pistarini

24h 18m

2 stops

LAS5:18 pmLas Vegas Harry Reid Intl

$1,087

United Airlines

May 9

LAS6:00 amLas Vegas Harry Reid Intl

22h 00m

1 stop

EZE8:00 amBuenos Aires Ministro Pistarini

May 14

EZE9:00 pmBuenos Aires Ministro Pistarini

26h 57m

1 stop

LAS7:57 pmLas Vegas Harry Reid Intl

$1,095

United Airlines

Aug 3

LAS4:43 pmLas Vegas Harry Reid Intl

35h 17m

1 stop

EZE8:00 amBuenos Aires Ministro Pistarini

Aug 7

EZE9:00 pmBuenos Aires Ministro Pistarini

27h 08m

2 stops

LAS8:08 pmLas Vegas Harry Reid Intl

$1,099

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

水 5/6

12:37 am-4:31 am

1 stop23h 54m

Buenos Aires Ministro Pistarini

水 5/13

3:48 am-10:30 pm

1 stop22h 42m

$855

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

木 6/4

2:55 pm-3:40 pm

2 stops20h 45m

Buenos Aires Ministro Pistarini

水 6/10

4:50 pm-1:05 pm

2 stops24h 15m

$885

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

木 6/4

2:55 pm-5:40 am

2 stops34h 45m

Buenos Aires Jorge Newbery

水 6/10

7:00 am-1:05 pm

2 stops34h 05m

$920

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

土 3/28

12:41 am-4:30 am

1 stop23h 49m

Buenos Aires Ministro Pistarini

火 3/31

3:52 am-10:30 pm

1 stop22h 38m

$925

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

日 3/29

12:41 am-4:24 am

1 stop23h 43m

Buenos Aires Ministro Pistarini

火 4/21

2:57 pm-10:30 pm

1 stop35h 33m

$957

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

水 4/29

11:00 pm-3:00 am

2 stops24h 00m

Buenos Aires Ministro Pistarini

水 5/6

1:10 pm-12:18 am

1 stop39h 08m

$978

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

水 4/1

12:41 pm-7:15 pm

2 stops26h 34m

Buenos Aires Ministro Pistarini

月 4/20

8:00 am-11:26 am

1 stop31h 26m

$984

Quickest round-trip

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

火 8/18

1:05 pm-11:30 am

2 stops18h 25m

Buenos Aires Ministro Pistarini

月 8/31

7:35 am-10:44 pm

2 stops19h 09m

$997

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

木 5/7

7:00 am-7:40 am

2 stops20h 40m

Buenos Aires Jorge Newbery

木 5/14

8:05 pm-12:25 pm

2 stops20h 20m

$1,042

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

木 5/7

2:47 pm-4:00 pm

2 stops21h 13m

Buenos Aires Jorge Newbery

金 5/15

7:20 pm-2:04 pm

2 stops22h 44m

$1,083

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Las Vegas to Buenos Aires

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Las Vegas is in November. Flight prices, which tend to average around $685, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Buenos Aires from Las Vegas during January instead. Flights to Buenos Aires in January, while not as cheap as those in November, still average around $866.

How have Las Vegas to Buenos Aires flight prices changed over time?

As of March 2026, prices for Las Vegas to Buenos Aires flights are approximately 72% more expensive when compared to flights at the same time last year.

When to book flights from Las Vegas to Buenos Aires

Are you open to changing your travel dates? Check out the ideal times to fly from Las Vegas to Buenos Aires according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Las Vegas to Buenos Aires (LAS to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Las Vegas to Buenos Aires

Fastest flight time	17h 42m
Direct flights	None

The fastest flight from Las Vegas to Buenos Aires takes 17h 42m

There are no direct flights from Las Vegas to Buenos Aires. There are no popular flight routes from Las Vegas to Buenos Aires.

Search flight deals

How far is Las Vegas Harry Reid Intl to Buenos Aires by plane?
A flight from Las Vegas Harry Reid Intl to Buenos Aires will travel around 6099.8 mi. By plane, this route typically takes 17h 42m.
When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Buenos Aires?
Prices for flights from Las Vegas Harry Reid Intl Airport to Buenos Aires are refreshed on a daily basis.
How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Buenos Aires?
The number of operators available for flights from Las Vegas Harry Reid Intl Airport to Buenos Aires is 5 as of March 2026.
How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Buenos Aires?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Las Vegas Harry Reid Intl Airport to Buenos Aires.
What documentation or ID do you need to fly to Buenos Aires?
The required travel and health documents for your Buenos Aires trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buenos Aires. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Las Vegas to Buenos Aires?
momondo data reveals that the most frequently booked airline on the route from Las Vegas to Buenos Aires is United Airlines, representing 29% of all bookings. The subsequent popular airlines are LATAM Airlines at 23%, American Airlines at 21%, and Delta at 14%.

Best airlines flying from Las Vegas to Buenos Aires

Compare and see reviews for airlines that fly from Las Vegas to Buenos Aires with momondo

Airline	Rating	Free Cancellation	Price
Copa Airlines	PriceFrom $613	Free Cancellation	Rating 7.5 1,571 reviews	Search Copa Airlines flights
United Airlines	PriceFrom $625	Free Cancellation	Rating 7.4 9,435 reviews	Search United Airlines flights
Delta	PriceFrom $745	Free Cancellation	Rating 7.9 8,286 reviews	Search Delta flights
American Airlines	PriceFrom $750	Free Cancellation	Rating 7.1 11,468 reviews	Search American Airlines flights
LATAM Airlines	PriceFrom $789	Free Cancellation	Rating 7.4 1,914 reviews	Search LATAM Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Las Vegas to Buenos Aires?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Buenos Aires from Las Vegas.

Can I find flights from Las Vegas to Buenos Aires with flexible booking policies on momondo?

Flights from Las Vegas to Buenos Aires with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Las Vegas to Buenos Aires?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Buenos Aires from Las Vegas.

I’m not ready to book a flight from Las Vegas to Buenos Aires right now. Can momondo alert me if prices change?

Price alerts on flights to Buenos Aires from Las Vegas are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Buenos Aires trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

金 4/17

金 4/24

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Argentina

Nearby airports

Airlines

Cabin classes

Other Argentina destinations

Other flights from Las Vegas

Complete your trip

Feeling lucky

Fly into one of these airports located in Buenos Aires

Buenos Aires Jorge Newbery Airport

Buenos Aires Ministro Pistarini Airport

Cheap flights from Las Vegas to Buenos Aires from $339

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to Buenos Aires departing on 4/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Las Vegas to Buenos Aires

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Copa Airlines flights from Las Vegas to Buenos Aires

Our best Copa Airlines deals on Las Vegas to Buenos Aires flight tickets

United Airlines flights from Las Vegas to Buenos Aires

Our best United Airlines deals on Las Vegas to Buenos Aires flight tickets

momondo Fare Finder

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

See travel insights to Buenos Aires from

How to get the cheapest flight ticket from Las Vegas to Buenos Aires

What is the cheapest month to fly to Buenos Aires?

How have Las Vegas to Buenos Aires flight prices changed over time?

What airlines fly to Buenos Aires?

Which airport is the most popular layover for flights between Las Vegas and Buenos Aires?

Which layover airport offers the lowest fares from Las Vegas to Buenos Aires?

Which layover airport has the shortest travel time from Las Vegas to Buenos Aires?

Which layover airport has the shortest connection time from Las Vegas to Buenos Aires?

When to book flights from Las Vegas to Buenos Aires

Cheap Las Vegas to Buenos Aires (LAS to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Las Vegas to Buenos Aires

Fastest flight time

Direct flights

Best airlines flying from Las Vegas to Buenos Aires

Compare and see reviews for airlines that fly from Las Vegas to Buenos Aires with momondo

Why use momondo?

An easier way to manage your Buenos Aires trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 17.0 mi from Buenos Aires

Fly your favorite airline to Buenos Aires

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Buenos Aires

List of cabin classes available on flights landing in Buenos Aires. Availability may vary depending on flight origin and airline.

Popular cities in Argentina

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Las Vegas

According to popular flight searches on momondo this year

Complete your trip to Buenos Aires

Explore popular destinations other users love

According to popular flight searches on momondo this year