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Cheap flights from Las Vegas to Buenos Aires from $280

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 10/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Las Vegas to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
Avianca Logo
2:10 pm - 12:35 amLAS  Las Vegas Harry Reid Intl-EZE Buenos Aires Ministro Pistarini
29h 25m2 stops San Salvador El Salvador Intl Bogotá El Dorado
Avianca Logo
4:55 pm - 12:30 pmEZE  Buenos Aires Ministro Pistarini-LAS Las Vegas Harry Reid Intl
24h 35m2 stops Bogotá El Dorado San Salvador El Salvador Intl
$840Avianca
Thu, Dec 3 - Wed, Dec 16
Avianca Logo
2:10 pm - 12:35 amLAS  Las Vegas Harry Reid Intl-EZE Buenos Aires Ministro Pistarini
29h 25m2 stops San Salvador El Salvador Intl Bogotá El Dorado
Avianca Logo
4:55 pm - 12:30 pmEZE  Buenos Aires Ministro Pistarini-LAS Las Vegas Harry Reid Intl
24h 35m2 stops Bogotá El Dorado San Salvador El Salvador Intl
$840Avianca
Thu, Dec 3 - Mon, Dec 14
Copa Airlines Logo
12:45 am - 3:52 amLAS  Las Vegas Harry Reid Intl-EZE Buenos Aires Ministro Pistarini
22h 07m1 stop Panama City Tocumen Intl
Copa Airlines Logo
8:56 am - 10:30 pmEZE  Buenos Aires Ministro Pistarini-LAS Las Vegas Harry Reid Intl
18h 34m1 stop Panama City Tocumen Intl
$1,088Copa Airlines
Wed, Nov 11 - Thu, Nov 19
LATAM Airlines Logo
1:30 pm - 9:40 amLAS  Las Vegas Harry Reid Intl-EZE Buenos Aires Ministro Pistarini
15h 10m1 stop Atlanta Hartsfield-Jackson
LATAM Airlines Logo
7:20 am - 10:49 pmEZE  Buenos Aires Ministro Pistarini-LAS Las Vegas Harry Reid Intl
20h 29m2 stops Lima J Chavez Intl Los Angeles
$1,094LATAM Airlines
Mon, Jan 18 - Tue, Feb 9
LATAM Airlines Logo
6:00 am - 7:40 amLAS  Las Vegas Harry Reid Intl-AEP Buenos Aires Jorge Newbery
20h 40m2 stops Los Angeles Lima J Chavez Intl
LATAM Airlines Logo
5:35 pm - 10:49 pmAEP  Buenos Aires Jorge Newbery-LAS Las Vegas Harry Reid Intl
34h 14m2 stops Lima J Chavez Intl Los Angeles
$1,123LATAM Airlines
Fri, Jan 15 - Tue, Jan 26
United Airlines Logo
8:00 am - 7:20 amLAS  Las Vegas Harry Reid Intl-EZE Buenos Aires Ministro Pistarini
18h 20m1 stop Houston George Bush Intcntl
United Airlines Logo
11:55 pm - 6:29 pmEZE  Buenos Aires Ministro Pistarini-LAS Las Vegas Harry Reid Intl
23h 34m1 stop Houston George Bush Intcntl
$1,148United Airlines
Sat, Nov 14 - Sat, Nov 21
United Airlines Logo
6:00 am - 7:20 amLAS  Las Vegas Harry Reid Intl-EZE Buenos Aires Ministro Pistarini
20h 20m1 stop Houston George Bush Intcntl
United Airlines Logo
10:05 pm - 1:45 pmEZE  Buenos Aires Ministro Pistarini-LAS Las Vegas Harry Reid Intl
20h 40m1 stop Houston George Bush Intcntl
$1,148United Airlines
Fri, Jan 15 - Tue, Jan 26
American Airlines Logo
2:00 pm - 10:15 amLAS  Las Vegas Harry Reid Intl-EZE Buenos Aires Ministro Pistarini
15h 15m1 stop Miami
American Airlines Logo
10:50 pm - 1:00 pmEZE  Buenos Aires Ministro Pistarini-LAS Las Vegas Harry Reid Intl
19h 10m1 stop Miami
$1,148American Airlines
Tue, Dec 8 - Tue, Dec 15
American Airlines Logo
6:00 am - 7:25 amLAS  Las Vegas Harry Reid Intl-EZE Buenos Aires Ministro Pistarini
20h 25m1 stop Miami
American Airlines Logo
10:30 pm - 6:57 pmEZE  Buenos Aires Ministro Pistarini-LAS Las Vegas Harry Reid Intl
25h 27m1 stop Dallas/Fort Worth
$1,148American Airlines
Sun, Nov 29 - Tue, Dec 22
Copa Airlines Logo
12:46 am - 4:17 amLAS  Las Vegas Harry Reid Intl-EZE Buenos Aires Ministro Pistarini
22h 31m1 stop Panama City Tocumen Intl
Copa Airlines Logo
2:04 am - 10:30 pmEZE  Buenos Aires Ministro Pistarini-LAS Las Vegas Harry Reid Intl
25h 26m1 stop Panama City Tocumen Intl
$1,159Copa Airlines
Thu, Dec 3 - Mon, Dec 14

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LATAM Airlines flights from Las Vegas to Buenos Aires

Our best LATAM Airlines deals on Las Vegas to Buenos Aires flight tickets
LATAM Airlines
Jan 18
LAS1:30 pmLas Vegas Harry Reid Intl
15h 10m
1 stop
EZE9:40 amBuenos Aires Ministro Pistarini
Feb 9
EZE7:20 amBuenos Aires Ministro Pistarini
20h 29m
2 stops
LAS10:49 pmLas Vegas Harry Reid Intl
$1,094
LATAM Airlines
Jan 15
LAS6:00 amLas Vegas Harry Reid Intl
20h 40m
2 stops
AEP7:40 amBuenos Aires Jorge Newbery
Jan 26
AEP5:35 pmBuenos Aires Jorge Newbery
34h 14m
2 stops
LAS10:49 pmLas Vegas Harry Reid Intl
$1,123
LATAM Airlines
Nov 12
LAS6:00 amLas Vegas Harry Reid Intl
22h 50m
2 stops
EZE9:50 amBuenos Aires Ministro Pistarini
Nov 19
EZE7:20 amBuenos Aires Ministro Pistarini
20h 28m
2 stops
LAS10:48 pmLas Vegas Harry Reid Intl
$1,128

United Airlines flights from Las Vegas to Buenos Aires

Our best United Airlines deals on Las Vegas to Buenos Aires flight tickets
United Airlines
Nov 20
LAS5:02 pmLas Vegas Harry Reid Intl
33h 18m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Nov 29
EZE11:55 pmBuenos Aires Ministro Pistarini
25h 14m
1 stop
LAS8:09 pmLas Vegas Harry Reid Intl
$1,160
United Airlines
Dec 5
LAS6:00 amLas Vegas Harry Reid Intl
20h 20m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Dec 18
EZE11:55 pmBuenos Aires Ministro Pistarini
22h 30m
2 stops
LAS5:25 pmLas Vegas Harry Reid Intl
$1,170
United Airlines
Aug 21
LAS4:59 pmLas Vegas Harry Reid Intl
35h 01m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
Aug 25
EZE9:00 pmBuenos Aires Ministro Pistarini
18h 29m
1 stop
LAS11:29 amLas Vegas Harry Reid Intl
$1,278

momondo Fare Finder

 
Customize your flight search to find flights from Las Vegas 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, momondo users made 832,500 searches. Data last updated August 15, 2026.
Use the filters below to find and compare flights from Las Vegas to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Las VegasBuenos Aires

LAS Las Vegas Harry Reid Intl - EZE Buenos Aires Ministro Pistarini

LASEZE

Las Vegas Harry Reid Intl

Thu 12/3

2:10 pm-12:35 am

2 stops29h 25m

Buenos Aires Ministro Pistarini

Wed 12/16

4:55 pm-12:30 pm

2 stops24h 35m

$840

Las VegasBuenos Aires

LAS Las Vegas Harry Reid Intl - EZE Buenos Aires Ministro Pistarini

LASEZE

Las Vegas Harry Reid Intl

Thu 12/3

2:10 pm-12:35 am

2 stops29h 25m

Buenos Aires Ministro Pistarini

Mon 12/14

4:55 pm-12:30 pm

2 stops24h 35m

$840

Las VegasBuenos Aires

LAS Las Vegas Harry Reid Intl - EZE Buenos Aires Ministro Pistarini

LASEZE

Las Vegas Harry Reid Intl

Wed 11/11

12:45 am-3:52 am

1 stop22h 07m

Buenos Aires Ministro Pistarini

Thu 11/19

8:56 am-10:30 pm

1 stop18h 34m

$1,088

Las VegasBuenos Aires

LAS Las Vegas Harry Reid Intl - EZE Buenos Aires Ministro Pistarini

LASEZE

Las Vegas Harry Reid Intl

Mon 1/18

1:30 pm-9:40 am

1 stop15h 10m

Buenos Aires Ministro Pistarini

Tue 2/9

7:20 am-10:49 pm

2 stops20h 29m

$1,094

Las VegasBuenos Aires

LAS Las Vegas Harry Reid Intl - AEP Buenos Aires Jorge Newbery

LASAEP

Las Vegas Harry Reid Intl

Fri 1/15

6:00 am-7:40 am

2 stops20h 40m

Buenos Aires Jorge Newbery

Tue 1/26

5:35 pm-10:49 pm

2 stops34h 14m

$1,123

Las VegasBuenos Aires

LAS Las Vegas Harry Reid Intl - EZE Buenos Aires Ministro Pistarini

LASEZE

Las Vegas Harry Reid Intl

Sat 11/14

8:00 am-7:20 am

1 stop18h 20m

Buenos Aires Ministro Pistarini

Sat 11/21

11:55 pm-6:29 pm

1 stop23h 34m

$1,148

Las VegasBuenos Aires

LAS Las Vegas Harry Reid Intl - EZE Buenos Aires Ministro Pistarini

LASEZE

Las Vegas Harry Reid Intl

Fri 1/15

6:00 am-7:20 am

1 stop20h 20m

Buenos Aires Ministro Pistarini

Tue 1/26

10:05 pm-1:45 pm

1 stop20h 40m

$1,148
Quickest round-trip

Las VegasBuenos Aires

LAS Las Vegas Harry Reid Intl - EZE Buenos Aires Ministro Pistarini

LASEZE

Las Vegas Harry Reid Intl

Tue 12/8

2:00 pm-10:15 am

1 stop15h 15m

Buenos Aires Ministro Pistarini

Tue 12/15

10:50 pm-1:00 pm

1 stop19h 10m

$1,148

Las VegasBuenos Aires

LAS Las Vegas Harry Reid Intl - EZE Buenos Aires Ministro Pistarini

LASEZE

Las Vegas Harry Reid Intl

Sun 11/29

6:00 am-7:25 am

1 stop20h 25m

Buenos Aires Ministro Pistarini

Tue 12/22

10:30 pm-6:57 pm

1 stop25h 27m

$1,148

Las VegasBuenos Aires

LAS Las Vegas Harry Reid Intl - EZE Buenos Aires Ministro Pistarini

LASEZE

Las Vegas Harry Reid Intl

Thu 12/3

12:46 am-4:17 am

1 stop22h 31m

Buenos Aires Ministro Pistarini

Mon 12/14

2:04 am-10:30 pm

1 stop25h 26m

$1,159

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Buenos Aires from

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

What is the typical price of a round-trip flight between Las Vegas and Buenos Aires?

Prices are currently low for flights on this route.

Typical prices usually range from $972 to $1,182.
The lowest price recently found on this route was $840.

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 $847, 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 February instead. Flights to Buenos Aires in February, while not as cheap as those in November, still average around $906.

Can stopping save me money on Las Vegas to Buenos Aires flights?

You could potentially save up to 3% on your flight if you consider stops on a Las Vegas to Buenos Aires flight.

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

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

16h 10m

Direct flights

None
The fastest flight from Las Vegas to Buenos Aires takes 16h 10m
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

Frequently asked questions about flying from Las Vegas to Buenos Aires

  • 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 16h 10m.

  • 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?

  • 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?

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 AirlinesPriceFrom $613Free CancellationRating
7.6
1,559 reviews
Search Copa Airlines flights
LATAM AirlinesPriceFrom $630Free CancellationRating
7.4
1,980 reviews
Search LATAM Airlines flights
United AirlinesPriceFrom $687Free CancellationRating
7.4
10,112 reviews
Search United Airlines flights
DeltaPriceFrom $745Free CancellationRating
7.8
8,509 reviews
Search Delta flights
American AirlinesPriceFrom $763Free CancellationRating
7.1
11,939 reviews
Search American 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

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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
Buenos Aires Jorge Newbery Airport
Buenos Aires Ministro Pistarini Airport