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Cheap flights from Las Vegas to Buenos Aires from $376

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 9/3. 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

Discover deals from 900+ travel sites with momondo.

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 - 3:50 pmLAS  Las Vegas Harry Reid Intl-EZE Buenos Aires Ministro Pistarini
20h 40m2 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
$834Avianca
Thu, Dec 3 - Mon, Dec 28
Avianca Logo
2:10 pm - 3:50 pmLAS  Las Vegas Harry Reid Intl-EZE Buenos Aires Ministro Pistarini
20h 40m2 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
Sat, Dec 5 - Wed, Dec 16
LATAM Airlines Logo
9:53 am - 11:30 amLAS  Las Vegas Harry Reid Intl-EZE Buenos Aires Ministro Pistarini
21h 37m2 stops Los Angeles Santiago Arturo Merino Benitez
LATAM Airlines Logo
4:45 pm - 11:52 amEZE  Buenos Aires Ministro Pistarini-LAS Las Vegas Harry Reid Intl
23h 07m2 stops Sao Paulo Guarulhos Intl Los Angeles
$1,106LATAM Airlines
Mon, Oct 5 - Thu, Oct 15
LATAM Airlines Logo
7:00 am - 6:20 amLAS  Las Vegas Harry Reid Intl-EZE Buenos Aires Ministro Pistarini
18h 20m2 stops Los Angeles Lima J Chavez Intl
LATAM Airlines Logo
12:15 pm - 5:01 pmEZE  Buenos Aires Ministro Pistarini-LAS Las Vegas Harry Reid Intl
33h 46m2 stops Santiago Arturo Merino Benitez Los Angeles
$1,113LATAM Airlines
Thu, Nov 12 - Thu, Nov 19
Copa Airlines Logo
12:34 am - 10:26 pmLAS  Las Vegas Harry Reid Intl-EZE Buenos Aires Ministro Pistarini
17h 52m1 stop Panama City Tocumen Intl
Copa Airlines Logo
8:59 am - 10:30 pmEZE  Buenos Aires Ministro Pistarini-LAS Las Vegas Harry Reid Intl
17h 31m1 stop Panama City Tocumen Intl
$1,127Copa Airlines
Wed, Sep 23 - Wed, Oct 7
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
$1,136Copa Airlines
Wed, Nov 11 - Thu, Nov 19
Delta Logo
6:00 am - 9:45 amLAS  Las Vegas Harry Reid Intl-EZE Buenos Aires Ministro Pistarini
23h 45m1 stop Atlanta Hartsfield-Jackson
Delta Logo
8:10 pm - 5:09 pmEZE  Buenos Aires Ministro Pistarini-LAS Las Vegas Harry Reid Intl
24h 59m1 stop Atlanta Hartsfield-Jackson
$1,142Delta
Mon, Sep 28 - Mon, Oct 12
American Airlines Logo
9:00 am - 8:30 amLAS  Las Vegas Harry Reid Intl-EZE Buenos Aires Ministro Pistarini
18h 30m1 stop Dallas/Fort Worth
American Airlines Logo
10:10 am - 10:13 pmEZE  Buenos Aires Ministro Pistarini-LAS Las Vegas Harry Reid Intl
17h 03m1 stop Miami
$1,148American Airlines
Wed, Jan 20 - Wed, Feb 3
American Airlines Logo
12:45 pm - 8:40 amLAS  Las Vegas Harry Reid Intl-EZE Buenos Aires Ministro Pistarini
14h 55m1 stop Miami
American Airlines Logo
10:30 pm - 2:36 pmEZE  Buenos Aires Ministro Pistarini-LAS Las Vegas Harry Reid Intl
21h 06m1 stop Dallas/Fort Worth
$1,148American Airlines
Mon, Nov 16 - Mon, Nov 23
Delta Logo
7:00 am - 6:20 amLAS  Las Vegas Harry Reid Intl-EZE Buenos Aires Ministro Pistarini
18h 20m2 stops Los Angeles Lima J Chavez Intl
Delta Logo
9:30 pm - 6:13 pmEZE  Buenos Aires Ministro Pistarini-LAS Las Vegas Harry Reid Intl
25h 43m1 stop Atlanta Hartsfield-Jackson
$1,148Delta
Sat, Nov 28 - Tue, Dec 1

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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
Oct 5
LAS9:53 amLas Vegas Harry Reid Intl
21h 37m
2 stops
EZE11:30 amBuenos Aires Ministro Pistarini
Oct 15
EZE4:45 pmBuenos Aires Ministro Pistarini
23h 07m
2 stops
LAS11:52 amLas Vegas Harry Reid Intl
$1,106
LATAM Airlines
Nov 12
LAS7:00 amLas Vegas Harry Reid Intl
18h 20m
2 stops
EZE6:20 amBuenos Aires Ministro Pistarini
Nov 19
EZE12:15 pmBuenos Aires Ministro Pistarini
33h 46m
2 stops
LAS5:01 pmLas Vegas Harry Reid Intl
$1,113
LATAM Airlines
Nov 12
LAS7:00 amLas Vegas Harry Reid Intl
22h 35m
2 stops
EZE10:35 amBuenos Aires Ministro Pistarini
Nov 18
EZE4:00 amBuenos Aires Ministro Pistarini
24h 31m
2 stops
LAS11:31 pmLas Vegas Harry Reid Intl
$1,123

Avianca flights from Las Vegas to Buenos Aires

Our best Avianca deals on Las Vegas to Buenos Aires flight tickets
Avianca
Dec 3
LAS2:10 pmLas Vegas Harry Reid Intl
20h 40m
2 stops
EZE3:50 pmBuenos Aires Ministro Pistarini
Dec 28
EZE4:55 pmBuenos Aires Ministro Pistarini
24h 35m
2 stops
LAS12:30 pmLas Vegas Harry Reid Intl
$834
Avianca
Dec 3
LAS2:10 pmLas Vegas Harry Reid Intl
29h 25m
2 stops
EZE12:35 amBuenos Aires Ministro Pistarini
Dec 16
EZE4:55 pmBuenos Aires Ministro Pistarini
24h 35m
2 stops
LAS12:30 pmLas Vegas Harry Reid Intl
$840
Avianca
Aug 18
LAS2:55 pmLas Vegas Harry Reid Intl
29h 30m
2 stops
EZE12:25 amBuenos Aires Ministro Pistarini
Aug 27
EZE4:50 pmBuenos Aires Ministro Pistarini
48h 15m
2 stops
LAS1:05 pmLas Vegas Harry Reid Intl
$857

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 8, 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-3:50 pm

2 stops20h 40m

Buenos Aires Ministro Pistarini

Mon 12/28

4:55 pm-12:30 pm

2 stops24h 35m

$834

Las VegasBuenos Aires

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

LASEZE

Las Vegas Harry Reid Intl

Sat 12/5

2:10 pm-3:50 pm

2 stops20h 40m

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

Mon 10/5

9:53 am-11:30 am

2 stops21h 37m

Buenos Aires Ministro Pistarini

Thu 10/15

4:45 pm-11:52 am

2 stops23h 07m

$1,106

Las VegasBuenos Aires

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

LASEZE

Las Vegas Harry Reid Intl

Thu 11/12

7:00 am-6:20 am

2 stops18h 20m

Buenos Aires Ministro Pistarini

Thu 11/19

12:15 pm-5:01 pm

2 stops33h 46m

$1,113
Quickest round-trip

Las VegasBuenos Aires

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

LASEZE

Las Vegas Harry Reid Intl

Wed 9/23

12:34 am-10:26 pm

1 stop17h 52m

Buenos Aires Ministro Pistarini

Wed 10/7

8:59 am-10:30 pm

1 stop17h 31m

$1,127

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

$1,136

Las VegasBuenos Aires

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

LASEZE

Las Vegas Harry Reid Intl

Mon 9/28

6:00 am-9:45 am

1 stop23h 45m

Buenos Aires Ministro Pistarini

Mon 10/12

8:10 pm-5:09 pm

1 stop24h 59m

$1,142

Las VegasBuenos Aires

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

LASEZE

Las Vegas Harry Reid Intl

Wed 1/20

9:00 am-8:30 am

1 stop18h 30m

Buenos Aires Ministro Pistarini

Wed 2/3

10:10 am-10:13 pm

1 stop17h 03m

$1,148

Las VegasBuenos Aires

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

LASEZE

Las Vegas Harry Reid Intl

Mon 11/16

12:45 pm-8:40 am

1 stop14h 55m

Buenos Aires Ministro Pistarini

Mon 11/23

10:30 pm-2:36 pm

1 stop21h 06m

$1,148

Las VegasBuenos Aires

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

LASEZE

Las Vegas Harry Reid Intl

Sat 11/28

7:00 am-6:20 am

2 stops18h 20m

Buenos Aires Ministro Pistarini

Tue 12/1

9:30 pm-6:13 pm

1 stop25h 43m

$1,148

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 $834.

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 $823, 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

15h 46m

Direct flights

None
The fastest flight from Las Vegas to Buenos Aires takes 15h 46m
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 15h 46m.

  • 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
1,563 reviews
Search Copa Airlines flights
LATAM AirlinesPriceFrom $630Free CancellationRating
7.4
1,974 reviews
Search LATAM Airlines flights
United AirlinesPriceFrom $685Free CancellationRating
7.4
10,085 reviews
Search United Airlines flights
DeltaPriceFrom $745Free CancellationRating
7.8
8,502 reviews
Search Delta flights
American AirlinesPriceFrom $763Free CancellationRating
7.1
11,884 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