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Cheap flights from Las Vegas to Buenos Aires from $340

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 8/31. 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.
United Airlines Logo
8:00 am - 9:20 am
LAS
-
EZE
20h 20m
1 stop
United Airlines Logo
11:55 pm - 9:40 pm
EZE
-
LAS
26h 45m
1 stop
$929United Airlines
Thu, Nov 12 - Thu, Nov 19
American Airlines Logo
7:00 am - 8:30 am
LAS
-
EZE
20h 30m
1 stop
American Airlines Logo
10:10 am - 9:45 pm
EZE
-
LAS
16h 35m
1 stop
$938American Airlines
Sun, Nov 29 - Sat, Dec 12
Multiple Airlines Logo
12:59 am - 8:00 am
LAS
-
EZE
27h 01m
1 stop
Multiple Airlines Logo
9:00 pm - 11:09 am
EZE
-
LAS
18h 09m
1 stop
$948Multiple Airlines
Fri, Oct 2 - Mon, Oct 12
Copa Airlines Logo
12:45 am - 10:20 pm
LAS
-
EZE
16h 35m
1 stop
Copa Airlines Logo
12:06 am - 10:30 pm
EZE
-
LAS
27h 24m
1 stop
$949Copa Airlines
Wed, Nov 4 - Sat, Nov 28
Multiple Airlines Logo
12:59 am - 8:00 am
LAS
-
EZE
27h 01m
1 stop
Multiple Airlines Logo
9:00 pm - 12:24 pm
EZE
-
LAS
19h 24m
2 stops
$952Multiple Airlines
Fri, Oct 2 - Mon, Oct 12
United Airlines Logo
12:59 am - 8:00 am
LAS
-
EZE
27h 01m
1 stop
United Airlines Logo
9:00 pm - 12:24 pm
EZE
-
LAS
19h 24m
2 stops
$953United Airlines
Fri, Oct 2 - Mon, Oct 12
American Airlines Logo
12:00 pm - 10:15 am
LAS
-
EZE
17h 15m
2 stops
American Airlines Logo
10:30 pm - 2:14 pm
EZE
-
LAS
20h 44m
2 stops
$961American Airlines
Thu, Nov 12 - Thu, Nov 19
American Airlines Logo
9:58 am - 8:30 am
LAS
-
EZE
17h 32m
2 stops
American Airlines Logo
10:30 pm - 3:49 pm
EZE
-
LAS
22h 19m
1 stop
$965American Airlines
Sun, Nov 29 - Sat, Dec 12
LATAM Airlines Logo
6:35 am - 8:30 am
LAS
-
AEP
21h 55m
2 stops
LATAM Airlines Logo
5:35 pm - 12:36 pm
AEP
-
LAS
23h 01m
2 stops
$1,128LATAM Airlines
Wed, Sep 30 - Fri, Oct 23
LATAM Airlines Logo
7:00 am - 7:40 am
LAS
-
AEP
19h 40m
2 stops
LATAM Airlines Logo
5:05 pm - 1:47 pm
AEP
-
LAS
25h 42m
2 stops
$1,131LATAM Airlines
Sun, Nov 29 - Tue, Dec 22

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American Airlines flights from Las Vegas to Buenos Aires

Our best American Airlines deals on Las Vegas to Buenos Aires flight tickets
American Airlines
Nov 29
LAS7:00 amLas Vegas Harry Reid Intl
20h 30m
1 stop
EZE8:30 amBuenos Aires Ministro Pistarini
Dec 12
EZE10:10 amBuenos Aires Ministro Pistarini
16h 35m
1 stop
LAS9:45 pmLas Vegas Harry Reid Intl
$938
American Airlines
Nov 12
LAS12:00 pmLas Vegas Harry Reid Intl
17h 15m
2 stops
EZE10:15 amBuenos Aires Ministro Pistarini
Nov 19
EZE10:30 pmBuenos Aires Ministro Pistarini
20h 44m
2 stops
LAS2:14 pmLas Vegas Harry Reid Intl
$961
American Airlines
Nov 29
LAS9:58 amLas Vegas Harry Reid Intl
17h 32m
2 stops
EZE8:30 amBuenos Aires Ministro Pistarini
Dec 12
EZE10:30 pmBuenos Aires Ministro Pistarini
22h 19m
1 stop
LAS3:49 pmLas Vegas Harry Reid Intl
$965

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 12
LAS8:00 amLas Vegas Harry Reid Intl
20h 20m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
Nov 19
EZE10:05 pmBuenos Aires Ministro Pistarini
20h 40m
1 stop
LAS1:45 pmLas Vegas Harry Reid Intl
$929
United Airlines
Oct 2
LAS12:59 amLas Vegas Harry Reid Intl
27h 01m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
Oct 12
EZE9:00 pmBuenos Aires Ministro Pistarini
19h 24m
2 stops
LAS12:24 pmLas Vegas Harry Reid Intl
$953
United Airlines
Sep 30
LAS7:45 amLas Vegas Harry Reid Intl
20h 15m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
Feb 1
EZE11:55 pmBuenos Aires Ministro Pistarini
24h 09m
2 stops
LAS7:04 pmLas Vegas Harry Reid Intl
$1,036

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 June 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 - EZE

LASEZE

Las Vegas Harry Reid Intl

Thu 11/12

8:00 am-9:20 am

1 stop20h 20m

Buenos Aires Ministro Pistarini

Thu 11/19

11:55 pm-9:40 pm

1 stop26h 45m

$929
Quickest round-trip

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Sun 11/29

7:00 am-8:30 am

1 stop20h 30m

Buenos Aires Ministro Pistarini

Sat 12/12

10:10 am-9:45 pm

1 stop16h 35m

$938

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Fri 10/2

12:59 am-8:00 am

1 stop27h 01m

Buenos Aires Ministro Pistarini

Mon 10/12

9:00 pm-11:09 am

1 stop18h 09m

$948

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Wed 11/4

12:45 am-10:20 pm

1 stop16h 35m

Buenos Aires Ministro Pistarini

Sat 11/28

12:06 am-10:30 pm

1 stop27h 24m

$949

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Fri 10/2

12:59 am-8:00 am

1 stop27h 01m

Buenos Aires Ministro Pistarini

Mon 10/12

9:00 pm-12:24 pm

2 stops19h 24m

$952

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Fri 10/2

12:59 am-8:00 am

1 stop27h 01m

Buenos Aires Ministro Pistarini

Mon 10/12

9:00 pm-12:24 pm

2 stops19h 24m

$953

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Thu 11/12

12:00 pm-10:15 am

2 stops17h 15m

Buenos Aires Ministro Pistarini

Thu 11/19

10:30 pm-2:14 pm

2 stops20h 44m

$961

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Sun 11/29

9:58 am-8:30 am

2 stops17h 32m

Buenos Aires Ministro Pistarini

Sat 12/12

10:30 pm-3:49 pm

1 stop22h 19m

$965

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Wed 9/30

6:35 am-8:30 am

2 stops21h 55m

Buenos Aires Jorge Newbery

Fri 10/23

5:35 pm-12:36 pm

2 stops23h 01m

$1,128

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Sun 11/29

7:00 am-7:40 am

2 stops19h 40m

Buenos Aires Jorge Newbery

Tue 12/22

5:05 pm-1:47 pm

2 stops25h 42m

$1,131

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?

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Las Vegas is in October. Flight prices, which tend to average around $264, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Buenos Aires from Las Vegas during November instead. Flights to Buenos Aires in November, while not as cheap as those in October, still average around $613.

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

17h 55m

Direct flights

None
The fastest flight from Las Vegas to Buenos Aires takes 17h 55m
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 17h 55m.

  • 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
7.5
1,568 reviews
Search Copa Airlines flights
LATAM AirlinesPriceFrom $630Free CancellationRating
7.4
1,933 reviews
Search LATAM Airlines flights
United AirlinesPriceFrom $685Free CancellationRating
7.4
9,841 reviews
Search United Airlines flights
DeltaPriceFrom $745Free CancellationRating
7.9
8,400 reviews
Search Delta flights
American AirlinesPriceFrom $763Free CancellationRating
7.1
11,660 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