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Cheap flights from Las Vegas to Buenos Aires from $323

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 6/15. 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.
Multiple Airlines Logo
3:36 pm - 9:16 am
LAS
-
EZE
37h 40m
3 stops
Multiple Airlines Logo
11:00 am - 8:47 am
EZE
-
LAS
25h 47m
2 stops
$811Multiple Airlines
to, kesä 11 - ti, kesä 16
Multiple Airlines Logo
2:55 pm - 3:40 pm
LAS
-
EZE
20h 45m
2 stops
Multiple Airlines Logo
11:00 am - 8:47 am
EZE
-
LAS
25h 47m
2 stops
$819Multiple Airlines
to, kesä 11 - ti, kesä 16
Multiple Airlines Logo
2:55 pm - 3:40 pm
LAS
-
EZE
20h 45m
2 stops
Multiple Airlines Logo
11:00 am - 12:55 pm
EZE
-
LAS
29h 55m
3 stops
$837Multiple Airlines
ti, kesä 2 - ti, kesä 23
Avianca Logo
2:55 pm - 12:25 am
LAS
-
EZE
29h 30m
2 stops
Avianca Logo
4:50 pm - 1:05 pm
EZE
-
LAS
24h 15m
2 stops
$839Avianca
ti, kesä 16 - ke, elo 5
Avianca Logo
2:55 pm - 3:40 pm
LAS
-
EZE
20h 45m
2 stops
Avianca Logo
7:10 am - 1:05 pm
EZE
-
LAS
33h 55m
2 stops
$877Avianca
la, kesä 20 - ke, elo 12
Avianca Logo
2:55 pm - 5:40 am
LAS
-
AEP
34h 45m
2 stops
Avianca Logo
7:00 am - 1:05 pm
AEP
-
LAS
34h 05m
2 stops
$877Avianca
la, kesä 20 - pe, elo 7
Multiple Airlines Logo
11:39 pm - 6:45 am
LAS
-
EZE
27h 06m
2 stops
Multiple Airlines Logo
1:10 pm - 11:26 am
EZE
-
LAS
26h 16m
1 stop
$938Multiple Airlines
ti, huhti 14 - ti, huhti 28
LATAM Airlines Logo
1:15 pm - 2:50 pm
LAS
-
AEP
21h 35m
2 stops
LATAM Airlines Logo
3:45 pm - 4:46 pm
AEP
-
LAS
29h 01m
2 stops
$1,075LATAM Airlines
pe, Touko 22 - ti, kesä 16
Delta Logo
9:50 am - 4:00 pm
LAS
-
AEP
26h 10m
2 stops
Delta Logo
7:20 pm - 2:02 pm
AEP
-
LAS
22h 42m
2 stops
$1,083Delta
ma, Touko 18 - ma, kesä 15
LATAM Airlines Logo
1:08 pm - 2:50 pm
LAS
-
AEP
21h 42m
2 stops
LATAM Airlines Logo
3:45 pm - 12:12 pm
AEP
-
LAS
24h 27m
2 stops
$1,114LATAM Airlines
pe, heinä 3 - ma, heinä 13

LATAM Airlines flights from Las Vegas to Buenos Aires

Our best LATAM Airlines deals on Las Vegas to Buenos Aires flight tickets
LATAM Airlines
Jun 22
LAS1:08 pmLas Vegas Harry Reid Intl
18h 22m
2 stops
EZE11:30 amBuenos Aires Ministro Pistarini
Aug 9
EZE3:55 amBuenos Aires Ministro Pistarini
22h 49m
2 stops
LAS10:44 pmLas Vegas Harry Reid Intl
$976
LATAM Airlines
Sep 23
LAS11:00 amLas Vegas Harry Reid Intl
18h 20m
2 stops
EZE9:20 amBuenos Aires Ministro Pistarini
Sep 27
EZE3:55 amBuenos Aires Ministro Pistarini
22h 49m
2 stops
LAS10:44 pmLas Vegas Harry Reid Intl
$1,002
LATAM Airlines
Jun 7
LAS1:08 pmLas Vegas Harry Reid Intl
18h 22m
2 stops
EZE11:30 amBuenos Aires Ministro Pistarini
Jun 18
EZE10:40 pmBuenos Aires Ministro Pistarini
23h 16m
2 stops
LAS5:56 pmLas Vegas Harry Reid Intl
$1,024

United Airlines flights from Las Vegas to Buenos Aires

Our best United Airlines deals on Las Vegas to Buenos Aires flight tickets
United Airlines
Apr 9
LAS9:07 amLas Vegas Harry Reid Intl
18h 53m
2 stops
EZE8:00 amBuenos Aires Ministro Pistarini
May 22
EZE9:00 pmBuenos Aires Ministro Pistarini
24h 06m
2 stops
LAS5:06 pmLas Vegas Harry Reid Intl
$1,115
United Airlines
Apr 8
LAS10:20 amLas Vegas Harry Reid Intl
17h 40m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
Apr 22
EZE9:00 pmBuenos Aires Ministro Pistarini
16h 03m
1 stop
LAS9:03 amLas Vegas Harry Reid Intl
$1,164
United Airlines
Apr 12
LAS1:34 pmLas Vegas Harry Reid Intl
14h 26m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
Apr 30
EZE9:00 pmBuenos Aires Ministro Pistarini
16h 03m
1 stop
LAS9:03 amLas Vegas Harry Reid Intl
$1,543

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 huhtikuu 2, 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

to 6/11

3:36 pm-9:16 am

3 stops37h 40m

Buenos Aires Ministro Pistarini

ti 6/16

11:00 am-8:47 am

2 stops25h 47m

$811

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

to 6/11

2:55 pm-3:40 pm

2 stops20h 45m

Buenos Aires Ministro Pistarini

ti 6/16

11:00 am-8:47 am

2 stops25h 47m

$819

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

ti 6/2

2:55 pm-3:40 pm

2 stops20h 45m

Buenos Aires Ministro Pistarini

ti 6/23

11:00 am-12:55 pm

3 stops29h 55m

$837

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

ti 6/16

2:55 pm-12:25 am

2 stops29h 30m

Buenos Aires Ministro Pistarini

ke 8/5

4:50 pm-1:05 pm

2 stops24h 15m

$839

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

la 6/20

2:55 pm-3:40 pm

2 stops20h 45m

Buenos Aires Ministro Pistarini

ke 8/12

7:10 am-1:05 pm

2 stops33h 55m

$877

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

la 6/20

2:55 pm-5:40 am

2 stops34h 45m

Buenos Aires Jorge Newbery

pe 8/7

7:00 am-1:05 pm

2 stops34h 05m

$877

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

ti 4/14

11:39 pm-6:45 am

2 stops27h 06m

Buenos Aires Ministro Pistarini

ti 4/28

1:10 pm-11:26 am

1 stop26h 16m

$938

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

pe 5/22

1:15 pm-2:50 pm

2 stops21h 35m

Buenos Aires Jorge Newbery

ti 6/16

3:45 pm-4:46 pm

2 stops29h 01m

$1,075

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

ma 5/18

9:50 am-4:00 pm

2 stops26h 10m

Buenos Aires Jorge Newbery

ma 6/15

7:20 pm-2:02 pm

2 stops22h 42m

$1,083
Quickest round-trip

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

pe 7/3

1:08 pm-2:50 pm

2 stops21h 42m

Buenos Aires Jorge Newbery

ma 7/13

3:45 pm-12:12 pm

2 stops24h 27m

$1,114

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 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 April 2026, prices for Las Vegas to Buenos Aires flights are approximately 107% 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

14h 26m

Direct flights

None
The fastest flight from Las Vegas to Buenos Aires takes 14h 26m
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 14h 26m.

  • 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
1,578 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $625Free CancellationRating
7.4
9,533 reviews
Search United Airlines flights
DeltaPriceFrom $745Free CancellationRating
7.9
8,370 reviews
Search Delta flights
American AirlinesPriceFrom $750Free CancellationRating
7.1
11,550 reviews
Search American Airlines flights
LATAM AirlinesPriceFrom $789Free CancellationRating
7.4
1,907 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

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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