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Cheap flights from Las Vegas to Buenos Aires from $279

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 5/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
4:32 pm - 3:00 am
LAS
-
EZE
30h 28m
3 stops
Multiple Airlines Logo
6:35 am - 1:04 pm
EZE
-
LAS
34h 29m
3 stops
$725Multiple Airlines
Wed, Apr 8 - Tue, May 19
Multiple Airlines Logo
12:59 am - 8:30 am
LAS
-
AEP
27h 31m
3 stops
Multiple Airlines Logo
9:35 am - 11:26 am
AEP
-
LAS
53h 51m
3 stops
$764Multiple Airlines
Sun, Mar 29 - Mon, Apr 13
Delta Logo
7:00 am - 10:15 am
LAS
-
EZE
23h 15m
1 stop
Delta Logo
11:55 pm - 1:50 pm
EZE
-
LAS
17h 55m
1 stop
$785Delta
Tue, Mar 10 - Thu, Mar 19
LATAM Airlines Logo
11:55 am - 9:35 am
LAS
-
EZE
17h 40m
2 stops
LATAM Airlines Logo
11:55 pm - 1:50 pm
EZE
-
LAS
17h 55m
1 stop
$789LATAM Airlines
Tue, Mar 10 - Thu, Mar 19
Multiple Airlines Logo
5:00 pm - 3:00 am
LAS
-
EZE
30h 00m
3 stops
Multiple Airlines Logo
4:50 pm - 5:40 pm
EZE
-
LAS
28h 50m
3 stops
$800Multiple Airlines
Wed, Apr 8 - Wed, Apr 22
Multiple Airlines Logo
4:32 pm - 3:00 am
LAS
-
EZE
30h 28m
3 stops
Multiple Airlines Logo
10:45 pm - 10:54 pm
EZE
-
LAS
28h 09m
2 stops
$807Multiple Airlines
Wed, Apr 8 - Tue, May 19
Multiple Airlines Logo
4:32 pm - 8:30 am
LAS
-
AEP
35h 58m
3 stops
Multiple Airlines Logo
5:05 pm - 10:54 pm
AEP
-
LAS
33h 49m
3 stops
$833Multiple Airlines
Wed, Apr 8 - Tue, May 19
American Airlines Logo
12:56 pm - 8:20 am
LAS
-
EZE
15h 24m
1 stop
American Airlines Logo
10:25 pm - 5:54 pm
EZE
-
LAS
23h 29m
1 stop
$857American Airlines
Thu, Mar 19 - Fri, Mar 27
LATAM Airlines Logo
5:56 pm - 4:00 pm
LAS
-
AEP
18h 04m
2 stops
LATAM Airlines Logo
8:05 pm - 12:25 pm
AEP
-
LAS
20h 20m
2 stops
$858LATAM Airlines
Wed, Apr 8 - Tue, May 19
American Airlines Logo
7:00 am - 8:50 am
LAS
-
EZE
21h 50m
1 stop
American Airlines Logo
11:30 pm - 10:32 pm
EZE
-
LAS
27h 02m
1 stop
$859American Airlines
Sun, Mar 29 - Mon, Apr 6

American Airlines flights from Las Vegas to Buenos Aires

Our best American Airlines deals on Las Vegas to Buenos Aires flight tickets
American Airlines
Mar 19
LAS12:56 pmLas Vegas Harry Reid Intl
15h 24m
1 stop
EZE8:20 amBuenos Aires Ministro Pistarini
Mar 27
EZE10:25 pmBuenos Aires Ministro Pistarini
23h 29m
1 stop
LAS5:54 pmLas Vegas Harry Reid Intl
$857
American Airlines
Mar 29
LAS7:00 amLas Vegas Harry Reid Intl
21h 50m
1 stop
EZE8:50 amBuenos Aires Ministro Pistarini
Apr 6
EZE11:30 pmBuenos Aires Ministro Pistarini
27h 02m
1 stop
LAS10:32 pmLas Vegas Harry Reid Intl
$859
American Airlines
Mar 19
LAS12:56 pmLas Vegas Harry Reid Intl
17h 03m
2 stops
EZE9:59 amBuenos Aires Ministro Pistarini
Mar 27
EZE10:25 pmBuenos Aires Ministro Pistarini
23h 29m
1 stop
LAS5:54 pmLas Vegas Harry Reid Intl
$861

United Airlines flights from Las Vegas to Buenos Aires

Our best United Airlines deals on Las Vegas to Buenos Aires flight tickets
United Airlines
Mar 14
LAS12:36 amLas Vegas Harry Reid Intl
25h 44m
1 stop
EZE6:20 amBuenos Aires Ministro Pistarini
Apr 15
EZE9:00 pmBuenos Aires Ministro Pistarini
28h 57m
1 stop
LAS9:57 pmLas Vegas Harry Reid Intl
$897
United Airlines
Feb 18
LAS8:00 amLas Vegas Harry Reid Intl
18h 20m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Mar 24
EZE9:05 pmBuenos Aires Ministro Pistarini
18h 07m
1 stop
LAS11:12 amLas Vegas Harry Reid Intl
$900
United Airlines
Feb 18
LAS11:53 amLas Vegas Harry Reid Intl
16h 27m
2 stops
EZE9:20 amBuenos Aires Ministro Pistarini
Mar 24
EZE9:05 pmBuenos Aires Ministro Pistarini
20h 53m
1 stop
LAS1:58 pmLas Vegas Harry Reid Intl
$904

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 February 13, 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

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Wed 4/8

4:32 pm-3:00 am

3 stops30h 28m

Buenos Aires Ministro Pistarini

Tue 5/19

6:35 am-1:04 pm

3 stops34h 29m

$725

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Sun 3/29

12:59 am-8:30 am

3 stops27h 31m

Buenos Aires Jorge Newbery

Mon 4/13

9:35 am-11:26 am

3 stops53h 51m

$764

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Tue 3/10

7:00 am-10:15 am

1 stop23h 15m

Buenos Aires Ministro Pistarini

Thu 3/19

11:55 pm-1:50 pm

1 stop17h 55m

$785

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Tue 3/10

11:55 am-9:35 am

2 stops17h 40m

Buenos Aires Ministro Pistarini

Thu 3/19

11:55 pm-1:50 pm

1 stop17h 55m

$789

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Wed 4/8

5:00 pm-3:00 am

3 stops30h 00m

Buenos Aires Ministro Pistarini

Wed 4/22

4:50 pm-5:40 pm

3 stops28h 50m

$800

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Wed 4/8

4:32 pm-3:00 am

3 stops30h 28m

Buenos Aires Ministro Pistarini

Tue 5/19

10:45 pm-10:54 pm

2 stops28h 09m

$807

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Wed 4/8

4:32 pm-8:30 am

3 stops35h 58m

Buenos Aires Jorge Newbery

Tue 5/19

5:05 pm-10:54 pm

3 stops33h 49m

$833

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Thu 3/19

12:56 pm-8:20 am

1 stop15h 24m

Buenos Aires Ministro Pistarini

Fri 3/27

10:25 pm-5:54 pm

1 stop23h 29m

$857

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Wed 4/8

5:56 pm-4:00 pm

2 stops18h 04m

Buenos Aires Jorge Newbery

Tue 5/19

8:05 pm-12:25 pm

2 stops20h 20m

$858

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Sun 3/29

7:00 am-8:50 am

1 stop21h 50m

Buenos Aires Ministro Pistarini

Mon 4/6

11:30 pm-10:32 pm

1 stop27h 02m

$859

Flights are sorted by cheapest round-trip flights 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 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 far in advance should I book a flight to Buenos Aires?

You are more likely to see cheaper flights to Buenos Aires from Las Vegas when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $1,087 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from Las Vegas for as low as $802 on momondo.

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

As of February 2026, prices for Las Vegas to Buenos Aires flights are approximately 7% 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

16h 15m

Direct flights

None
The fastest flight from Las Vegas to Buenos Aires takes 16h 15m
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 16h 15m.

  • 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
1,559 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $625Free CancellationRating
7.4
9,289 reviews
Search United Airlines flights
DeltaPriceFrom $745Free CancellationRating
7.9
8,203 reviews
Search Delta flights
American AirlinesPriceFrom $750Free CancellationRating
7.2
11,288 reviews
Search American Airlines flights
LATAM AirlinesPriceFrom $789Free CancellationRating
7.5
1,920 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