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Cheap flights from Las Vegas to Buenos Aires from $310

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 6/2. 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.
LATAM Airlines Logo
5:56 pm - 4:00 pm
LAS
-
AEP
18h 04m2 stops
LATAM Airlines Logo
8:05 pm - 12:50 pm
AEP
-
LAS
20h 45m2 stops
$745LATAM Airlines
Wed, Apr 8 - Wed, Apr 22
LATAM Airlines Logo
9:27 am - 3:45 pm
LAS
-
EZE
26h 18m2 stops
LATAM Airlines Logo
8:10 pm - 10:35 am
EZE
-
LAS
18h 25m1 stop
$772LATAM Airlines
Thu, Apr 16 - Wed, Apr 22
Copa Airlines Logo
12:45 am - 2:30 am
LAS
-
EZE
21h 45m1 stop
Copa Airlines Logo
12:14 am - 10:30 pm
EZE
-
LAS
26h 16m1 stop
$773Copa Airlines
Tue, Apr 7 - Tue, Apr 21
LATAM Airlines Logo
5:56 pm - 6:21 pm
LAS
-
EZE
20h 25m3 stops
LATAM Airlines Logo
7:45 am - 11:06 pm
EZE
-
LAS
19h 21m2 stops
$777LATAM Airlines
Wed, Apr 8 - Wed, Apr 22
LATAM Airlines Logo
2:49 pm - 4:00 pm
LAS
-
AEP
21h 11m2 stops
LATAM Airlines Logo
8:05 pm - 12:50 pm
AEP
-
LAS
20h 45m2 stops
$777LATAM Airlines
Thu, Apr 16 - Wed, Apr 22
Copa Airlines Logo
1:58 am - 4:18 am
LAS
-
EZE
22h 20m1 stop
Copa Airlines Logo
12:23 am - 10:29 pm
EZE
-
LAS
26h 06m1 stop
$789Copa Airlines
Sun, Mar 8 - Wed, Mar 18
Multiple Airlines Logo
12:59 am - 9:20 am
LAS
-
EZE
27h 21m1 stop
Multiple Airlines Logo
11:55 pm - 2:48 pm
EZE
-
LAS
19h 53m1 stop
$797Multiple Airlines
Mon, Feb 16 - Fri, Feb 27
United Airlines Logo
6:00 am - 9:20 am
LAS
-
EZE
22h 20m1 stop
United Airlines Logo
11:55 pm - 8:23 pm
EZE
-
LAS
25h 28m1 stop
$801United Airlines
Fri, Feb 13 - Thu, Feb 26
American Airlines Logo
10:07 am - 8:20 am
LAS
-
EZE
18h 13m2 stops
American Airlines Logo
11:30 pm - 4:03 pm
EZE
-
LAS
20h 33m2 stops
$805American Airlines
Mon, Mar 9 - Mon, Mar 16
Multiple Airlines Logo
9:40 am - 7:40 pm
LAS
-
AEP
30h 00m3 stops
Multiple Airlines Logo
3:40 pm - 12:49 pm
AEP
-
LAS
49h 09m2 stops
$891Multiple Airlines
Thu, Apr 16 - Wed, Apr 22

Delta flights from Las Vegas to Buenos Aires

Our best Delta deals on Las Vegas to Buenos Aires flight tickets
Delta
Apr 15
LAS10:00 amLas Vegas Harry Reid Intl
19h 45m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
May 31
EZE8:10 pmBuenos Aires Ministro Pistarini
21h 31m
1 stop
LAS1:41 pmLas Vegas Harry Reid Intl
$855
Delta
Jan 20
LAS7:00 amLas Vegas Harry Reid Intl
22h 15m
1 stop
EZE10:15 amBuenos Aires Ministro Pistarini
Jan 28
EZE8:55 pmBuenos Aires Ministro Pistarini
16h 29m
1 stop
LAS8:24 amLas Vegas Harry Reid Intl
$974
Delta
Jan 20
LAS6:15 amLas Vegas Harry Reid Intl
23h 00m
2 stops
EZE10:15 amBuenos Aires Ministro Pistarini
Jan 28
EZE8:55 pmBuenos Aires Ministro Pistarini
16h 29m
1 stop
LAS8:24 amLas Vegas Harry Reid Intl
$978

Avianca flights from Las Vegas to Buenos Aires

Our best Avianca deals on Las Vegas to Buenos Aires flight tickets
Avianca
Jan 20
LAS2:10 pmLas Vegas Harry Reid Intl
29h 25m
2 stops
EZE12:35 amBuenos Aires Ministro Pistarini
Jan 28
EZE6:15 amBuenos Aires Ministro Pistarini
35h 15m
3 stops
LAS12:30 pmLas Vegas Harry Reid Intl
$1,053
Avianca
Jan 20
LAS2:10 pmLas Vegas Harry Reid Intl
29h 25m
2 stops
EZE12:35 amBuenos Aires Ministro Pistarini
Jan 28
EZE6:15 amBuenos Aires Ministro Pistarini
35h 15m
3 stops
LAS12:30 pmLas Vegas Harry Reid Intl
$1,054
Avianca
Jan 20
LAS2:10 pmLas Vegas Harry Reid Intl
29h 25m
2 stops
EZE12:35 amBuenos Aires Ministro Pistarini
Jan 28
EZE6:15 amBuenos Aires Ministro Pistarini
35h 15m
3 stops
LAS12:30 pmLas Vegas Harry Reid Intl
$1,112

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 January 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

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

Wed 4/22

8:05 pm-12:50 pm

2 stops20h 45m

$745

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Thu 4/16

9:27 am-3:45 pm

2 stops26h 18m

Buenos Aires Ministro Pistarini

Wed 4/22

8:10 pm-10:35 am

1 stop18h 25m

$772

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Tue 4/7

12:45 am-2:30 am

1 stop21h 45m

Buenos Aires Ministro Pistarini

Tue 4/21

12:14 am-10:30 pm

1 stop26h 16m

$773

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Wed 4/8

5:56 pm-6:21 pm

3 stops20h 25m

Buenos Aires Ministro Pistarini

Wed 4/22

7:45 am-11:06 pm

2 stops19h 21m

$777

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Thu 4/16

2:49 pm-4:00 pm

2 stops21h 11m

Buenos Aires Jorge Newbery

Wed 4/22

8:05 pm-12:50 pm

2 stops20h 45m

$777

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Sun 3/8

1:58 am-4:18 am

1 stop22h 20m

Buenos Aires Ministro Pistarini

Wed 3/18

12:23 am-10:29 pm

1 stop26h 06m

$789

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Mon 2/16

12:59 am-9:20 am

1 stop27h 21m

Buenos Aires Ministro Pistarini

Fri 2/27

11:55 pm-2:48 pm

1 stop19h 53m

$797

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Fri 2/13

6:00 am-9:20 am

1 stop22h 20m

Buenos Aires Ministro Pistarini

Thu 2/26

11:55 pm-8:23 pm

1 stop25h 28m

$801

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Mon 3/9

10:07 am-8:20 am

2 stops18h 13m

Buenos Aires Ministro Pistarini

Mon 3/16

11:30 pm-4:03 pm

2 stops20h 33m

$805

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Thu 4/16

9:40 am-7:40 pm

3 stops30h 00m

Buenos Aires Jorge Newbery

Wed 4/22

3:40 pm-12:49 pm

2 stops49h 09m

$891

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 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 June instead. Flights to Buenos Aires in June, while not as cheap as those in November, still average around $812.

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 $1,151 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 $804 on momondo.

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

As of January 2026, prices for Las Vegas to Buenos Aires flights are approximately 60% 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 56m

Direct flights

None
The fastest flight from Las Vegas to Buenos Aires takes 14h 56m
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 14h 56m.

  • 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
1,562 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $625Free CancellationRating
7.4
9,139 reviews
Search United Airlines flights
LATAM AirlinesPriceFrom $630Free CancellationRating
7.5
1,898 reviews
Search LATAM Airlines flights
DeltaPriceFrom $745Free CancellationRating
7.9
8,027 reviews
Search Delta flights
American AirlinesPriceFrom $750Free CancellationRating
7.2
11,097 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