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Cheap flights from Las Vegas to Buenos Aires from $352

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 6/14. 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.
Avianca Logo
2:55 pm - 3:40 pm
LAS
-
EZE
20h 45m
2 stops
Avianca Logo
4:50 pm - 1:05 pm
EZE
-
LAS
48h 15m
2 stops
$853Avianca
Tue, Aug 18 - Thu, Aug 27
Avianca Logo
2:55 pm - 5:40 am
LAS
-
AEP
34h 45m
2 stops
Avianca Logo
7:00 am - 1:05 pm
AEP
-
LAS
58h 05m
2 stops
$853Avianca
Tue, Aug 18 - Thu, Aug 27
Multiple Airlines Logo
12:35 am - 5:40 am
LAS
-
EZE
25h 05m
2 stops
Multiple Airlines Logo
8:00 am - 12:29 am
EZE
-
LAS
20h 29m
1 stop
$897Multiple Airlines
Mon, Jun 1 - Mon, Jun 15
Multiple Airlines Logo
12:35 am - 12:25 am
LAS
-
EZE
43h 50m
2 stops
Multiple Airlines Logo
8:00 am - 12:29 am
EZE
-
LAS
20h 29m
1 stop
$908Multiple Airlines
Fri, Jun 5 - Mon, Jun 15
Multiple Airlines Logo
11:50 pm - 5:40 am
LAS
-
EZE
25h 50m
3 stops
Multiple Airlines Logo
2:30 am - 10:37 pm
EZE
-
LAS
24h 07m
3 stops
$913Multiple Airlines
Fri, May 8 - Thu, May 14
Multiple Airlines Logo
12:35 am - 5:40 am
LAS
-
EZE
25h 05m
2 stops
Multiple Airlines Logo
8:00 am - 12:29 am
EZE
-
LAS
20h 29m
1 stop
$914Multiple Airlines
Mon, Jun 1 - Tue, Jun 16
Multiple Airlines Logo
11:58 pm - 9:16 am
LAS
-
EZE
29h 18m
3 stops
Multiple Airlines Logo
9:11 am - 9:38 pm
EZE
-
LAS
40h 27m
3 stops
$916Multiple Airlines
Thu, Apr 23 - Sun, Apr 26
LATAM Airlines Logo
5:59 pm - 4:00 pm
LAS
-
AEP
18h 01m
2 stops
LATAM Airlines Logo
9:00 pm - 10:49 pm
AEP
-
LAS
29h 49m
3 stops
$1,060LATAM Airlines
Mon, Oct 5 - Thu, Oct 15
LATAM Airlines Logo
7:05 am - 8:30 am
LAS
-
AEP
21h 25m
2 stops
LATAM Airlines Logo
5:35 pm - 12:13 pm
AEP
-
LAS
22h 38m
2 stops
$1,075LATAM Airlines
Wed, Jun 3 - Fri, Jun 12
Delta Logo
6:19 pm - 4:00 pm
LAS
-
AEP
17h 41m
2 stops
Delta Logo
8:05 pm - 2:18 pm
AEP
-
LAS
22h 13m
2 stops
$1,083Delta
Mon, Jun 1 - Fri, Jun 5

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 9
LAS1:05 pmLas Vegas Harry Reid Intl
18h 25m
2 stops
EZE11:30 amBuenos Aires Ministro Pistarini
Oct 24
EZE7:21 pmBuenos Aires Ministro Pistarini
21h 15m
2 stops
LAS12:36 pmLas Vegas Harry Reid Intl
$1,060
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
22h 06m
2 stops
LAS4:46 pmLas Vegas Harry Reid Intl
$1,064
LATAM Airlines
Jun 3
LAS7:05 amLas Vegas Harry Reid Intl
21h 25m
2 stops
AEP8:30 amBuenos Aires Jorge Newbery
Jun 12
AEP5:35 pmBuenos Aires Jorge Newbery
22h 38m
2 stops
LAS12:13 pmLas Vegas Harry Reid Intl
$1,075

Copa Airlines flights from Las Vegas to Buenos Aires

Our best Copa Airlines deals on Las Vegas to Buenos Aires flight tickets
Copa Airlines
Jun 2
LAS12:37 amLas Vegas Harry Reid Intl
23h 53m
1 stop
EZE4:30 amBuenos Aires Ministro Pistarini
Jun 9
EZE3:48 amBuenos Aires Ministro Pistarini
22h 42m
1 stop
LAS10:30 pmLas Vegas Harry Reid Intl
$1,071
Copa Airlines
Apr 19
LAS12:45 amLas Vegas Harry Reid Intl
21h 45m
1 stop
EZE2:30 amBuenos Aires Ministro Pistarini
Apr 22
EZE12:14 amBuenos Aires Ministro Pistarini
26h 16m
1 stop
LAS10:30 pmLas Vegas Harry Reid Intl
$1,152
Copa Airlines
Apr 22
LAS12:45 amLas Vegas Harry Reid Intl
23h 45m
1 stop
EZE4:30 amBuenos Aires Ministro Pistarini
Apr 25
EZE12:14 amBuenos Aires Ministro Pistarini
26h 16m
1 stop
LAS10:30 pmLas Vegas Harry Reid Intl
$1,175

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 April 14, 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

Tue 8/18

2:55 pm-3:40 pm

2 stops20h 45m

Buenos Aires Ministro Pistarini

Thu 8/27

4:50 pm-1:05 pm

2 stops48h 15m

$853

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Tue 8/18

2:55 pm-5:40 am

2 stops34h 45m

Buenos Aires Jorge Newbery

Thu 8/27

7:00 am-1:05 pm

2 stops58h 05m

$853

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Mon 6/1

12:35 am-5:40 am

2 stops25h 05m

Buenos Aires Ministro Pistarini

Mon 6/15

8:00 am-12:29 am

1 stop20h 29m

$897

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Fri 6/5

12:35 am-12:25 am

2 stops43h 50m

Buenos Aires Ministro Pistarini

Mon 6/15

8:00 am-12:29 am

1 stop20h 29m

$908

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Fri 5/8

11:50 pm-5:40 am

3 stops25h 50m

Buenos Aires Ministro Pistarini

Thu 5/14

2:30 am-10:37 pm

3 stops24h 07m

$913

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Mon 6/1

12:35 am-5:40 am

2 stops25h 05m

Buenos Aires Ministro Pistarini

Tue 6/16

8:00 am-12:29 am

1 stop20h 29m

$914

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Thu 4/23

11:58 pm-9:16 am

3 stops29h 18m

Buenos Aires Ministro Pistarini

Sun 4/26

9:11 am-9:38 pm

3 stops40h 27m

$916

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Mon 10/5

5:59 pm-4:00 pm

2 stops18h 01m

Buenos Aires Jorge Newbery

Thu 10/15

9:00 pm-10:49 pm

3 stops29h 49m

$1,060

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Wed 6/3

7:05 am-8:30 am

2 stops21h 25m

Buenos Aires Jorge Newbery

Fri 6/12

5:35 pm-12:13 pm

2 stops22h 38m

$1,075
Quickest round-trip

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Mon 6/1

6:19 pm-4:00 pm

2 stops17h 41m

Buenos Aires Jorge Newbery

Fri 6/5

8:05 pm-2:18 pm

2 stops22h 13m

$1,083

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?

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 111% 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

15h 42m

Direct flights

None
The fastest flight from Las Vegas to Buenos Aires takes 15h 42m
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 42m.

  • 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
1,574 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $625Free CancellationRating
7.4
9,581 reviews
Search United Airlines flights
DeltaPriceFrom $745Free CancellationRating
7.9
8,405 reviews
Search Delta flights
American AirlinesPriceFrom $750Free CancellationRating
7.1
11,574 reviews
Search American Airlines flights
LATAM AirlinesPriceFrom $846Free CancellationRating
7.4
1,909 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.

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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