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Cheap flights from Las Vegas to Buenos Aires from $360

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 6/16. 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
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
2:55 pm - 3:40 pm
LAS
-
EZE
20h 45m
2 stops
Multiple Airlines Logo
1:35 am - 6:17 pm
EZE
-
LAS
20h 42m
2 stops
$919Multiple Airlines
ter, ago 18 - dom, ago 30
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
$922Avianca
ter, jun 2 - sex, jun 5
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
$922Avianca
ter, jun 2 - sex, jun 5
Avianca Logo
2:55 pm - 3:40 pm
LAS
-
EZE
20h 45m
2 stops
Avianca Logo
4:50 pm - 1:05 pm
EZE
-
LAS
24h 15m
2 stops
$925Avianca
ter, jun 9 - seg, jun 15
LATAM Airlines Logo
1:08 pm - 11:30 am
LAS
-
EZE
18h 22m
2 stops
LATAM Airlines Logo
3:55 am - 10:48 pm
EZE
-
LAS
22h 53m
2 stops
$927LATAM Airlines
seg, jun 8 - ter, jun 23
LATAM Airlines Logo
1:08 pm - 2:50 pm
LAS
-
AEP
21h 42m
2 stops
LATAM Airlines Logo
7:20 pm - 12:13 pm
AEP
-
LAS
20h 53m
2 stops
$927LATAM Airlines
seg, jun 8 - qua, jun 24
Copa Airlines Logo
12:37 am - 2:30 am
LAS
-
EZE
21h 53m
1 stop
Copa Airlines Logo
9:02 am - 10:30 pm
EZE
-
LAS
17h 28m
1 stop
$935Copa Airlines
dom, jun 7 - qua, jun 24
Delta Logo
7:30 pm - 6:50 pm
LAS
-
EZE
19h 20m
2 stops
Delta Logo
7:35 am - 10:48 pm
EZE
-
LAS
19h 13m
2 stops
$938Delta
seg, jun 8 - qua, jun 24
Delta Logo
6:45 am - 4:00 pm
LAS
-
AEP
29h 15m
2 stops
Delta Logo
7:20 pm - 12:13 pm
AEP
-
LAS
20h 53m
2 stops
$938Delta
seg, jun 8 - qua, jun 24
United Airlines Logo
3:33 pm - 8:00 am
LAS
-
EZE
36h 27m
1 stop
United Airlines Logo
9:00 pm - 6:23 pm
EZE
-
LAS
25h 23m
1 stop
$958United Airlines
dom, jun 7 - qui, jun 18

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Avianca flights from Las Vegas to Buenos Aires

Our best Avianca deals on Las Vegas to Buenos Aires flight tickets
Avianca
Jun 2
LAS2:55 pmLas Vegas Harry Reid Intl
20h 45m
2 stops
EZE3:40 pmBuenos Aires Ministro Pistarini
Jun 5
EZE7:10 amBuenos Aires Ministro Pistarini
33h 55m
2 stops
LAS1:05 pmLas Vegas Harry Reid Intl
$922
Avianca
Jun 9
LAS2:55 pmLas Vegas Harry Reid Intl
20h 45m
2 stops
EZE3:40 pmBuenos Aires Ministro Pistarini
Jun 15
EZE4:50 pmBuenos Aires Ministro Pistarini
24h 15m
2 stops
LAS1:05 pmLas Vegas Harry Reid Intl
$925
Avianca
Jun 9
LAS2:55 pmLas Vegas Harry Reid Intl
34h 45m
2 stops
AEP5:40 amBuenos Aires Jorge Newbery
Jun 15
AEP7:00 amBuenos Aires Jorge Newbery
34h 05m
2 stops
LAS1:05 pmLas Vegas Harry Reid Intl
$963

United Airlines flights from Las Vegas to Buenos Aires

Our best United Airlines deals on Las Vegas to Buenos Aires flight tickets
United Airlines
Jun 7
LAS3:33 pmLas Vegas Harry Reid Intl
36h 27m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
Jun 18
EZE9:00 pmBuenos Aires Ministro Pistarini
25h 23m
1 stop
LAS6:23 pmLas Vegas Harry Reid Intl
$958
United Airlines
Sep 29
LAS12:30 amLas Vegas Harry Reid Intl
27h 30m
2 stops
EZE8:00 amBuenos Aires Ministro Pistarini
Feb 1
EZE11:55 pmBuenos Aires Ministro Pistarini
16h 25m
1 stop
LAS11:20 amLas Vegas Harry Reid Intl
$1,015
United Airlines
Sep 30
LAS10:25 amLas Vegas Harry Reid Intl
17h 35m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
Feb 1
EZE11:55 pmBuenos Aires Ministro Pistarini
18h 50m
1 stop
LAS1:45 pmLas Vegas Harry Reid Intl
$1,083

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 abril 18, 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

ter 8/18

2:55 pm-3:40 pm

2 stops20h 45m

Buenos Aires Ministro Pistarini

dom 8/30

1:35 am-6:17 pm

2 stops20h 42m

$919

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

ter 6/2

2:55 pm-3:40 pm

2 stops20h 45m

Buenos Aires Ministro Pistarini

sex 6/5

7:10 am-1:05 pm

2 stops33h 55m

$922

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

ter 6/2

2:55 pm-5:40 am

2 stops34h 45m

Buenos Aires Jorge Newbery

sex 6/5

7:00 am-1:05 pm

2 stops34h 05m

$922

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

ter 6/9

2:55 pm-3:40 pm

2 stops20h 45m

Buenos Aires Ministro Pistarini

seg 6/15

4:50 pm-1:05 pm

2 stops24h 15m

$925

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

seg 6/8

1:08 pm-11:30 am

2 stops18h 22m

Buenos Aires Ministro Pistarini

ter 6/23

3:55 am-10:48 pm

2 stops22h 53m

$927

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

seg 6/8

1:08 pm-2:50 pm

2 stops21h 42m

Buenos Aires Jorge Newbery

qua 6/24

7:20 pm-12:13 pm

2 stops20h 53m

$927

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

dom 6/7

12:37 am-2:30 am

1 stop21h 53m

Buenos Aires Ministro Pistarini

qua 6/24

9:02 am-10:30 pm

1 stop17h 28m

$935
Quickest round-trip

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

seg 6/8

7:30 pm-6:50 pm

2 stops19h 20m

Buenos Aires Ministro Pistarini

qua 6/24

7:35 am-10:48 pm

2 stops19h 13m

$938

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

seg 6/8

6:45 am-4:00 pm

2 stops29h 15m

Buenos Aires Jorge Newbery

qua 6/24

7:20 pm-12:13 pm

2 stops20h 53m

$938

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

dom 6/7

3:33 pm-8:00 am

1 stop36h 27m

Buenos Aires Ministro Pistarini

qui 6/18

9:00 pm-6:23 pm

1 stop25h 23m

$958

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 05m

Direct flights

None
The fastest flight from Las Vegas to Buenos Aires takes 15h 05m
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 05m.

  • 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
1,576 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $625Free CancellationRating
7.4
9,603 reviews
Search United Airlines flights
DeltaPriceFrom $745Free CancellationRating
7.9
8,423 reviews
Search Delta flights
American AirlinesPriceFrom $750Free CancellationRating
7.1
11,608 reviews
Search American Airlines flights
LATAM AirlinesPriceFrom $846Free CancellationRating
7.4
1,908 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