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Cheap flights from Las Vegas to Buenos Aires from $365

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 7/7. 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
24h 15m
2 stops
$851Avianca
Tue, Aug 11 - Wed, Aug 26
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
$851Avianca
Tue, Aug 11 - Wed, Aug 26
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
$868Avianca
Tue, Aug 11 - Tue, Aug 25
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
Thu, Aug 13 - Wed, Aug 26
LATAM Airlines Logo
12:08 am - 8:00 pm
LAS
-
AEP
39h 52m
2 stops
LATAM Airlines Logo
3:45 pm - 4:10 pm
AEP
-
LAS
28h 25m
2 stops
$887LATAM Airlines
Sun, Aug 23 - Wed, Aug 26
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
$889Avianca
Tue, Aug 11 - Fri, Aug 28
Avianca Logo
2:55 pm - 12:25 am
LAS
-
EZE
29h 30m
2 stops
Avianca Logo
4:50 pm - 1:05 pm
EZE
-
LAS
48h 15m
2 stops
$893Avianca
Tue, Jun 9 - Tue, Jun 16
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
$894Avianca
Thu, Aug 13 - Thu, Aug 27
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
$906Avianca
Tue, Aug 11 - Tue, Aug 25
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
$967Multiple Airlines
Tue, Aug 18 - Sun, Aug 30

LATAM Airlines flights from Las Vegas to Buenos Aires

Our best LATAM Airlines deals on Las Vegas to Buenos Aires flight tickets
LATAM Airlines
Aug 23
LAS12:08 amLas Vegas Harry Reid Intl
39h 52m
2 stops
AEP8:00 pmBuenos Aires Jorge Newbery
Aug 26
AEP3:45 pmBuenos Aires Jorge Newbery
28h 25m
2 stops
LAS4:10 pmLas Vegas Harry Reid Intl
$887
LATAM Airlines
Sep 30
LAS6:00 amLas Vegas Harry Reid Intl
23h 40m
2 stops
EZE9:40 amBuenos Aires Ministro Pistarini
Feb 1
EZE11:35 pmBuenos Aires Ministro Pistarini
16h 50m
1 stop
LAS11:25 amLas Vegas Harry Reid Intl
$1,001
LATAM Airlines
Sep 30
LAS11:00 amLas Vegas Harry Reid Intl
18h 45m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
Feb 1
EZE11:35 pmBuenos Aires Ministro Pistarini
16h 50m
1 stop
LAS11:25 amLas Vegas Harry Reid Intl
$1,065

Delta flights from Las Vegas to Buenos Aires

Our best Delta deals on Las Vegas to Buenos Aires flight tickets
Delta
Jul 11
LAS7:05 amLas Vegas Harry Reid Intl
22h 40m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
Jul 27
EZE8:10 pmBuenos Aires Ministro Pistarini
18h 52m
1 stop
LAS11:02 amLas Vegas Harry Reid Intl
$1,117
Delta
Jun 1
LAS10:10 pmLas Vegas Harry Reid Intl
31h 30m
2 stops
EZE9:40 amBuenos Aires Ministro Pistarini
Jun 13
EZE8:10 pmBuenos Aires Ministro Pistarini
16h 28m
1 stop
LAS8:38 amLas Vegas Harry Reid Intl
$1,218
Delta
Sep 30
LAS6:00 amLas Vegas Harry Reid Intl
21h 40m
2 stops
AEP7:40 amBuenos Aires Jorge Newbery
Oct 23
AEP8:05 pmBuenos Aires Jorge Newbery
21h 40m
2 stops
LAS1:45 pmLas Vegas Harry Reid Intl
$1,346

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 May 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

Tue 8/11

2:55 pm-3:40 pm

2 stops20h 45m

Buenos Aires Ministro Pistarini

Wed 8/26

4:50 pm-1:05 pm

2 stops24h 15m

$851

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Tue 8/11

2:55 pm-5:40 am

2 stops34h 45m

Buenos Aires Jorge Newbery

Wed 8/26

7:00 am-1:05 pm

2 stops34h 05m

$851

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Tue 8/11

2:55 pm-5:40 am

2 stops34h 45m

Buenos Aires Jorge Newbery

Tue 8/25

7:00 am-1:05 pm

2 stops58h 05m

$868

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Thu 8/13

2:55 pm-5:40 am

2 stops34h 45m

Buenos Aires Jorge Newbery

Wed 8/26

7:00 am-1:05 pm

2 stops34h 05m

$877

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Sun 8/23

12:08 am-8:00 pm

2 stops39h 52m

Buenos Aires Jorge Newbery

Wed 8/26

3:45 pm-4:10 pm

2 stops28h 25m

$887

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Tue 8/11

2:55 pm-5:40 am

2 stops34h 45m

Buenos Aires Jorge Newbery

Fri 8/28

7:00 am-1:05 pm

2 stops34h 05m

$889

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Tue 6/9

2:55 pm-12:25 am

2 stops29h 30m

Buenos Aires Ministro Pistarini

Tue 6/16

4:50 pm-1:05 pm

2 stops48h 15m

$893

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Thu 8/13

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

$894

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Tue 8/11

2:55 pm-3:40 pm

2 stops20h 45m

Buenos Aires Ministro Pistarini

Tue 8/25

4:50 pm-1:05 pm

2 stops48h 15m

$906
Quickest 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

Sun 8/30

1:35 am-6:17 pm

2 stops20h 42m

$967

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 October. Flight prices, which tend to average around $264, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Buenos Aires from Las Vegas during November instead. Flights to Buenos Aires in November, while not as cheap as those in October, still average around $613.

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

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
1,577 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $625Free CancellationRating
7.4
9,736 reviews
Search United Airlines flights
DeltaPriceFrom $745Free CancellationRating
7.9
8,449 reviews
Search Delta flights
American AirlinesPriceFrom $750Free CancellationRating
7.1
11,648 reviews
Search American Airlines flights
LATAM AirlinesPriceFrom $846Free CancellationRating
7.4
1,924 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