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Cheap flights from Las Vegas to Buenos Aires from $294

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 8/31. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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 - 5:40 am
LAS
-
AEP
34h 45m
2 stops
Avianca Logo
7:00 am - 1:05 pm
AEP
-
LAS
34h 05m
2 stops
$840Avianca
Thu, Aug 20 - Mon, Aug 24
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
$857Avianca
Tue, Aug 18 - Thu, Aug 27
Avianca Logo
2:55 pm - 5:40 am
LAS
-
EZE
34h 45m
2 stops
Avianca Logo
7:10 am - 1:05 pm
EZE
-
LAS
33h 55m
2 stops
$878Avianca
Thu, Aug 20 - Mon, Aug 24
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
$878Avianca
Thu, Aug 20 - Mon, Aug 24
LATAM Airlines Logo
6:35 am - 6:10 am
LAS
-
EZE
19h 35m
2 stops
LATAM Airlines Logo
7:45 pm - 11:47 am
EZE
-
LAS
21h 02m
2 stops
$903LATAM Airlines
Mon, Sep 7 - Mon, Nov 2
LATAM Airlines Logo
7:00 am - 6:20 am
LAS
-
EZE
18h 20m
2 stops
LATAM Airlines Logo
12:15 pm - 4:54 pm
EZE
-
LAS
33h 39m
2 stops
$906LATAM Airlines
Thu, Nov 12 - Thu, Nov 19
Multiple Airlines Logo
9:41 pm - 3:00 am
LAS
-
EZE
25h 19m
2 stops
Multiple Airlines Logo
8:59 am - 10:30 pm
EZE
-
LAS
17h 31m
1 stop
$913Multiple Airlines
Mon, Aug 31 - Tue, Sep 15
Copa Airlines Logo
12:45 am - 3:52 am
LAS
-
EZE
22h 07m
1 stop
Copa Airlines Logo
8:56 am - 10:30 pm
EZE
-
LAS
18h 34m
1 stop
$926Copa Airlines
Wed, Nov 11 - Thu, Nov 19
United Airlines Logo
3:41 pm - 7:20 am
LAS
-
EZE
34h 39m
1 stop
United Airlines Logo
11:55 pm - 8:35 pm
EZE
-
LAS
25h 40m
2 stops
$929United Airlines
Thu, Nov 12 - Thu, Nov 19
Multiple Airlines Logo
12:30 pm - 6:40 pm
LAS
-
AEP
25h 10m
2 stops
Multiple Airlines Logo
9:00 pm - 11:03 am
AEP
-
LAS
43h 03m
2 stops
$998Multiple Airlines
Thu, Nov 12 - Thu, Nov 19

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Delta flights from Las Vegas to Buenos Aires

Our best Delta deals on Las Vegas to Buenos Aires flight tickets
Delta
Aug 31
LAS10:31 amLas Vegas Harry Reid Intl
19h 09m
2 stops
EZE9:40 amBuenos Aires Ministro Pistarini
Sep 15
EZE7:35 amBuenos Aires Ministro Pistarini
19h 51m
2 stops
LAS11:26 pmLas Vegas Harry Reid Intl
$928
Delta
Aug 31
LAS10:31 amLas Vegas Harry Reid Intl
19h 09m
2 stops
EZE9:40 amBuenos Aires Ministro Pistarini
Sep 15
EZE7:35 amBuenos Aires Ministro Pistarini
19h 51m
2 stops
LAS11:26 pmLas Vegas Harry Reid Intl
$931
Delta
Aug 31
LAS10:31 amLas Vegas Harry Reid Intl
19h 09m
2 stops
EZE9:40 amBuenos Aires Ministro Pistarini
Sep 15
EZE8:10 pmBuenos Aires Ministro Pistarini
26h 03m
1 stop
LAS6:13 pmLas Vegas Harry Reid Intl
$933

United Airlines flights from Las Vegas to Buenos Aires

Our best United Airlines deals on Las Vegas to Buenos Aires flight tickets
United Airlines
Nov 12
LAS3:41 pmLas Vegas Harry Reid Intl
34h 39m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Nov 19
EZE11:55 pmBuenos Aires Ministro Pistarini
25h 40m
2 stops
LAS8:35 pmLas Vegas Harry Reid Intl
$929
United Airlines
Nov 12
LAS4:59 pmLas Vegas Harry Reid Intl
33h 21m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Nov 21
EZE11:55 pmBuenos Aires Ministro Pistarini
20h 58m
1 stop
LAS3:53 pmLas Vegas Harry Reid Intl
$949
United Airlines
Aug 18
LAS7:45 amLas Vegas Harry Reid Intl
20h 15m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
Aug 27
EZE9:00 pmBuenos Aires Ministro Pistarini
15h 49m
1 stop
LAS8:49 amLas Vegas Harry Reid Intl
$973

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 July 12, 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 - AEP

LASAEP

Las Vegas Harry Reid Intl

Thu 8/20

2:55 pm-5:40 am

2 stops34h 45m

Buenos Aires Jorge Newbery

Mon 8/24

7:00 am-1:05 pm

2 stops34h 05m

$840

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Tue 8/18

2:55 pm-12:25 am

2 stops29h 30m

Buenos Aires Ministro Pistarini

Thu 8/27

4:50 pm-1:05 pm

2 stops48h 15m

$857

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Thu 8/20

2:55 pm-5:40 am

2 stops34h 45m

Buenos Aires Ministro Pistarini

Mon 8/24

7:10 am-1:05 pm

2 stops33h 55m

$878

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Thu 8/20

2:55 pm-5:40 am

2 stops34h 45m

Buenos Aires Jorge Newbery

Mon 8/24

7:00 am-1:05 pm

2 stops34h 05m

$878
Quickest round-trip

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Mon 9/7

6:35 am-6:10 am

2 stops19h 35m

Buenos Aires Ministro Pistarini

Mon 11/2

7:45 pm-11:47 am

2 stops21h 02m

$903

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Thu 11/12

7:00 am-6:20 am

2 stops18h 20m

Buenos Aires Ministro Pistarini

Thu 11/19

12:15 pm-4:54 pm

2 stops33h 39m

$906

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Mon 8/31

9:41 pm-3:00 am

2 stops25h 19m

Buenos Aires Ministro Pistarini

Tue 9/15

8:59 am-10:30 pm

1 stop17h 31m

$913

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Wed 11/11

12:45 am-3:52 am

1 stop22h 07m

Buenos Aires Ministro Pistarini

Thu 11/19

8:56 am-10:30 pm

1 stop18h 34m

$926

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Thu 11/12

3:41 pm-7:20 am

1 stop34h 39m

Buenos Aires Ministro Pistarini

Thu 11/19

11:55 pm-8:35 pm

2 stops25h 40m

$929

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Thu 11/12

12:30 pm-6:40 pm

2 stops25h 10m

Buenos Aires Jorge Newbery

Thu 11/19

9:00 pm-11:03 am

2 stops43h 03m

$998

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 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 $613, 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 February instead. Flights to Buenos Aires in February, while not as cheap as those in November, still average around $622.

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

18h 11m

Direct flights

None
The fastest flight from Las Vegas to Buenos Aires takes 18h 11m
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 18h 11m.

  • 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
1,560 reviews
Search Copa Airlines flights
LATAM AirlinesPriceFrom $630Free CancellationRating
7.4
1,954 reviews
Search LATAM Airlines flights
United AirlinesPriceFrom $685Free CancellationRating
7.4
9,981 reviews
Search United Airlines flights
DeltaPriceFrom $745Free CancellationRating
7.8
8,463 reviews
Search Delta flights
American AirlinesPriceFrom $750Free CancellationRating
7.1
11,814 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