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Cheap flights from Las Vegas to Buenos Aires from $333

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 11/17. 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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Copa Airlines Logo
12:51 am - 10:31 pmLAS-EZE
16h 40m1 stop
Copa Airlines Logo
10:01 am - 10:29 pmEZE-LAS
17h 28m1 stop
$610Copa Airlines
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Wed, Nov 5 - Wed, Nov 19
United Airlines Logo
6:00 am - 7:20 amLAS-EZE
20h 20m1 stop
United Airlines Logo
10:05 pm - 8:56 amEZE-LAS
15h 51m1 stop
$626United Airlines
Find Deal
Fri, Nov 14 - Tue, Nov 18
American Airlines Logo
11:46 am - 10:40 amLAS-EZE
17h 54m1 stop
American Airlines Logo
11:59 pm - 2:58 pmEZE-LAS
19h 59m2 stops
$642American Airlines
Find Deal
Fri, Nov 14 - Tue, Nov 18
LATAM Airlines Logo
9:25 am - 9:30 pmLAS-AEP
32h 05m2 stops
LATAM Airlines Logo
8:25 pm - 12:38 pmAEP-LAS
20h 13m2 stops
$651LATAM Airlines
Find Deal
Tue, Mar 24 - Thu, Mar 26
American Airlines Logo
12:56 pm - 8:10 amLAS-EZE
14h 14m1 stop
American Airlines Logo
8:45 pm - 10:46 amEZE-LAS
19h 01m1 stop
$691American Airlines
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Thu, Nov 6 - Wed, Nov 19
Delta Logo
11:26 am - 1:55 pmLAS-EZE
22h 29m2 stops
Delta Logo
4:05 am - 10:29 pmEZE-LAS
23h 24m2 stops
$746Delta
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Tue, Oct 21 - Sun, Nov 2
Delta Logo
10:10 pm - 10:15 amLAS-EZE
32h 05m2 stops
Delta Logo
8:55 pm - 9:24 amEZE-LAS
17h 29m1 stop
$750Delta
Find Deal
Fri, Oct 24 - Tue, Nov 4
LATAM Airlines Logo
12:35 am - 9:35 amLAS-EZE
28h 00m2 stops
LATAM Airlines Logo
8:00 am - 11:42 pmEZE-LAS
20h 42m2 stops
$761LATAM Airlines
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Sat, Jan 3 - Wed, Feb 11
Multiple Airlines Logo
9:00 am - 7:30 amLAS-AEP
41h 30m3 stops
Multiple Airlines Logo
7:00 am - 7:52 pmAEP-LAS
41h 52m3 stops
$847Multiple Airlines
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Fri, Nov 14 - Tue, Nov 18
Multiple Airlines Logo
11:11 am - 7:30 amLAS-AEP
63h 19m3 stops
Multiple Airlines Logo
4:40 am - 3:41 pmAEP-LAS
40h 01m3 stops
$862Multiple Airlines
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Fri, Nov 7 - Thu, Nov 13

Delta flights from Las Vegas to Buenos Aires

Our best Delta deals on Las Vegas to Buenos Aires flight tickets
Delta
Oct 21
LAS11:26 amLas Vegas Harry Reid Intl
22h 29m
2 stops
EZE1:55 pmBuenos Aires Ministro Pistarini
Nov 2
EZE4:05 amBuenos Aires Ministro Pistarini
23h 24m
2 stops
LAS10:29 pmLas Vegas Harry Reid Intl
$746
Find similar
Delta
Oct 24
LAS11:54 pmLas Vegas Harry Reid Intl
30h 21m
2 stops
EZE10:15 amBuenos Aires Ministro Pistarini
Nov 2
EZE10:25 pmBuenos Aires Ministro Pistarini
21h 12m
1 stop
LAS2:37 pmLas Vegas Harry Reid Intl
$750
Find similar
Delta
Jan 5
LAS7:23 amLas Vegas Harry Reid Intl
18h 57m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Feb 7
EZE11:55 pmBuenos Aires Ministro Pistarini
24h 01m
1 stop
LAS6:56 pmLas Vegas Harry Reid Intl
$757
Find similar

LATAM Airlines flights from Las Vegas to Buenos Aires

Our best LATAM Airlines deals on Las Vegas to Buenos Aires flight tickets
LATAM Airlines
Mar 24
LAS9:25 amLas Vegas Harry Reid Intl
32h 05m
2 stops
AEP9:30 pmBuenos Aires Jorge Newbery
Mar 26
AEP8:25 pmBuenos Aires Jorge Newbery
20h 13m
2 stops
LAS12:38 pmLas Vegas Harry Reid Intl
$651
Find similar
LATAM Airlines
Oct 18
LAS1:36 pmLas Vegas Harry Reid Intl
20h 24m
2 stops
AEP2:00 pmBuenos Aires Jorge Newbery
Nov 5
AEP3:40 pmBuenos Aires Jorge Newbery
22h 58m
2 stops
LAS9:38 amLas Vegas Harry Reid Intl
$746
Find similar
LATAM Airlines
Jan 3
LAS12:35 amLas Vegas Harry Reid Intl
28h 00m
2 stops
EZE9:35 amBuenos Aires Ministro Pistarini
Feb 11
EZE8:00 amBuenos Aires Ministro Pistarini
20h 42m
2 stops
LAS11:42 pmLas Vegas Harry Reid Intl
$761
Find similar

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 October 9, 2025.
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 - EZE

LASEZE

Las Vegas Harry Reid Intl

Wed 11/5

12:51 am-10:31 pm

1 stop16h 40m

Buenos Aires Ministro Pistarini

Wed 11/19

10:01 am-10:29 pm

1 stop17h 28m

$610

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Fri 11/14

6:00 am-7:20 am

1 stop20h 20m

Buenos Aires Ministro Pistarini

Tue 11/18

10:05 pm-8:56 am

1 stop15h 51m

$626

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Fri 11/14

11:46 am-10:40 am

1 stop17h 54m

Buenos Aires Ministro Pistarini

Tue 11/18

11:59 pm-2:58 pm

2 stops19h 59m

$642

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Tue 3/24

9:25 am-9:30 pm

2 stops32h 05m

Buenos Aires Jorge Newbery

Thu 3/26

8:25 pm-12:38 pm

2 stops20h 13m

$651

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Thu 11/6

12:56 pm-8:10 am

1 stop14h 14m

Buenos Aires Ministro Pistarini

Wed 11/19

8:45 pm-10:46 am

1 stop19h 01m

$691

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Tue 10/21

11:26 am-1:55 pm

2 stops22h 29m

Buenos Aires Ministro Pistarini

Sun 11/2

4:05 am-10:29 pm

2 stops23h 24m

$746

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Fri 10/24

10:10 pm-10:15 am

2 stops32h 05m

Buenos Aires Ministro Pistarini

Tue 11/4

8:55 pm-9:24 am

1 stop17h 29m

$750

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Sat 1/3

12:35 am-9:35 am

2 stops28h 00m

Buenos Aires Ministro Pistarini

Wed 2/11

8:00 am-11:42 pm

2 stops20h 42m

$761

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Fri 11/14

9:00 am-7:30 am

3 stops41h 30m

Buenos Aires Jorge Newbery

Tue 11/18

7:00 am-7:52 pm

3 stops41h 52m

$847

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Fri 11/7

11:11 am-7:30 am

3 stops63h 19m

Buenos Aires Jorge Newbery

Thu 11/13

4:40 am-3:41 pm

3 stops40h 01m

$862

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 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 $713, 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 October instead. Flights to Buenos Aires in October, while not as cheap as those in November, still average around $871.

What is the cheapest day to depart on your flight to Buenos Aires?

On average, the least expensive day to fly to Buenos Aires from Las Vegas is on a Thursday. momondo users have found tickets for Thursday departures for as low as $950. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Sunday is $1,137.

What is the cheapest time of day to depart on your flight to Buenos Aires?

Our most recent data shows that the best time of day to fly to Buenos Aires is in the afternoon. Flights from Las Vegas to Buenos Aires during this time can be as low as $984. Try not to purchase tickets at noon because they tend to be around $1,072. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $1,172 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 $773 on momondo.

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

As of October 2025, prices for Las Vegas to Buenos Aires flights are approximately 5% cheaper 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

Direct flights

None
There are no direct flights from Las Vegas to Buenos Aires. There are no popular flight routes from Las Vegas to Buenos Aires.
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  • 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 14m.

  • 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
United AirlinesPriceFrom $625Free CancellationRating
7.4
8,968 reviews
Search United Airlines flights
LATAM AirlinesPriceFrom $630Free CancellationRating
7.5
1,861 reviews
Search LATAM Airlines flights
Copa AirlinesPriceFrom $651Free CancellationRating
7.6
1,545 reviews
Search Copa Airlines flights
American AirlinesPriceFrom $778Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights
DeltaPriceFrom $791Free CancellationRating
7.9
7,969 reviews
Search Delta 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