Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Las Vegas to Buenos Aires from $327

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 11/13. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Las Vegas to Buenos Aires

Cheap round-trip flights

American Airlines Logo
8:30 am - 7:00 amLAS-EZE
17h 30m1 stop
American Airlines Logo
11:59 pm - 11:34 amEZE-LAS
16h 35m1 stop
$685American Airlines
Find Deal
Tue, Nov 11 - Fri, Nov 14
American Airlines Logo
10:00 am - 8:10 amLAS-EZE
17h 10m1 stop
American Airlines Logo
11:20 pm - 1:41 pmEZE-LAS
19h 21m2 stops
$690American Airlines
Find Deal
Tue, Nov 11 - Fri, Nov 14
United Airlines Logo
12:59 am - 7:20 amLAS-EZE
25h 21m1 stop
United Airlines Logo
11:55 pm - 1:31 pmEZE-LAS
18h 36m1 stop
$694United Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 12
United Airlines Logo
10:00 am - 6:20 amLAS-EZE
16h 20m1 stop
United Airlines Logo
10:05 pm - 2:31 pmEZE-LAS
20h 26m1 stop
$715United Airlines
Find Deal
Sat, Oct 25 - Sat, Nov 1
LATAM Airlines Logo
9:43 am - 2:55 pmLAS-EZE
24h 12m2 stops
LATAM Airlines Logo
4:05 am - 12:25 amEZE-LAS
25h 20m2 stops
$745LATAM Airlines
Find Deal
Thu, Nov 6 - Tue, Nov 11
LATAM Airlines Logo
5:50 pm - 4:05 pmLAS-AEP
18h 15m2 stops
LATAM Airlines Logo
3:40 pm - 12:54 pmAEP-LAS
25h 14m2 stops
$745LATAM Airlines
Find Deal
Tue, Oct 21 - Mon, Oct 27
Copa Airlines Logo
12:51 am - 4:16 amLAS-EZE
22h 25m1 stop
Copa Airlines Logo
10:01 am - 10:29 pmEZE-LAS
17h 28m1 stop
$837Copa Airlines
Find Deal
Thu, Nov 13 - Tue, Nov 18
Logo
8:10 pm - 10:08 pmLAS-EZE
21h 58m2 stops
Logo
9:59 am - 10:29 pmEZE-LAS
16h 30m1 stop
$857
Find Deal
Tue, Oct 7 - Tue, Oct 28
Logo
8:10 pm - 10:08 pmLAS-EZE
21h 58m2 stops
Logo
10:07 am - 10:29 pmEZE-LAS
16h 22m1 stop
$858
Find Deal
Tue, Oct 7 - Tue, Oct 14
Copa Airlines Logo
1:48 am - 12:55 amLAS-EZE
19h 07m1 stop
Copa Airlines Logo
5:08 am - 10:29 pmEZE-LAS
21h 21m1 stop
$873Copa Airlines
Find Deal
Wed, Oct 8 - Tue, Oct 14

American Airlines flights from Las Vegas to Buenos Aires

Our best American Airlines deals on Las Vegas to Buenos Aires flight tickets
American Airlines
Nov 11
LAS8:30 amLas Vegas Harry Reid Intl
17h 30m
1 stop
EZE7:00 amBuenos Aires Ministro Pistarini
Nov 14
EZE11:59 pmBuenos Aires Ministro Pistarini
16h 35m
1 stop
LAS11:34 amLas Vegas Harry Reid Intl
$685
Find similar
American Airlines
Nov 11
LAS10:00 amLas Vegas Harry Reid Intl
17h 10m
1 stop
EZE8:10 amBuenos Aires Ministro Pistarini
Nov 14
EZE11:20 pmBuenos Aires Ministro Pistarini
19h 21m
2 stops
LAS1:41 pmLas Vegas Harry Reid Intl
$690
Find similar
American Airlines
Oct 28
LAS9:49 amLas Vegas Harry Reid Intl
18h 31m
2 stops
EZE8:20 amBuenos Aires Ministro Pistarini
Nov 18
EZE11:59 pmBuenos Aires Ministro Pistarini
20h 54m
2 stops
LAS3:53 pmLas Vegas Harry Reid Intl
$720
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
Nov 6
LAS9:43 amLas Vegas Harry Reid Intl
24h 12m
2 stops
EZE2:55 pmBuenos Aires Ministro Pistarini
Nov 11
EZE4:05 amBuenos Aires Ministro Pistarini
25h 20m
2 stops
LAS12:25 amLas Vegas Harry Reid Intl
$745
Find similar
LATAM Airlines
Mar 9
LAS1:15 pmLas Vegas Harry Reid Intl
22h 45m
2 stops
AEP4:00 pmBuenos Aires Jorge Newbery
Mar 15
AEP6:20 pmBuenos Aires Jorge Newbery
22h 18m
2 stops
LAS12:38 pmLas Vegas Harry Reid Intl
$770
Find similar
LATAM Airlines
Nov 14
LAS11:40 pmLas Vegas Harry Reid Intl
25h 15m
2 stops
EZE5:55 amBuenos Aires Ministro Pistarini
Nov 18
EZE7:43 pmBuenos Aires Ministro Pistarini
22h 13m
2 stops
LAS12:56 pmLas Vegas Harry Reid Intl
$775
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 September 11, 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

Tue 11/11

8:30 am-7:00 am

1 stop17h 30m

Buenos Aires Ministro Pistarini

Fri 11/14

11:59 pm-11:34 am

1 stop16h 35m

$685

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Tue 11/11

10:00 am-8:10 am

1 stop17h 10m

Buenos Aires Ministro Pistarini

Fri 11/14

11:20 pm-1:41 pm

2 stops19h 21m

$690

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Wed 11/5

12:59 am-7:20 am

1 stop25h 21m

Buenos Aires Ministro Pistarini

Wed 11/12

11:55 pm-1:31 pm

1 stop18h 36m

$694

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Sat 10/25

10:00 am-6:20 am

1 stop16h 20m

Buenos Aires Ministro Pistarini

Sat 11/1

10:05 pm-2:31 pm

1 stop20h 26m

$715

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Thu 11/6

9:43 am-2:55 pm

2 stops24h 12m

Buenos Aires Ministro Pistarini

Tue 11/11

4:05 am-12:25 am

2 stops25h 20m

$745

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Tue 10/21

5:50 pm-4:05 pm

2 stops18h 15m

Buenos Aires Jorge Newbery

Mon 10/27

3:40 pm-12:54 pm

2 stops25h 14m

$745

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Thu 11/13

12:51 am-4:16 am

1 stop22h 25m

Buenos Aires Ministro Pistarini

Tue 11/18

10:01 am-10:29 pm

1 stop17h 28m

$837

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Tue 10/7

8:10 pm-10:08 pm

2 stops21h 58m

Buenos Aires Ministro Pistarini

Tue 10/28

9:59 am-10:29 pm

1 stop16h 30m

$857

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Tue 10/7

8:10 pm-10:08 pm

2 stops21h 58m

Buenos Aires Ministro Pistarini

Tue 10/14

10:07 am-10:29 pm

1 stop16h 22m

$858

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Wed 10/8

1:48 am-12:55 am

1 stop19h 07m

Buenos Aires Ministro Pistarini

Tue 10/14

5:08 am-10:29 pm

1 stop21h 21m

$873

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 October. Flight prices, which tend to average around $871, 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 $906.

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 $1,136 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 $908 on momondo.

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

As of September 2025, prices for Las Vegas to Buenos Aires flights are approximately 23% 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

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.
Search flight deals

  • 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 16h 20m.

  • 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
8,937 reviews
Search United Airlines flights
LATAM AirlinesPriceFrom $630Free CancellationRating
7.5
1,847 reviews
Search LATAM Airlines flights
Copa AirlinesPriceFrom $651Free CancellationRating
7.6
1,531 reviews
Search Copa Airlines flights
DeltaPriceFrom $791Free CancellationRating
7.9
7,960 reviews
Search Delta flights
American AirlinesPriceFrom $804Free CancellationRating
7.2
10,000 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 10/11
Sat 10/18
By creating a price alert you accept our terms of use and privacy policy.

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