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Cheap flights from Las Vegas to Buenos Aires from $312

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 4/10. 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.
Copa Airlines Logo
1:58 am - 1:02 am
LAS
-
EZE
19h 04m
1 stop
Copa Airlines Logo
5:16 am - 10:29 pm
EZE
-
LAS
21h 13m
1 stop
$773Copa Airlines
Tue, Mar 17 - Tue, Mar 24
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
$777Avianca
Sat, Jul 18 - Mon, Aug 3
Multiple Airlines Logo
1:01 am - 10:20 am
LAS
-
EZE
29h 19m
3 stops
Multiple Airlines Logo
5:35 am - 8:18 am
EZE
-
LAS
30h 43m
3 stops
$779Multiple Airlines
Tue, Mar 17 - Tue, Mar 24
LATAM Airlines Logo
10:10 am - 9:00 am
LAS
-
EZE
18h 50m
1 stop
LATAM Airlines Logo
7:10 am - 11:35 pm
EZE
-
LAS
20h 25m
2 stops
$785LATAM Airlines
Mon, Mar 9 - Mon, Mar 16
LATAM Airlines Logo
1:25 pm - 4:00 pm
LAS
-
AEP
22h 35m
2 stops
LATAM Airlines Logo
3:40 pm - 5:38 pm
AEP
-
LAS
29h 58m
2 stops
$785LATAM Airlines
Tue, Mar 10 - Thu, Mar 19
LATAM Airlines Logo
11:55 am - 9:35 am
LAS
-
EZE
17h 40m
2 stops
LATAM Airlines Logo
8:55 pm - 12:53 pm
EZE
-
LAS
19h 58m
2 stops
$789LATAM Airlines
Mon, Mar 9 - Mon, Mar 16
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
$794Avianca
Sat, Jul 18 - Tue, Aug 4
American Airlines Logo
12:30 pm - 10:29 am
LAS
-
EZE
17h 59m
1 stop
American Airlines Logo
10:25 pm - 5:54 pm
EZE
-
LAS
23h 29m
1 stop
$800American Airlines
Sat, Mar 14 - Sun, Mar 22
LATAM Airlines Logo
12:55 am - 9:35 am
LAS
-
EZE
28h 40m
2 stops
LATAM Airlines Logo
11:55 pm - 5:38 pm
EZE
-
LAS
21h 43m
2 stops
$808LATAM Airlines
Sun, Mar 8 - Mon, Mar 16
Multiple Airlines Logo
9:45 pm - 6:20 am
LAS
-
EZE
28h 35m
2 stops
Multiple Airlines Logo
5:35 am - 8:18 am
EZE
-
LAS
30h 43m
3 stops
$817Multiple Airlines
Wed, Mar 18 - Tue, Mar 24

Copa Airlines flights from Las Vegas to Buenos Aires

Our best Copa Airlines deals on Las Vegas to Buenos Aires flight tickets
Copa Airlines
Mar 17
LAS1:58 amLas Vegas Harry Reid Intl
19h 04m
1 stop
EZE1:02 amBuenos Aires Ministro Pistarini
Mar 24
EZE5:16 amBuenos Aires Ministro Pistarini
21h 13m
1 stop
LAS10:29 pmLas Vegas Harry Reid Intl
$773
Copa Airlines
Apr 7
LAS12:45 amLas Vegas Harry Reid Intl
21h 45m
1 stop
EZE2:30 amBuenos Aires Ministro Pistarini
Apr 21
EZE3:52 amBuenos Aires Ministro Pistarini
22h 38m
1 stop
LAS10:30 pmLas Vegas Harry Reid Intl
$921

United Airlines flights from Las Vegas to Buenos Aires

Our best United Airlines deals on Las Vegas to Buenos Aires flight tickets
United Airlines
Apr 28
LAS10:50 amLas Vegas Harry Reid Intl
17h 10m
2 stops
EZE8:00 amBuenos Aires Ministro Pistarini
May 11
EZE9:00 pmBuenos Aires Ministro Pistarini
21h 38m
2 stops
LAS2:38 pmLas Vegas Harry Reid Intl
$937
United Airlines
Mar 7
LAS6:00 amLas Vegas Harry Reid Intl
22h 20m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
Mar 14
EZE10:55 pmBuenos Aires Ministro Pistarini
25h 18m
1 stop
LAS8:13 pmLas Vegas Harry Reid Intl
$955
United Airlines
Mar 7
LAS7:02 pmLas Vegas Harry Reid Intl
30h 18m
2 stops
EZE6:20 amBuenos Aires Ministro Pistarini
Mar 14
EZE10:55 pmBuenos Aires Ministro Pistarini
25h 18m
1 stop
LAS8:13 pmLas Vegas Harry Reid Intl
$971

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 February 9, 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

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Tue 3/17

1:58 am-1:02 am

1 stop19h 04m

Buenos Aires Ministro Pistarini

Tue 3/24

5:16 am-10:29 pm

1 stop21h 13m

$773

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Sat 7/18

2:55 pm-3:40 pm

2 stops20h 45m

Buenos Aires Ministro Pistarini

Mon 8/3

4:50 pm-1:05 pm

2 stops24h 15m

$777

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Tue 3/17

1:01 am-10:20 am

3 stops29h 19m

Buenos Aires Ministro Pistarini

Tue 3/24

5:35 am-8:18 am

3 stops30h 43m

$779

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Mon 3/9

10:10 am-9:00 am

1 stop18h 50m

Buenos Aires Ministro Pistarini

Mon 3/16

7:10 am-11:35 pm

2 stops20h 25m

$785

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Tue 3/10

1:25 pm-4:00 pm

2 stops22h 35m

Buenos Aires Jorge Newbery

Thu 3/19

3:40 pm-5:38 pm

2 stops29h 58m

$785

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Mon 3/9

11:55 am-9:35 am

2 stops17h 40m

Buenos Aires Ministro Pistarini

Mon 3/16

8:55 pm-12:53 pm

2 stops19h 58m

$789

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Sat 7/18

2:55 pm-3:40 pm

2 stops20h 45m

Buenos Aires Ministro Pistarini

Tue 8/4

4:50 pm-1:05 pm

2 stops48h 15m

$794

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Sat 3/14

12:30 pm-10:29 am

1 stop17h 59m

Buenos Aires Ministro Pistarini

Sun 3/22

10:25 pm-5:54 pm

1 stop23h 29m

$800

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Sun 3/8

12:55 am-9:35 am

2 stops28h 40m

Buenos Aires Ministro Pistarini

Mon 3/16

11:55 pm-5:38 pm

2 stops21h 43m

$808

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Wed 3/18

9:45 pm-6:20 am

2 stops28h 35m

Buenos Aires Ministro Pistarini

Tue 3/24

5:35 am-8:18 am

3 stops30h 43m

$817

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 $685, 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 January instead. Flights to Buenos Aires in January, while not as cheap as those in November, still average around $866.

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 $1,087 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 $802 on momondo.

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

As of February 2026, prices for Las Vegas to Buenos Aires flights are approximately 7% 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

16h 30m

Direct flights

None
The fastest flight from Las Vegas to Buenos Aires takes 16h 30m
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 30m.

  • 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
1,557 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $625Free CancellationRating
7.4
9,262 reviews
Search United Airlines flights
DeltaPriceFrom $745Free CancellationRating
7.9
8,176 reviews
Search Delta flights
American AirlinesPriceFrom $750Free CancellationRating
7.2
11,258 reviews
Search American Airlines flights
LATAM AirlinesPriceFrom $789Free CancellationRating
7.5
1,919 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