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Cheap flights from Las Vegas to Buenos Aires from $326

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 6/3. 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
Sat, Jun 6 - Wed, Jun 10
Avianca Logo
2:55 pm - 12:25 am
LAS
-
EZE
29h 30m
2 stops
Avianca Logo
4:50 pm - 1:05 pm
EZE
-
LAS
24h 15m
2 stops
$888Avianca
Thu, Jun 4 - Wed, Jun 17
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
$888Avianca
Sat, Jun 6 - Wed, Jun 10
Avianca Logo
2:55 pm - 3:40 pm
LAS
-
EZE
20h 45m
2 stops
Avianca Logo
7:10 am - 1:05 pm
EZE
-
LAS
33h 55m
2 stops
$889Avianca
Thu, Jun 4 - Wed, Jun 10
Copa Airlines Logo
12:37 am - 2:30 am
LAS
-
EZE
21h 53m
1 stop
Copa Airlines Logo
9:02 am - 10:30 pm
EZE
-
LAS
17h 28m
1 stop
$935Copa Airlines
Wed, Jun 3 - Wed, Jun 17
United Airlines Logo
12:30 am - 8:00 am
LAS
-
EZE
27h 30m
2 stops
United Airlines Logo
9:00 pm - 6:24 pm
EZE
-
LAS
25h 24m
1 stop
$947United Airlines
Mon, Oct 5 - Tue, Oct 13
United Airlines Logo
7:41 pm - 8:00 am
LAS
-
EZE
32h 19m
2 stops
United Airlines Logo
9:00 pm - 9:59 pm
EZE
-
LAS
28h 59m
2 stops
$951United Airlines
Mon, Oct 5 - Tue, Oct 13
Delta Logo
11:30 am - 4:00 pm
LAS
-
AEP
24h 30m
2 stops
Delta Logo
8:05 pm - 1:45 pm
AEP
-
LAS
21h 40m
2 stops
$997Delta
Sun, Oct 4 - Mon, Oct 12
LATAM Airlines Logo
1:05 pm - 2:50 pm
LAS
-
AEP
21h 45m
2 stops
LATAM Airlines Logo
9:25 am - 11:24 am
AEP
-
LAS
29h 59m
2 stops
$1,049LATAM Airlines
Fri, Oct 2 - Mon, Oct 12
Delta Logo
11:30 am - 4:00 pm
LAS
-
AEP
24h 30m
2 stops
Delta Logo
3:45 pm - 12:36 pm
AEP
-
LAS
24h 51m
2 stops
$1,057Delta
Sun, Oct 4 - Sun, Oct 11

Copa Airlines flights from Las Vegas to Buenos Aires

Our best Copa Airlines deals on Las Vegas to Buenos Aires flight tickets
Copa Airlines
Jun 3
LAS12:37 amLas Vegas Harry Reid Intl
21h 53m
1 stop
EZE2:30 amBuenos Aires Ministro Pistarini
Jun 17
EZE9:02 amBuenos Aires Ministro Pistarini
17h 28m
1 stop
LAS10:30 pmLas Vegas Harry Reid Intl
$935
Copa Airlines
Aug 27
LAS12:34 amLas Vegas Harry Reid Intl
17h 52m
1 stop
EZE10:26 pmBuenos Aires Ministro Pistarini
Sep 16
EZE3:48 amBuenos Aires Ministro Pistarini
22h 42m
1 stop
LAS10:30 pmLas Vegas Harry Reid Intl
$983
Copa Airlines
Oct 27
LAS2:02 amLas Vegas Harry Reid Intl
19h 56m
1 stop
EZE1:58 amBuenos Aires Ministro Pistarini
Nov 17
EZE9:16 amBuenos Aires Ministro Pistarini
18h 14m
1 stop
LAS10:30 pmLas Vegas Harry Reid Intl
$1,003

United Airlines flights from Las Vegas to Buenos Aires

Our best United Airlines deals on Las Vegas to Buenos Aires flight tickets
United Airlines
Oct 5
LAS12:30 amLas Vegas Harry Reid Intl
27h 30m
2 stops
EZE8:00 amBuenos Aires Ministro Pistarini
Oct 13
EZE9:00 pmBuenos Aires Ministro Pistarini
25h 24m
1 stop
LAS6:24 pmLas Vegas Harry Reid Intl
$947
United Airlines
Oct 5
LAS7:41 pmLas Vegas Harry Reid Intl
32h 19m
2 stops
EZE8:00 amBuenos Aires Ministro Pistarini
Oct 13
EZE9:00 pmBuenos Aires Ministro Pistarini
28h 59m
2 stops
LAS9:59 pmLas Vegas Harry Reid Intl
$951
United Airlines
Oct 2
LAS6:00 amLas Vegas Harry Reid Intl
22h 00m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
Oct 13
EZE9:00 pmBuenos Aires Ministro Pistarini
18h 06m
1 stop
LAS11:06 amLas Vegas Harry Reid Intl
$1,007

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 10, 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

Sat 6/6

2:55 pm-3:40 pm

2 stops20h 45m

Buenos Aires Ministro Pistarini

Wed 6/10

4:50 pm-1:05 pm

2 stops24h 15m

$851

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Thu 6/4

2:55 pm-12:25 am

2 stops29h 30m

Buenos Aires Ministro Pistarini

Wed 6/17

4:50 pm-1:05 pm

2 stops24h 15m

$888

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Sat 6/6

2:55 pm-5:40 am

2 stops34h 45m

Buenos Aires Jorge Newbery

Wed 6/10

7:00 am-1:05 pm

2 stops34h 05m

$888

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Thu 6/4

2:55 pm-3:40 pm

2 stops20h 45m

Buenos Aires Ministro Pistarini

Wed 6/10

7:10 am-1:05 pm

2 stops33h 55m

$889
Quickest round-trip

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Wed 6/3

12:37 am-2:30 am

1 stop21h 53m

Buenos Aires Ministro Pistarini

Wed 6/17

9:02 am-10:30 pm

1 stop17h 28m

$935

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Mon 10/5

12:30 am-8:00 am

2 stops27h 30m

Buenos Aires Ministro Pistarini

Tue 10/13

9:00 pm-6:24 pm

1 stop25h 24m

$947

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Mon 10/5

7:41 pm-8:00 am

2 stops32h 19m

Buenos Aires Ministro Pistarini

Tue 10/13

9:00 pm-9:59 pm

2 stops28h 59m

$951

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Sun 10/4

11:30 am-4:00 pm

2 stops24h 30m

Buenos Aires Jorge Newbery

Mon 10/12

8:05 pm-1:45 pm

2 stops21h 40m

$997

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Fri 10/2

1:05 pm-2:50 pm

2 stops21h 45m

Buenos Aires Jorge Newbery

Mon 10/12

9:25 am-11:24 am

2 stops29h 59m

$1,049

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Sun 10/4

11:30 am-4:00 pm

2 stops24h 30m

Buenos Aires Jorge Newbery

Sun 10/11

3:45 pm-12:36 pm

2 stops24h 51m

$1,057

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

20h 00m

Direct flights

None
The fastest flight from Las Vegas to Buenos Aires takes 20h 00m
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 20h 00m.

  • 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
1,584 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $625Free CancellationRating
7.4
9,694 reviews
Search United Airlines flights
DeltaPriceFrom $745Free CancellationRating
7.9
8,454 reviews
Search Delta flights
American AirlinesPriceFrom $750Free CancellationRating
7.1
11,668 reviews
Search American Airlines flights
LATAM AirlinesPriceFrom $846Free CancellationRating
7.4
1,917 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.

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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