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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 7/15. 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

KAYAK's recommended round-trip deals from the most popular airlines that fly from Las Vegas to Buenos Aires.
LATAM Airlines Logo
11:54 pm - 4:05 amLAS-AEP
24h 11m2 stops
LATAM Airlines Logo
2:55 pm - 6:49 pmAEP-LAS
31h 54m2 stops
$735LATAM Airlines
Find Deal
Tue, May 27 - Tue, Jun 3
Copa Airlines Logo
1:49 am - 12:55 amLAS-EZE
19h 06m1 stop
Copa Airlines Logo
10:05 am - 11:10 pmEZE-LAS
17h 05m1 stop
$859Copa Airlines
Find Deal
Tue, Sep 16 - Thu, Oct 2
 Logo
10:48 am - 9:00 pmLAS-AEP
30h 12m2 stops
 Logo
10:20 am - 12:50 pmAEP-LAS
30h 30m2 stops
Wed, Jun 4 - Thu, Jun 12
United Airlines Logo
4:39 pm - 8:00 amLAS-EZE
35h 21m2 stops
United Airlines Logo
10:05 pm - 3:49 pmEZE-LAS
21h 44m2 stops
$917United Airlines
Find Deal
Sat, May 3 - Sat, Nov 1
 Logo
3:05 pm - 2:30 amLAS-EZE
55h 25m2 stops
 Logo
12:58 pm - 4:15 pmEZE-LAS
31h 17m2 stops
Wed, Jun 4 - Thu, Jun 12
United Airlines Logo
6:00 am - 8:00 amLAS-EZE
22h 00m1 stop
United Airlines Logo
9:00 pm - 5:48 pmEZE-LAS
24h 48m1 stop
$921United Airlines
Find Deal
Thu, Aug 7 - Wed, Aug 20
American Airlines Logo
8:00 am - 7:35 amLAS-EZE
19h 35m1 stop
American Airlines Logo
10:00 pm - 9:41 pmEZE-LAS
27h 41m1 stop
$1,007American Airlines
Find Deal
Wed, Aug 20 - Wed, Sep 10
American Airlines Logo
8:00 am - 7:35 amLAS-EZE
19h 35m2 stops
American Airlines Logo
10:00 pm - 9:41 pmEZE-LAS
27h 41m1 stop
$1,012American Airlines
Find Deal
Wed, Aug 20 - Wed, Sep 10
Delta Logo
7:05 am - 9:45 amLAS-EZE
22h 40m1 stop
Delta Logo
8:10 pm - 6:40 pmEZE-LAS
26h 30m1 stop
$1,024Delta
Find Deal
Thu, May 8 - Sat, May 24
Delta Logo
12:35 am - 5:55 amLAS-EZE
25h 20m2 stops
Delta Logo
8:10 pm - 1:30 pmEZE-LAS
21h 20m1 stop
$1,807Delta
Find Deal
Sun, May 4 - Tue, May 13

Copa Airlines flights from Las Vegas to Buenos Aires

Our best Copa Airlines deals on Las Vegas to Buenos Aires flight tickets
Copa Airlines
Sep 16
LAS1:49 amLas Vegas Harry Reid Intl
19h 06m
1 stop
EZE12:55 amBuenos Aires Ministro Pistarini
Oct 2
EZE10:05 amBuenos Aires Ministro Pistarini
17h 05m
1 stop
LAS11:10 pmLas Vegas Harry Reid Intl
Copa Airlines
Aug 6
LAS1:49 amLas Vegas Harry Reid Intl
22h 25m
1 stop
EZE4:14 amBuenos Aires Ministro Pistarini
Aug 19
EZE2:13 amBuenos Aires Ministro Pistarini
24h 57m
1 stop
LAS11:10 pmLas Vegas Harry Reid Intl
Copa Airlines
Aug 19
LAS1:49 amLas Vegas Harry Reid Intl
22h 25m
1 stop
EZE4:14 amBuenos Aires Ministro Pistarini
Sep 9
EZE12:06 amBuenos Aires Ministro Pistarini
27h 53m
2 stops
LAS11:59 pmLas Vegas Harry Reid Intl

United Airlines flights from Las Vegas to Buenos Aires

Our best United Airlines deals on Las Vegas to Buenos Aires flight tickets
United Airlines
May 3
LAS4:39 pmLas Vegas Harry Reid Intl
35h 21m
2 stops
EZE8:00 amBuenos Aires Ministro Pistarini
Nov 1
EZE10:05 pmBuenos Aires Ministro Pistarini
21h 44m
2 stops
LAS3:49 pmLas Vegas Harry Reid Intl
United Airlines
Aug 7
LAS6:00 amLas Vegas Harry Reid Intl
22h 00m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
Aug 20
EZE9:00 pmBuenos Aires Ministro Pistarini
24h 48m
1 stop
LAS5:48 pmLas Vegas Harry Reid Intl
United Airlines
May 3
LAS3:42 pmLas Vegas Harry Reid Intl
36h 18m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
Nov 1
EZE10:05 pmBuenos Aires Ministro Pistarini
16h 10m
1 stop
LAS10:15 amLas Vegas Harry Reid Intl

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 May. Flight prices, which tend to average around $910, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of May, then book flights to Buenos Aires from Las Vegas during September instead. Flights to Buenos Aires in September, while not as cheap as those in May, still average around $926.

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 13 weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $1,211 when searching 13 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 $932 on momondo.

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

As of April 2025, prices for Las Vegas to Buenos Aires flights are approximately 30% 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

Best Price Found

$312

Fastest flight time

15h 20m

Direct flights

None

Airports in Buenos Aires

2 airports
The best one-way flight to Buenos Aires from Las Vegas in the past 72 hours is $312. The best round-trip flight deal from Las Vegas to Buenos Aires found on momondo in the last 72 hours is $735.
The fastest flight from Las Vegas to Buenos Aires takes 15h 20m
There are no direct flights from Las Vegas to Buenos Aires. Popular non-direct routes for this connection are Las Vegas Harry Reid Intl Airport - Buenos Aires Jorge Newbery Airport and Las Vegas Harry Reid Intl Airport - Buenos Aires Ministro Pistarini Airport.
There are 2 airports near Buenos Aires: Buenos Aires Ministro Pistarini (EZE), Buenos Aires Jorge Newbery (AEP)

  • 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 15h 43m.

  • 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 $651Free CancellationRating
7.6
1,401 reviews
Search Copa Airlines flights
LATAM AirlinesPriceFrom $731Free CancellationRating
7.5
1,753 reviews
Search LATAM Airlines flights
DeltaPriceFrom $791Free CancellationRating
8.0
7,897 reviews
Search Delta flights
United AirlinesPriceFrom $841Free CancellationRating
7.4
8,619 reviews
Search United Airlines flights
American AirlinesPriceFrom $901Free 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.


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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