Cheap flights from Las Vegas to Buenos Aires from $331
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 12/1. 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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Fly from
Fly to
Route
Depart
Return
Las VegasBuenos Aires
LAS Las Vegas Harry Reid Intl - AEP Buenos Aires Jorge Newbery
LASAEP
Las Vegas Harry Reid Intl
Tue 12/8
10:10 pm-5:40 am
2 stops26h 30m
Buenos Aires Jorge Newbery
Tue 12/15
7:05 am-8:50 pm
2 stops18h 45m
Las VegasBuenos Aires
LAS Las Vegas Harry Reid Intl - AEP Buenos Aires Jorge Newbery
LASAEP
Las Vegas Harry Reid Intl
Tue 12/8
10:10 pm-5:40 am
2 stops26h 30m
Buenos Aires Jorge Newbery
Tue 12/15
7:05 am-8:50 pm
2 stops18h 45m
Las VegasBuenos Aires
LAS Las Vegas Harry Reid Intl - EZE Buenos Aires Ministro Pistarini
LASEZE
Las Vegas Harry Reid Intl
Wed 3/24
11:00 am-9:50 am
2 stops18h 50m
Buenos Aires Ministro Pistarini
Thu 4/15
7:20 am-10:49 pm
2 stops19h 29m
Las VegasBuenos Aires
LAS Las Vegas Harry Reid Intl - EZE Buenos Aires Ministro Pistarini
LASEZE
Las Vegas Harry Reid Intl
Sun 3/14
2:01 am-9:38 pm
1 stop15h 37m
Buenos Aires Ministro Pistarini
Mon 3/29
10:53 pm-10:30 pm
1 stop27h 37m
Las VegasBuenos Aires
LAS Las Vegas Harry Reid Intl - EZE Buenos Aires Ministro Pistarini
LASEZE
Las Vegas Harry Reid Intl
Mon 11/16
12:15 pm-7:20 am
1 stop14h 05m
Buenos Aires Ministro Pistarini
Thu 11/19
10:05 pm-12:30 pm
2 stops19h 25m
Las VegasBuenos Aires
LAS Las Vegas Harry Reid Intl - EZE Buenos Aires Ministro Pistarini
LASEZE
Las Vegas Harry Reid Intl
Mon 11/16
12:15 pm-7:20 am
1 stop14h 05m
Buenos Aires Ministro Pistarini
Thu 11/19
10:05 pm-11:02 am
1 stop17h 57m
Las VegasBuenos Aires
LAS Las Vegas Harry Reid Intl - EZE Buenos Aires Ministro Pistarini
LASEZE
Las Vegas Harry Reid Intl
Tue 11/17
12:44 pm-8:15 am
1 stop14h 31m
Buenos Aires Ministro Pistarini
Tue 11/24
11:59 pm-12:56 pm
1 stop17h 57m
Las VegasBuenos Aires
LAS Las Vegas Harry Reid Intl - EZE Buenos Aires Ministro Pistarini
LASEZE
Las Vegas Harry Reid Intl
Mon 3/15
2:40 pm-9:40 am
1 stop15h 00m
Buenos Aires Ministro Pistarini
Mon 3/29
7:20 pm-4:54 pm
2 stops25h 34m
Las VegasBuenos Aires
LAS Las Vegas Harry Reid Intl - EZE Buenos Aires Ministro Pistarini
LASEZE
Las Vegas Harry Reid Intl
Fri 12/4
6:00 am-7:20 am
1 stop20h 20m
Buenos Aires Ministro Pistarini
Tue 12/15
10:30 pm-1:12 pm
1 stop19h 42m
Las VegasBuenos Aires
LAS Las Vegas Harry Reid Intl - EZE Buenos Aires Ministro Pistarini
LASEZE
Las Vegas Harry Reid Intl
Wed 10/28
1:48 am-9:57 pm
1 stop16h 09m
Buenos Aires Ministro Pistarini
Sun 11/15
9:10 am-10:30 pm
1 stop18h 20m
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?
Prices are currently low for flights on this route.
Typical prices usually range from $1,103 to $1,295.The lowest price recently found on this route was $851.
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 $895, 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 February instead. Flights to Buenos Aires in February, while not as cheap as those in November, still average around $900.
Can stopping save me money on Las Vegas to Buenos Aires flights?
You could potentially save up to 15% on your flight if you consider stops on a Las Vegas to Buenos Aires flight.
Which airport is the most popular layover for flights between Las Vegas and Buenos Aires?
Houston (IAH) was the most common stop: 53% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from Las Vegas to Buenos Aires?
Flights via Houston (IAH) offer the lowest average round-trip price of $1,008.
Which layover airport has the shortest travel time from Las Vegas to Buenos Aires?
Flights connecting via Houston (IAH) have the shortest average one-way travel time: 14h 31m.
Which layover airport has the shortest connection time from Las Vegas to Buenos Aires?
Atlanta (ATL) has the shortest average layover time for this route: 1h 42m.
When to book flights from Las Vegas to Buenos Aires
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
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 16h 08m.
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?
The number of operators available for flights from Las Vegas Harry Reid Intl Airport to Buenos Aires is 5 as of October 2026.
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?
momondo data reveals that the most frequently booked airline on the route from Las Vegas to Buenos Aires is United Airlines, representing 31% of all bookings. The subsequent popular airlines are LATAM Airlines at 30%, American Airlines at 23%, and Copa Airlines at 16%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $613 | Free Cancellation | Rating 7.6 1,548 reviews | |||
| PriceFrom $745 | Free Cancellation | Rating 7.4 10,316 reviews | |||
| PriceFrom $763 | Free Cancellation | Rating 7.0 12,138 reviews | |||
| PriceFrom $784 | Free Cancellation | Rating 7.8 8,636 reviews | |||
| PriceFrom $1,071 | Free Cancellation | Rating 7.4 1,976 reviews |
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.