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Cheap flights from Las Vegas to Buenos Aires from $436

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 5/20. 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
1 adult, Economy, 0 bags

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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
$839Avianca
Tue, Jun 9 - Mon, Aug 10
Avianca Logo
2:55 pm - 5:40 am
LAS
-
AEP
34h 45m
2 stops
Avianca Logo
7:00 am - 1:05 pm
AEP
-
LAS
58h 05m
2 stops
$853Avianca
Tue, Jun 9 - Tue, Aug 11
Avianca Logo
2:55 pm - 12:25 am
LAS
-
EZE
29h 30m
2 stops
Avianca Logo
7:10 am - 1:05 pm
EZE
-
LAS
57h 55m
2 stops
$863Avianca
Tue, Jun 9 - Tue, Aug 11
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
$877Avianca
Sat, Jun 6 - Wed, Aug 12
Multiple Airlines Logo
2:55 pm - 12:25 am
LAS
-
EZE
29h 30m
2 stops
Multiple Airlines Logo
7:10 am - 10:01 am
EZE
-
LAS
30h 51m
2 stops
$955Multiple Airlines
Tue, Aug 18 - Mon, Aug 31
Multiple Airlines Logo
2:55 pm - 12:25 am
LAS
-
EZE
29h 30m
2 stops
Multiple Airlines Logo
7:10 am - 9:50 am
EZE
-
LAS
30h 40m
3 stops
$960Multiple Airlines
Tue, Jun 2 - Tue, Jun 23
LATAM Airlines Logo
9:25 am - 3:45 pm
LAS
-
EZE
26h 20m
2 stops
LATAM Airlines Logo
8:10 pm - 9:00 am
EZE
-
LAS
16h 50m
1 stop
$962LATAM Airlines
Thu, Oct 1 - Tue, Oct 6
LATAM Airlines Logo
8:15 am - 4:00 pm
LAS
-
AEP
27h 45m
2 stops
LATAM Airlines Logo
3:45 pm - 12:13 pm
AEP
-
LAS
24h 28m
2 stops
$1,052LATAM Airlines
Fri, Jun 12 - Wed, Jun 24
Delta Logo
8:15 am - 4:00 pm
LAS
-
AEP
27h 45m
2 stops
Delta Logo
8:05 pm - 2:02 pm
AEP
-
LAS
21h 57m
2 stops
$1,060Delta
Sun, Jun 14 - Tue, Jun 23
Delta Logo
8:15 am - 7:40 am
LAS
-
AEP
19h 25m
2 stops
Delta Logo
8:05 pm - 12:11 pm
AEP
-
LAS
20h 06m
2 stops
$1,072Delta
Mon, Jun 8 - Mon, Aug 10

Avianca flights from Las Vegas to Buenos Aires

Our best Avianca deals on Las Vegas to Buenos Aires flight tickets
Avianca
Jun 9
LAS2:55 pmLas Vegas Harry Reid Intl
20h 45m
2 stops
EZE3:40 pmBuenos Aires Ministro Pistarini
Aug 10
EZE4:50 pmBuenos Aires Ministro Pistarini
24h 15m
2 stops
LAS1:05 pmLas Vegas Harry Reid Intl
$839
Avianca
Jun 9
LAS2:55 pmLas Vegas Harry Reid Intl
34h 45m
2 stops
AEP5:40 amBuenos Aires Jorge Newbery
Aug 11
AEP7:00 amBuenos Aires Jorge Newbery
58h 05m
2 stops
LAS1:05 pmLas Vegas Harry Reid Intl
$853
Avianca
Jun 9
LAS2:55 pmLas Vegas Harry Reid Intl
29h 30m
2 stops
EZE12:25 amBuenos Aires Ministro Pistarini
Aug 11
EZE7:10 amBuenos Aires Ministro Pistarini
57h 55m
2 stops
LAS1:05 pmLas Vegas Harry Reid Intl
$863

Delta flights from Las Vegas to Buenos Aires

Our best Delta deals on Las Vegas to Buenos Aires flight tickets
Delta
Jun 14
LAS8:15 amLas Vegas Harry Reid Intl
27h 45m
2 stops
AEP4:00 pmBuenos Aires Jorge Newbery
Jun 23
AEP8:05 pmBuenos Aires Jorge Newbery
21h 57m
2 stops
LAS2:02 pmLas Vegas Harry Reid Intl
$1,060
Delta
Jun 7
LAS7:05 amLas Vegas Harry Reid Intl
22h 40m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
Jun 18
EZE10:40 pmBuenos Aires Ministro Pistarini
23h 16m
2 stops
LAS5:56 pmLas Vegas Harry Reid Intl
$1,064
Delta
Jun 6
LAS10:33 amLas Vegas Harry Reid Intl
19h 12m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
Aug 13
EZE8:10 pmBuenos Aires Ministro Pistarini
21h 19m
1 stop
LAS1:29 pmLas Vegas Harry Reid Intl
$1,072

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 April 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

Cheapest round-trip

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Tue 6/9

2:55 pm-3:40 pm

2 stops20h 45m

Buenos Aires Ministro Pistarini

Mon 8/10

4:50 pm-1:05 pm

2 stops24h 15m

$839

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Tue 6/9

2:55 pm-5:40 am

2 stops34h 45m

Buenos Aires Jorge Newbery

Tue 8/11

7:00 am-1:05 pm

2 stops58h 05m

$853

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Tue 6/9

2:55 pm-12:25 am

2 stops29h 30m

Buenos Aires Ministro Pistarini

Tue 8/11

7:10 am-1:05 pm

2 stops57h 55m

$863

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 8/12

4:50 pm-1:05 pm

2 stops24h 15m

$877

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Tue 8/18

2:55 pm-12:25 am

2 stops29h 30m

Buenos Aires Ministro Pistarini

Mon 8/31

7:10 am-10:01 am

2 stops30h 51m

$955

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Tue 6/2

2:55 pm-12:25 am

2 stops29h 30m

Buenos Aires Ministro Pistarini

Tue 6/23

7:10 am-9:50 am

3 stops30h 40m

$960

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Thu 10/1

9:25 am-3:45 pm

2 stops26h 20m

Buenos Aires Ministro Pistarini

Tue 10/6

8:10 pm-9:00 am

1 stop16h 50m

$962

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Fri 6/12

8:15 am-4:00 pm

2 stops27h 45m

Buenos Aires Jorge Newbery

Wed 6/24

3:45 pm-12:13 pm

2 stops24h 28m

$1,052

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Sun 6/14

8:15 am-4:00 pm

2 stops27h 45m

Buenos Aires Jorge Newbery

Tue 6/23

8:05 pm-2:02 pm

2 stops21h 57m

$1,060
Quickest round-trip

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Mon 6/8

8:15 am-7:40 am

2 stops19h 25m

Buenos Aires Jorge Newbery

Mon 8/10

8:05 pm-12:11 pm

2 stops20h 06m

$1,072

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Las Vegas and Buenos Aires?

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

As of April 2026, prices for Las Vegas to Buenos Aires flights are approximately 111% 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

14h 33m

Direct flights

None
The fastest flight from Las Vegas to Buenos Aires takes 14h 33m
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 14h 33m.

  • 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
1,575 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $625Free CancellationRating
7.4
9,551 reviews
Search United Airlines flights
DeltaPriceFrom $745Free CancellationRating
7.9
8,389 reviews
Search Delta flights
American AirlinesPriceFrom $750Free CancellationRating
7.1
11,549 reviews
Search American Airlines flights
LATAM AirlinesPriceFrom $789Free CancellationRating
7.4
1,909 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