Buenos Aires

$383+ Cheap flights from Las Vegas (LAS) to Buenos Aires (BUE)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — BUE
Jul 20 — Jul 271
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1. Tell us where you want to go

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Cheap flight deals from Las Vegas to Buenos Aires

Cheapest flights from Las Vegas to Buenos Aires
Explore the most affordable flight options available from Las Vegas to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 20, 2026.

This Avianca deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/22:55 pm
LAS
-
AEP
2 stops34h 45m
Avianca
Mon 7/67:00 am
AEP
-
LAS
2 stops34h 05m
Avianca
Deal found 6/19$902
This eDestinos deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/129:50 am
LAS
-
EZE
2 stops18h 50m
LATAM Airlines
Thu 11/1911:35 pm
EZE
-
LAS
1 stop16h 50m
LATAM Airlines
Deal found 6/19$904
This Copa Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:45 am
LAS
-
EZE
1 stop22h 07m
Copa Airlines
Thu 11/198:56 am
EZE
-
LAS
1 stop18h 34m
Copa Airlines
Deal found 6/19$926
This eDestinos deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:00 am
LAS
-
EZE
2 stops18h 20m
Multiple Airlines
Mon 11/307:21 pm
EZE
-
LAS
2 stops44h 42m
Multiple Airlines
Deal found 6/15$927
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2412:15 pm
LAS
-
EZE
1 stop14h 05m
United Airlines
Tue 12/110:05 pm
EZE
-
LAS
2 stops19h 23m
United Airlines
Deal found 6/15$929
This eDestinos deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:00 am
LAS
-
EZE
2 stops22h 40m
Multiple Airlines
Sun 11/297:21 pm
EZE
-
LAS
2 stops44h 42m
Multiple Airlines
Deal found 6/15$931
This eDestinos deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/151:10 pm
LAS
-
EZE
2 stops57h 35m
Multiple Airlines
Tue 10/207:35 am
EZE
-
LAS
2 stops19h 14m
Multiple Airlines
Deal found 6/15$932
This United Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:39 am
LAS
-
EZE
1 stop20h 21m
United Airlines
Wed 9/169:00 pm
EZE
-
LAS
1 stop20h 15m
United Airlines
Deal found 6/17$938
This Delta deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:44 pm
LAS
-
AEP
2 stops22h 06m
Delta
Wed 9/163:45 pm
AEP
-
LAS
2 stops28h 35m
Delta
Deal found 6/17$938
This Delta deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/141:25 pm
LAS
-
EZE
1 stop16h 20m
Delta
Fri 9/181:10 pm
EZE
-
LAS
2 stops27h 02m
Delta
Deal found 6/17$942
This Copa Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:48 am
LAS
-
EZE
1 stop22h 08m
Copa Airlines
Sat 11/78:56 am
EZE
-
LAS
1 stop18h 34m
Copa Airlines
Deal found 6/16$949
This United Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/812:59 am
LAS
-
EZE
1 stop27h 01m
United Airlines
Mon 10/199:00 pm
EZE
-
LAS
2 stops28h 59m
United Airlines
Deal found 6/16$953

Find flight deals from Las Vegas to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to Buenos Aires (BUE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$902
(Avianca)

One-way from

$383
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$951
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Buenos Aires (BUE) flight deals.
Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Buenos Aires (BUE) flights.
From Las Vegas Harry Reid Intl to Buenos Aires (BUE)
One-way flight from Las Vegas Harry Reid Intl to Buenos Aires (BUE)
Highest demand for flights based on searches. 2% potential increase in price ($22 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($48 potential savings vs. average RT price).
Average for round-trip flights in June 2026

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 20, 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 - AEP

LASAEP

Las Vegas Harry Reid Intl

Thu 7/2

2:55 pm-5:40 am

2 stops34h 45m

Buenos Aires Jorge Newbery

Mon 7/6

7:00 am-1:05 pm

2 stops34h 05m

$902

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Sun 9/13

6:00 am-9:45 am

1 stop23h 45m

Buenos Aires Ministro Pistarini

Tue 9/15

8:10 pm-4:55 pm

1 stop24h 45m

$938

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Tue 8/18

7:45 am-8:00 am

1 stop20h 15m

Buenos Aires Ministro Pistarini

Mon 8/31

9:00 pm-10:52 pm

2 stops29h 52m

$938

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Sat 10/3

6:09 am-8:00 am

1 stop21h 51m

Buenos Aires Ministro Pistarini

Mon 10/12

9:00 pm-6:01 pm

1 stop25h 01m

$938

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Mon 9/14

12:44 pm-2:50 pm

2 stops22h 06m

Buenos Aires Jorge Newbery

Wed 9/16

3:45 pm-4:20 pm

2 stops28h 35m

$938
Quickest round-trip

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Thu 11/26

7:00 am-7:40 am

2 stops19h 40m

Buenos Aires Jorge Newbery

Wed 12/2

8:05 pm-12:36 pm

2 stops21h 31m

$938

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Mon 11/23

2:40 pm-4:00 pm

2 stops20h 20m

Buenos Aires Jorge Newbery

Wed 11/25

8:05 pm-12:36 pm

2 stops21h 31m

$938

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Sun 9/13

6:05 pm-8:00 am

2 stops33h 55m

Buenos Aires Ministro Pistarini

Sun 9/20

9:00 pm-2:39 pm

2 stops21h 39m

$977

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Tue 11/24

6:00 am-4:00 pm

2 stops29h 00m

Buenos Aires Jorge Newbery

Sat 11/28

9:05 pm-11:03 am

2 stops42h 58m

$999

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Tue 9/15

6:35 am-7:40 am

2 stops21h 05m

Buenos Aires Jorge Newbery

Sat 9/19

3:45 pm-11:49 am

2 stops24h 04m

$1,022

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/19

Showing 1-10 of 37 resultsSorted by cheapest first
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Compare providers for flights from Las Vegas to Buenos Aires

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Las Vegas to Buenos Aires in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Las Vegas-Buenos Aires flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Las Vegas-Buenos Aires flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Las Vegas-Buenos Aires flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Las Vegas-Buenos Aires flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Las Vegas-Buenos Aires flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Las Vegas to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Las Vegas with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Las Vegas to Buenos Aires

What is the cheapest month to book a flight from Las Vegas to Buenos Aires?

Currently, November is the cheapest month in which you can book a flight from Las Vegas to Buenos Aires (average of $613). Flying from Las Vegas to Buenos Aires in June is currently the most expensive (average of $946). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Las Vegas to Buenos Aires?

Reviews of airlines servicing Buenos Aires

Get insights into the airlines that provide service to Buenos Aires. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buenos Aires. Reviews last updated June 20, 2026.
Peruse reviews from past customers who have flown with Delta,Copa Airlines, andLATAM Airlines from Las Vegas to Buenos Aires to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Comfort

7.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Comfort

7.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Comfort

7.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Comfort

7.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Comfort

7.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Comfort

7.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Las Vegas to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Las Vegas to Buenos Aires?

    If you book a flight to Buenos Aires from Las Vegas, you will be flying from Harry Reid Intl, which is the city’s only airport. Las Vegas Harry Reid Intl (LAS) is located 6.2 mi from the center of Las Vegas. There are 0 flights from Harry Reid Intl to Buenos Aires per day from 5 different airlines.

  • How long is the flight from Las Vegas to Buenos Aires?

    Airlines like Avianca, Delta, and United Airlines fly from Las Vegas to Buenos Aires in about 20h 15m. The time it takes to get you to your destination can typically vary by up to 14h 30m. The distance between Las Vegas and Buenos Aires is about 6100 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Las Vegas to Buenos Aires round-trip?

    Currently priced at $613, Copa Airlines will fly you from Las Vegas to Buenos Aires and back. In addition to Copa Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from LATAM Airlines and United Airlines - these airlines can fly you to your destination from $630 and $685, respectively. Copa Airlines is priced at 40% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Las Vegas to Buenos Aires that include hotel bookings?

    Yes. In addition to deals on Las Vegas to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Las Vegas to Buenos Aires?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to Buenos Aires.

  • Can I find deals for business class flights from Las Vegas to Buenos Aires?

    Yes. Cheapflights offers flight deals from Las Vegas to Buenos Aires by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Las Vegas to Buenos Aires?

    Currently, November is the cheapest month in which you can book a flight from Las Vegas to Buenos Aires (average of $613). Flying from Las Vegas to Buenos Aires in June is currently the most expensive (average of $946). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Las Vegas to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Las Vegas to Buenos Aires

Discover the top 5 airlines that operate flights from Las Vegas to Buenos Aires. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$613Average$1,090FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$630Average$1,162FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$685Average$1,031FlexibilityNo cancel feeOn-time69%
DeltaCheapest$745Average$2,198FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$763Average$1,002FlexibilityNo cancel feeOn-time71%

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