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$556+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — BUE
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Buenos Aires are usually found in May or September, booked 51 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$859
(KAYAK)

One-way from

$556
(Air Canada)

Popular in

July

Cheapest in

May

Average price

$927
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Buenos Aires (BUE) flight deals.
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Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Buenos Aires (BUE) flights.
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From Las Vegas Harry Reid Intl to Buenos Aires (BUE)
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One-way flight from Las Vegas Harry Reid Intl to Buenos Aires (BUE)
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Highest demand for flights based on searches. 7% potential increase in price ($78 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find 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 March 28, 2025.

This Delta deal was found by Cheapflights users on 3/27. 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 3/3111:15 pmLAS - EZE
2 stops26h 40mDelta
Thu 4/107:40 amEZE - LAS
2 stops19h 44mDelta
Deal found 3/27$706
This FlightHub deal was found by Cheapflights users on 3/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1410:45 amLAS - AEP
2 stops26h 15mLATAM Airlines
Thu 11/202:55 pmAEP - LAS
2 stops30h 59mLATAM Airlines
Deal found 3/28$803
This KAYAK deal was found by Cheapflights users on 3/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/191:49 amLAS - EZE
1 stop19h 06mCopa Airlines
Tue 9/93:47 amEZE - LAS
1 stop23h 23mCopa Airlines
Deal found 3/27$859
This American Airlines deal was found by Cheapflights users on 3/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1411:31 amLAS - EZE
1 stop18h 19mAmerican Airlines
Thu 11/2010:30 pmEZE - LAS
1 stop27h 12mAmerican Airlines
Deal found 3/28$898
This LATAM Airlines deal was found by Cheapflights users on 3/27. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/201:05 pmLAS - EZE
2 stops25h 07mLATAM Airlines
Wed 9/107:40 amEZE - LAS
2 stops30h 26mLATAM Airlines
Deal found 3/27$906
This LATAM Airlines deal was found by Cheapflights users on 3/27. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2211:54 pmLAS - AEP
2 stops24h 11mMultiple Airlines
Sun 5/259:05 pmAEP - LAS
2 stops43h 33mMultiple Airlines
Deal found 3/27$915
This United deal was found by Cheapflights users on 3/26. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1410:15 amLAS - EZE
1 stop17h 45mUnited Airlines
Wed 6/49:00 pmEZE - LAS
1 stop30h 55mUnited Airlines
Deal found 3/26$923
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1010:39 pmLAS - EZE
2 stops46h 08mMultiple Airlines
Sat 5/172:32 pmEZE - LAS
1 stop36h 38mMultiple Airlines
Deal found 3/27$925
This Aeromexico deal was found by Cheapflights users on 3/28. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/123:05 pmLAS - EZE
1 stop26h 20mAeromexico
Mon 6/3011:25 pmEZE - LAS
1 stop16h 12mAeromexico
Deal found 3/28$954
This Air Canada deal was found by Cheapflights users on 3/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/17:00 amLAS - EZE
3 stops27h 30mAir Canada
Thu 4/104:35 pmEZE - LAS
2 stops33h 27mAir Canada
Deal found 3/27$1,077
This Gurufare deal was found by Cheapflights users on 3/27. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/141:08 pmLAS - AEP
2 stops19h 52mGOL
Tue 6/33:40 amAEP - LAS
2 stops21h 35mGOL
Deal found 3/27$1,157
This KAYAK deal was found by Cheapflights users on 3/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/123:05 pmLAS - EZE
2 stops29h 05mAvianca
Sun 6/292:30 amEZE - LAS
3 stops39h 15mAvianca
Deal found 3/27$1,396

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 March 28, 2025.
Use the filters below to find and compare flights from Las Vegas to Buenos Aires that are best for you.

Fly from

Las Vegas

Fly to

Buenos Aires

Route

Depart

Return

Price

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Tue 8/19

1:49 am-12:55 am

1 stop19h 06m

Buenos Aires Ministro Pistarini

Tue 9/9

3:47 am-11:10 pm

1 stop23h 23m

$859

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Mon 5/26

12:55 am-4:05 am

2 stops23h 10m

Buenos Aires Jorge Newbery

Tue 6/3

3:40 pm-12:15 pm

2 stops24h 35m

$871

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Wed 8/20

1:05 pm-6:12 pm

2 stops25h 07m

Buenos Aires Ministro Pistarini

Wed 9/10

7:40 am-10:06 am

2 stops30h 26m

$906

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Thu 5/22

11:54 pm-4:05 am

2 stops24h 11m

Buenos Aires Jorge Newbery

Sun 5/25

9:05 pm-12:38 pm

2 stops43h 33m

$915

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Wed 5/14

10:15 am-8:00 am

1 stop17h 45m

Buenos Aires Ministro Pistarini

Wed 6/4

9:00 pm-11:55 pm

1 stop30h 55m

$923

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Sat 5/10

10:39 pm-12:47 am

2 stops46h 08m

Buenos Aires Ministro Pistarini

Sat 5/17

2:32 pm-11:10 pm

1 stop36h 38m

$925

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Mon 5/5

12:35 am-6:10 am

2 stops25h 35m

Buenos Aires Ministro Pistarini

Mon 5/12

8:10 pm-6:40 pm

1 stop26h 30m

$952

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Thu 6/12

3:05 pm-9:25 pm

1 stop26h 20m

Buenos Aires Ministro Pistarini

Mon 6/30

11:25 pm-11:37 am

1 stop16h 12m

$954

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Tue 4/29

9:55 am-7:20 am

2 stops17h 25m

Buenos Aires Ministro Pistarini

Tue 5/13

10:30 pm-10:26 pm

1 stop27h 56m

$956

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Wed 5/14

1:08 pm-1:00 pm

2 stops19h 52m

Buenos Aires Jorge Newbery

Tue 6/3

3:40 am-9:15 pm

2 stops21h 35m

$1,157

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/28

Showing 1-10 of 23 results
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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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*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

How far ahead should I book a flight from Las Vegas to Buenos Aires?

Use this chart to determine the optimal time to book a round-trip flight from Las Vegas to Buenos Aires. Price data was last updated on March 21, 2025.

Booking 50 days in advance of your planned departure date is, on average, the best time to get cheap flights from Las Vegas to Buenos Aires. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, April is the cheapest month in which you can book a flight from Las Vegas to Buenos Aires (average of $795). Flying from Las Vegas to Buenos Aires in December is currently the most expensive (average of $1,260). 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.

What is the cheapest time of day to fly from LAS to BUE?

Find hourly flight availability from Las Vegas to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

It’s typically best to fly out from Las Vegas to Buenos Aires in the afternoon. Doing so could potentially save you 9% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Las Vegas to Buenos Aires?

Use this chart to determine the cheapest time to fly round-trip from Las Vegas to Buenos Aires. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Las Vegas to Buenos Aires flight should consider departing on Monday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Buenos Aires ranges from 2.0 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. June is typically the driest time to visit Buenos Aires when rainfall is around 2.0 in.

Temperature in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Buenos Aires, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 51.8 F).

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 March 28, 2025.
Get a feel of what it's like to fly with Delta, LATAM Airlines and Copa Airlines from Las Vegas to Buenos Aires by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LATAM Airlines
7.5
Good
1,750 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Copa Airlines
7.5
Good
1,395 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Aeromexico
7.5
Good
1,701 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,603 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    Currently priced at $859, 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 $871 and $923, respectively. Copa Airlines is priced at 16% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Las Vegas to Buenos Aires one-way?

    The cheapest airlines for a one-way flight from Las Vegas to Buenos Aires are Air Canada ($556), American Airlines ($596), and United Airlines ($678).

  • 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, April is the cheapest month in which you can book a flight from Las Vegas to Buenos Aires (average of $795). Flying from Las Vegas to Buenos Aires in December is currently the most expensive (average of $1,260). 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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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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$651Average$1,078FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$731Average$931FlexibilityNo cancel feeOn-time81%
DeltaCheapest$791Average$1,001FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$841Average$1,096FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$901Average$1,441FlexibilityNo cancel feeOn-time71%
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