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$421+ 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 6/28. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — BUE
Apr 27 — May 41
Sun 4/27
Sun 5/4
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 March, 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 April 22, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$704
(Copa Airlines)

One-way from

$421
(Trip.com)

Popular in

August

Cheapest in

May

Average price

$973
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. 8% potential increase in price ($97 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 22, 2025.

This Copa Airlines deal was found by Cheapflights users on 4/22. 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.
Sun 5/41:55 amLAS - EZE
1 stop19h 03mCopa Airlines
Tue 5/1310:05 amEZE - LAS
1 stop17h 05mCopa Airlines
Deal found 4/22$704
This United Airlines deal was found by Cheapflights users on 4/22. 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 5/62:02 pmLAS - EZE
1 stop13h 58mUnited Airlines
Tue 5/209:00 pmEZE - LAS
1 stop24h 55mUnited Airlines
Deal found 4/22$716
This American Airlines deal was found by Cheapflights users on 4/22. 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.
Thu 5/811:54 amLAS - EZE
1 stop18h 21mAmerican Airlines
Thu 5/2210:30 pmEZE - LAS
1 stop24h 40mAmerican Airlines
Deal found 4/22$799
This LATAM Airlines deal was found by Cheapflights users on 4/22. 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.
Mon 5/512:35 amLAS - EZE
2 stops25h 20mLATAM Airlines
Tue 5/2012:58 pmEZE - LAS
2 stops31h 27mLATAM Airlines
Deal found 4/22$856
This LATAM Airlines deal was found by Cheapflights users on 4/22. 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 5/81:57 pmLAS - AEP
2 stops20h 43mLATAM Airlines
Thu 5/228:10 pmAEP - LAS
2 stops31h 15mLATAM Airlines
Deal found 4/22$856
This LATAM Airlines deal was found by Cheapflights users on 4/22. 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.
Mon 5/266:00 amLAS - AEP
2 stops28h 40mMultiple Airlines
Wed 6/119:05 pmAEP - LAS
2 stops43h 19mMultiple Airlines
Deal found 4/22$911
This Aeromexico deal was found by Cheapflights users on 4/22. 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 stop26h 53mAeromexico
Deal found 4/22$955
This Mytrip deal was found by Cheapflights users on 4/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/266:20 amLAS - EZE
3 stops35h 51mMultiple Airlines
Wed 6/114:35 pmEZE - LAS
3 stops31h 33mMultiple Airlines
Deal found 4/22$1,017
This Air Canada deal was found by Cheapflights users on 4/22. 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.
Wed 8/2012:10 pmLAS - EZE
2 stops22h 20mAir Canada
Wed 9/104:35 pmEZE - LAS
3 stops33h 37mAir Canada
Deal found 4/22$1,079
This FlightHub deal was found by Cheapflights users on 4/22. 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.
Thu 6/123:05 pmLAS - EZE
3 stops30h 20mAvianca
Mon 6/306:50 amEZE - LAS
2 stops34h 55mAvianca
Deal found 4/22$1,206
This Delta deal was found by Cheapflights users on 4/22. 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 5/512:35 amLAS - EZE
2 stops25h 20mDelta
Tue 5/208:10 pmEZE - LAS
1 stop24h 25mDelta
Deal found 4/22$2,416
This Travelocity deal was found by Cheapflights users on 4/21. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2311:59 pmLAS - EZE
2 stops31h 21mGOL
Fri 1/23:15 amEZE - LAS
2 stops23h 47mGOL
Deal found 4/21$4,557

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 April 22, 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

Sun 5/4

1:55 am-12:58 am

1 stop19h 03m

Buenos Aires Ministro Pistarini

Tue 5/13

10:05 am-11:10 pm

1 stop17h 05m

$704

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Tue 5/6

2:02 pm-8:00 am

1 stop13h 58m

Buenos Aires Ministro Pistarini

Tue 5/20

9:00 pm-5:55 pm

1 stop24h 55m

$716

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Thu 5/8

11:54 am-10:15 am

1 stop18h 21m

Buenos Aires Ministro Pistarini

Thu 5/22

10:30 pm-7:10 pm

1 stop24h 40m

$799

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Mon 5/5

12:35 am-5:55 am

2 stops25h 20m

Buenos Aires Ministro Pistarini

Tue 5/20

12:58 pm-4:25 pm

2 stops31h 27m

$856

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Thu 5/8

1:57 pm-2:40 pm

2 stops20h 43m

Buenos Aires Jorge Newbery

Thu 5/22

8:10 pm-11:25 pm

2 stops31h 15m

$856

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Mon 5/26

6:00 am-2:40 pm

2 stops28h 40m

Buenos Aires Jorge Newbery

Wed 6/11

9:05 pm-12:24 pm

2 stops43h 19m

$911

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-10:18 pm

1 stop26h 53m

$955

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Mon 5/26

6:20 am-10:11 pm

3 stops35h 51m

Buenos Aires Ministro Pistarini

Wed 6/11

4:35 pm-8:08 pm

3 stops31h 33m

$1,017

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Thu 6/12

3:05 pm-1:25 am

3 stops30h 20m

Buenos Aires Ministro Pistarini

Mon 6/30

6:50 am-1:45 pm

2 stops34h 55m

$1,206

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Thu 5/8

4:50 pm-2:30 pm

3 stops41h 40m

Buenos Aires Ministro Pistarini

Thu 5/22

4:35 pm-10:30 pm

2 stops33h 55m

$1,289

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 18 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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Las Vegas-Buenos Aires flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 April 18, 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 April 22, 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 April 22, 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
7,920 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

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
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

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
1,764 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

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
1,408 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

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
1,700 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

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
8,683 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

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 $704, 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 United Airlines and American Airlines - these airlines can fly you to your destination from $716 and $799, respectively. Copa Airlines is priced at 31% 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 LATAM Airlines ($421), United Airlines ($678), and Aeromexico ($2,088).

  • 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 April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$651Average$770FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$731Average$931FlexibilityNo cancel feeOn-time81%
DeltaCheapest$791Average$998FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$819Average$1,065FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$901Average$1,473FlexibilityNo cancel feeOn-time71%

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