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$310+ 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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — BUE
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$721
(American Airlines)

One-way from

$310
(Priceline)

Popular in

August

Cheapest in

May

Average price

$913
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 ($96 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This United Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 11/510:25 amLAS - EZE
1 stop15h 55mUnited Airlines
Tue 11/1810:05 pmEZE - LAS
1 stop30h 25mUnited Airlines
Deal found 4/30$634
This Copa Airlines deal was found by Cheapflights users on 4/30. 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 stop16h 25mCopa Airlines
Deal found 4/30$704
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 5/146:00 amLAS - EZE
1 stop22h 55mAmerican Airlines
Wed 6/410:30 pmEZE - LAS
1 stop27h 11mAmerican Airlines
Deal found 4/30$728
This Priceline deal was found by Cheapflights users on 4/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/153:05 pmLAS - EZE
2 stops30h 20mMultiple Airlines
Thu 2/197:35 pmEZE - LAS
2 stops26h 20mMultiple Airlines
Deal found 4/30$813
This LATAM Airlines deal was found by Cheapflights users on 4/30. 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 5/512:45 pmLAS - EZE
2 stops19h 02mLATAM Airlines
Tue 5/1312:48 pmEZE - LAS
2 stops28h 04mLATAM Airlines
Deal found 4/30$856
This LATAM Airlines deal was found by Cheapflights users on 4/30. 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 5/145:27 pmLAS - AEP
2 stops18h 33mLATAM Airlines
Wed 6/48:10 pmAEP - LAS
2 stops22h 11mLATAM Airlines
Deal found 4/30$856
This Delta deal was found by Cheapflights users on 4/30. 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.
Tue 7/151:10 pmLAS - EZE
1 stop16h 35mDelta
Thu 2/193:45 amEZE - LAS
2 stops23h 59mDelta
Deal found 4/30$871
This FlightHub deal was found by Cheapflights users on 4/30. 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 8/73:05 pmLAS - EZE
2 stops30h 20mAvianca
Tue 8/191:40 amEZE - LAS
2 stops40h 05mAvianca
Deal found 4/30$944
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Sat 6/143:00 pmLAS - AEP
2 stops33h 40mMultiple Airlines
Fri 6/2012:05 amAEP - LAS
3 stops27h 24mMultiple Airlines
Deal found 4/30$964
This Air Canada deal was found by Cheapflights users on 4/30. 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 8/208:00 amLAS - EZE
3 stops26h 30mAir Canada
Wed 9/104:35 pmEZE - LAS
2 stops33h 43mAir Canada
Deal found 4/30$1,079
This oojo deal was found by Cheapflights users on 4/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/198:10 amLAS - AEP
2 stops24h 50mGOL
Tue 5/273:40 amAEP - LAS
2 stops22h 47mGOL
Deal found 4/29$1,911

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 May 1, 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

Wed 5/14

9:49 am-8:55 am

2 stops19h 06m

Buenos Aires Ministro Pistarini

Wed 6/4

10:30 pm-3:40 pm

2 stops21h 10m

$721

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Sun 5/25

3:40 pm-8:00 am

1 stop36h 20m

Buenos Aires Ministro Pistarini

Sun 6/8

9:00 pm-8:40 am

1 stop15h 40m

$726

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Tue 7/15

3:05 pm-1:25 am

2 stops30h 20m

Buenos Aires Ministro Pistarini

Thu 2/19

7:35 pm-4:55 pm

2 stops26h 20m

$813

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Tue 5/13

1:55 am-10:11 pm

1 stop16h 16m

Buenos Aires Ministro Pistarini

Wed 6/4

5:03 am-10:30 pm

1 stop21h 27m

$822

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Wed 5/14

5:27 pm-4:00 pm

2 stops18h 33m

Buenos Aires Jorge Newbery

Wed 6/4

8:10 pm-2:21 pm

2 stops22h 11m

$856

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Tue 7/15

1:10 pm-9:45 am

1 stop16h 35m

Buenos Aires Ministro Pistarini

Thu 2/19

3:45 am-10:44 pm

2 stops23h 59m

$871

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Thu 8/7

3:05 pm-1:25 am

2 stops30h 20m

Buenos Aires Ministro Pistarini

Tue 8/19

1:40 am-1:45 pm

2 stops40h 05m

$944

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Mon 7/14

5:36 pm-2:30 am

2 stops28h 54m

Buenos Aires Ministro Pistarini

Wed 2/18

7:35 am-10:44 pm

2 stops20h 09m

$949

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Sat 6/14

3:00 pm-4:40 am

2 stops33h 40m

Buenos Aires Jorge Newbery

Fri 6/20

12:05 am-11:29 pm

3 stops27h 24m

$964

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Wed 8/20

8:00 am-2:30 pm

3 stops26h 30m

Buenos Aires Ministro Pistarini

Wed 9/10

4:35 pm-10:12 pm

3 stops33h 37m

$1,079

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 21 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 May.
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 25, 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 May 1, 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 May 1, 2025.
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

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
1,767 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

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
1,415 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

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
1,698 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

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
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

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 $721, American Airlines will fly you from Las Vegas to Buenos Aires and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Copa Airlines - these airlines can fly you to your destination from $726 and $822, respectively. American Airlines is priced at 29% 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 Avianca ($310), LATAM Airlines ($575), and Air Canada ($634).

  • 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 May 1, 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$1,050FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$901Average$1,494FlexibilityNo cancel feeOn-time71%

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