Buenos Aires

$339+ 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
Jun 17 — Jun 241
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Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Buenos Aires are usually found in October or June, 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 June 12, 2025.

Round-trip from

$675
(United Airlines)

One-way from

$339
(Kiwi.com)

Popular in

July

Cheapest in

October

Average price

$910
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. 5% potential increase in price ($53 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in June 2025

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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/11. 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 10/148:00 amLAS - EZE
1 stop20h 00mUnited Airlines
Fri 10/249:00 pmEZE - LAS
1 stop24h 52mUnited Airlines
Deal found 6/11$675
This SmartFares deal was found by Cheapflights users on 6/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/41:56 pmLAS - AEP
2 stops21h 04mLATAM Airlines
Sat 11/82:55 pmAEP - LAS
2 stops36h 47mLATAM Airlines
Deal found 6/11$838
This Orbitz deal was found by Cheapflights users on 6/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/42:15 pmLAS - EZE
2 stops30h 10mAvianca
Fri 1/165:50 amEZE - LAS
2 stops36h 05mAvianca
Deal found 6/10$842
This Justfly.com deal was found by Cheapflights users on 6/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/111:15 pmLAS - EZE
2 stops18h 32mLATAM Airlines
Sun 10/196:13 pmEZE - LAS
2 stops22h 25mLATAM Airlines
Deal found 6/11$867
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Tue 7/13:05 pmLAS - EZE
3 stops30h 20mMultiple Airlines
Tue 7/85:33 amEZE - LAS
2 stops20h 52mMultiple Airlines
Deal found 6/11$882
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Tue 7/13:05 pmLAS - AEP
2 stops34h 35mMultiple Airlines
Tue 7/810:55 pmAEP - LAS
2 stops27h 30mMultiple Airlines
Deal found 6/11$898
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 11/31:37 amLAS - EZE
1 stop26h 33mAmerican Airlines
Sat 11/810:30 pmEZE - LAS
1 stop25h 10mAmerican Airlines
Deal found 6/11$901
This Copa Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 8/74:43 pmLAS - EZE
2 stops25h 25mCopa Airlines
Wed 8/208:54 amEZE - LAS
1 stop17h 36mCopa Airlines
Deal found 6/11$964
This Delta deal was found by Cheapflights users on 6/10. 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 6/161:11 pmLAS - EZE
1 stop16h 34mDelta
Thu 6/198:10 pmEZE - LAS
1 stop17h 12mDelta
Deal found 6/10$972
This Gurufare deal was found by Cheapflights users on 6/11. 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.
Sat 10/119:09 amLAS - AEP
2 stops24h 11mGOL
Sat 10/183:40 amAEP - LAS
2 stops22h 10mGOL
Deal found 6/11$1,616
This Avianca deal was found by Cheapflights users on 6/11. 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.
Tue 7/13:05 pmLAS - AEP
2 stops34h 35mAvianca
Fri 7/117:00 amAEP - LAS
2 stops34h 45mAvianca
Deal found 6/11$1,695

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 12, 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 10/14

8:00 am-8:00 am

1 stop20h 00m

Buenos Aires Ministro Pistarini

Fri 10/24

9:00 pm-5:52 pm

1 stop24h 52m

$675

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Thu 12/4

2:15 pm-1:25 am

2 stops30h 10m

Buenos Aires Ministro Pistarini

Fri 1/16

5:50 am-12:55 pm

2 stops36h 05m

$842

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Sat 10/11

1:15 pm-11:47 am

2 stops18h 32m

Buenos Aires Ministro Pistarini

Sun 10/19

6:13 pm-12:38 pm

2 stops22h 25m

$867

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Tue 7/1

3:05 pm-1:25 am

3 stops30h 20m

Buenos Aires Ministro Pistarini

Tue 7/8

5:33 am-10:25 pm

2 stops20h 52m

$882

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Tue 7/1

3:05 pm-5:40 am

2 stops34h 35m

Buenos Aires Jorge Newbery

Tue 7/8

10:55 pm-10:25 pm

2 stops27h 30m

$898

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Mon 11/3

1:37 am-9:10 am

1 stop26h 33m

Buenos Aires Ministro Pistarini

Sat 11/8

10:30 pm-6:40 pm

1 stop25h 10m

$901

Las VegasBuenos Aires

LAS - AEP

LASAEP

Las Vegas Harry Reid Intl

Thu 8/7

10:03 am-2:40 pm

2 stops24h 37m

Buenos Aires Jorge Newbery

Wed 8/20

2:55 pm-10:05 am

2 stops23h 10m

$938

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Thu 8/7

4:43 pm-10:08 pm

2 stops25h 25m

Buenos Aires Ministro Pistarini

Wed 8/20

8:54 am-10:30 pm

1 stop17h 36m

$964

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Thu 7/24

1:11 pm-9:45 am

1 stop16h 34m

Buenos Aires Ministro Pistarini

Fri 8/8

8:10 pm-10:45 am

1 stop18h 35m

$1,109

Las VegasBuenos Aires

LAS - EZE

LASEZE

Las Vegas Harry Reid Intl

Wed 11/5

11:45 pm-3:25 pm

2 stops34h 40m

Buenos Aires Ministro Pistarini

Sun 11/16

5:00 pm-8:34 pm

3 stops32h 34m

$1,235

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 24 results
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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 June 9, 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 June 12, 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 June 12, 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.
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $675, United Airlines will fly you from Las Vegas to Buenos Aires and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Avianca and LATAM Airlines - these airlines can fly you to your destination from $842 and $867, respectively. United 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 Avianca ($341), Air Canada ($582), and United Airlines ($683).

  • 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$651Average$750FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$663Average$1,033FlexibilityNo cancel feeOn-time69%
LATAM AirlinesCheapest$731Average$894FlexibilityNo cancel feeOn-time81%
DeltaCheapest$809Average$1,006FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$901Average$1,440FlexibilityNo cancel feeOn-time71%

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