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$261+ Cheap flights from Austin (AUS) 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 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BUE
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheapflights Tip: The best prices from Austin Bergstrom to Buenos Aires are usually found in February or November, booked 16 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap flight deals from Austin to Buenos Aires

Cheapest flights from Austin to Buenos Aires
Explore the most affordable flight options available from Austin to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:59 pmAUS - EZE
1 stop12h 21mUnited Airlines
Mon 12/2211:55 pmEZE - AUS
1 stop23h 00mUnited Airlines
Deal found 12/10$586
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:24 pmAUS - EZE
1 stop15h 06mAmerican Airlines
Mon 1/2611:20 pmEZE - AUS
1 stop14h 35mAmerican Airlines
Deal found 12/10$602
This United Airlines deal was found by Cheapflights users on 12/9. 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.
Mon 12/154:19 pmAUS - EZE
1 stop14h 01mUnited Airlines
Fri 12/1910:05 pmEZE - AUS
1 stop20h 17mUnited Airlines
Deal found 12/9$622
This American Airlines deal was found by Cheapflights users on 12/11. 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.
Wed 12/314:17 pmAUS - EZE
1 stop13h 13mAmerican Airlines
Sun 1/2511:20 pmEZE - AUS
1 stop14h 33mAmerican Airlines
Deal found 12/11$652
This LATAM Airlines deal was found by Cheapflights users on 12/11. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:35 pmAUS - EZE
1 stop16h 25mLATAM Airlines
Thu 1/228:05 amEZE - AUS
2 stops19h 15mLATAM Airlines
Deal found 12/11$666
This KAYAK deal was found by Cheapflights users on 12/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:55 amAUS - EZE
2 stops19h 40mLATAM Airlines
Thu 1/228:05 amEZE - AUS
2 stops19h 15mLATAM Airlines
Deal found 12/11$670
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/3012:15 pmAUS - EZE
1 stop16h 05mUnited Airlines
Thu 1/2210:05 pmEZE - AUS
1 stop16h 26mUnited Airlines
Deal found 12/11$730
This American Airlines deal was found by Cheapflights users on 12/11. 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.
Wed 12/319:00 amAUS - EZE
1 stop20h 30mAmerican Airlines
Fri 1/2311:20 pmEZE - AUS
1 stop14h 35mAmerican Airlines
Deal found 12/11$735
This LATAM Airlines deal was found by Cheapflights users on 12/11. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:00 amAUS - AEP
2 stops22h 30mMultiple Airlines
Thu 1/225:15 pmAEP - AUS
2 stops46h 15mMultiple Airlines
Deal found 12/11$831
This Mytrip deal was found by Cheapflights users on 12/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amAUS - AEP
3 stops28h 30mMultiple Airlines
Fri 1/2311:30 amAEP - AUS
3 stops26h 04mMultiple Airlines
Deal found 12/10$870
This Orbitz deal was found by Cheapflights users on 12/10. 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.
Wed 12/3112:52 pmAUS - AEP
2 stops19h 53mLATAM Airlines
Thu 1/225:15 pmAEP - AUS
2 stops27h 20mLATAM Airlines
Deal found 12/10$927
This Priceline deal was found by Cheapflights users on 12/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:00 amAUS - AEP
2 stops22h 30mLATAM Airlines
Sun 1/2510:30 pmAEP - AUS
2 stops26h 05mLATAM Airlines
Deal found 12/11$935

Find flight deals from Austin to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$574
(Copa Airlines)

One-way from

$261
(Copa Airlines)

Popular in

July

Cheapest in

February

Average price

$920
Provider with most accurate pricing for Austin Bergstrom-Buenos Aires (BUE) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Austin Bergstrom-Buenos Aires (BUE) flights.
Search Deals
From Austin Bergstrom to Buenos Aires (BUE)
Search Deals
One-way flight from Austin Bergstrom to Buenos Aires (BUE)
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($115 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Austin 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 December 12, 2025.
Use the filters below to find and compare flights from Austin to Buenos Aires that are best for you.

Fly from

Austin

Fly to

Buenos Aires

Route

Depart

Return

Price

AustinBuenos Aires

AUS - EZE

AUSEZE

Austin Bergstrom

Mon 3/2

9:43 am-9:20 am

1 stop20h 37m

Buenos Aires Ministro Pistarini

Mon 3/9

10:55 pm-3:22 pm

1 stop18h 27m

$577

AustinBuenos Aires

AUS - EZE

AUSEZE

Austin Bergstrom

Tue 1/13

2:22 pm-9:20 am

1 stop15h 58m

Buenos Aires Ministro Pistarini

Tue 2/3

10:05 pm-11:31 am

1 stop16h 26m

$586

AustinBuenos Aires

AUS - EZE

AUSEZE

Austin Bergstrom

Wed 1/14

4:20 pm-7:20 am

1 stop12h 00m

Buenos Aires Ministro Pistarini

Tue 2/3

10:05 pm-1:09 pm

1 stop18h 04m

$586

AustinBuenos Aires

AUS - EZE

AUSEZE

Austin Bergstrom

Tue 1/13

4:20 pm-7:20 am

1 stop12h 00m

Buenos Aires Ministro Pistarini

Thu 2/5

11:55 pm-11:31 am

1 stop14h 36m

$586

AustinBuenos Aires

AUS - EZE

AUSEZE

Austin Bergstrom

Tue 2/3

2:22 pm-7:20 am

1 stop13h 58m

Buenos Aires Ministro Pistarini

Mon 2/16

10:05 pm-3:22 pm

1 stop20h 17m

$586

AustinBuenos Aires

AUS - EZE

AUSEZE

Austin Bergstrom

Sun 2/8

5:55 pm-9:20 am

1 stop12h 25m

Buenos Aires Ministro Pistarini

Wed 2/18

11:55 pm-1:13 pm

1 stop16h 18m

$586

AustinBuenos Aires

AUS - EZE

AUSEZE

Austin Bergstrom

Sun 2/8

12:27 pm-9:20 am

1 stop17h 53m

Buenos Aires Ministro Pistarini

Fri 2/20

10:05 pm-3:32 pm

1 stop20h 27m

$586

AustinBuenos Aires

AUS - AEP

AUSAEP

Austin Bergstrom

Sun 3/8

8:51 am-2:00 pm

2 stops27h 09m

Buenos Aires Jorge Newbery

Tue 3/17

5:15 pm-12:18 pm

2 stops21h 03m

$666

AustinBuenos Aires

AUS - AEP

AUSAEP

Austin Bergstrom

Thu 3/12

6:39 pm-4:00 pm

2 stops19h 21m

Buenos Aires Jorge Newbery

Mon 3/23

5:15 pm-9:32 pm

2 stops30h 17m

$666

AustinBuenos Aires

AUS - AEP

AUSAEP

Austin Bergstrom

Tue 2/3

10:46 am-4:00 pm

2 stops26h 14m

Buenos Aires Jorge Newbery

Mon 2/16

5:15 pm-9:35 pm

2 stops31h 20m

$666

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 39 results
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Compare providers for flights from Austin 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 Austin to Buenos Aires in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
AranGrantPrice Accuracy2 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 Austin-Buenos Aires flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Austin-Buenos Aires flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Austin-Buenos Aires flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Austin-Buenos Aires flights, Cheapflights users trust eDreams the most. eDreams 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 Austin-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 Austin to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Austin 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 Austin to Buenos Aires

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

Use this chart to determine the optimal time to book a round-trip flight from Austin to Buenos Aires. Price data was last updated on December 5, 2025.

The best time to book flights from Austin to Buenos Aires is 16 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, June is the cheapest month in which you can book a flight from Austin to Buenos Aires (average of $274). Flying from Austin to Buenos Aires in October is currently the most expensive (average of $576). 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 AUS to BUE?

Find hourly flight availability from Austin 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 December 12, 2025.

It’s optimal to fly from Austin to Buenos Aires in the evening. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight at noon.

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 December 12, 2025.
See what other customers who have flown with Delta, Copa Airlines, and LATAM Airlines from Austin to Buenos Aires have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Copa Airlines
7.6
Good
1,558 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
LATAM Airlines
7.5
Good
1,887 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,050 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Austin 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 Austin to Buenos Aires?

    Located just 7.5 mi from the city center, Austin Bergstrom is the airport most travelers will use when flying to Buenos Aires from Austin. Booking flights from Austin Bergstrom (AUS) to Buenos Aires should be relatively easy as there are 0 daily outbound flights to Buenos Aires from 5 different airlines.

  • How long is the flight from Austin to Buenos Aires?

    There are many flights that can get you from Austin to Buenos Aires in 20h 37m. Fly via United Airlines or LATAM Airlines to get the fastest option. The distance from Austin to Buenos Aires is about 5161 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Our cheapest airline available from Austin to Buenos Aires is Delta. Our recent data shows that you can find tickets from as low as $264 on this airline. Additional options worth looking into are Copa Airlines and LATAM Airlines, starting at $369 and $396 round-trip. You may be able to fly from Austin to Buenos Aires for 65% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as $240 on Copa Airlines. Other airlines that offer cheap prices include American Airlines from $264 and Delta from $264 one-way.

  • Where are the most common layover locations when flying from Austin to Buenos Aires?

    The most popular layover on flights from Austin to Buenos Aires is Houston.

  • What are some popular things to do or see while on a layover in Houston?

    Most Houston visitors opt to spend their time experiencing Space Center Houston, House of Blues Houston, and Revention Music Center. Those on a layover in Houston interested in visiting Space Center Houston, House of Blues Houston, or Revention Music Center can do so by traveling 33.5 mi, 16.1 mi, and 15.5 mi, respectively from Houston George Bush Intcntl. Those looking to explore during their layover in Houston can rent a car from Houston George Bush Intcntl for about $38 per day.

  • Where are the least popular layover locations for Austin to Buenos Aires flights?

    Flights departing from Austin and landing in Buenos Aires layover in Atlanta least frequently.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Austin 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 Austin to Buenos Aires?

    Currently, June is the cheapest month in which you can book a flight from Austin to Buenos Aires (average of $274). Flying from Austin to Buenos Aires in October is currently the most expensive (average of $576). 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

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Alternative routes for Austin to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Austin to Buenos Aires

Discover the top 5 airlines that operate flights from Austin 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$284Average$705FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$406Average$829FlexibilityNo cancel feeOn-time81%
Copa AirlinesCheapest$487Average$937FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$532Average$1,117FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$564Average$812FlexibilityNo cancel feeOn-time69%

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