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$320+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BUE
May 29 — Jun 51
Fri 5/29
Fri 6/5
1 adult, Economy
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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 April 29, 2026.

This LATAM Airlines deal was found by Cheapflights users on 4/27. 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.
Tue 9/229:00 am
AUS
-
AEP
2 stops33h 00m
LATAM Airlines
Thu 9/243:45 pm
AEP
-
AUS
2 stops31h 40m
LATAM Airlines
Deal found 4/27$687
This FlightHub deal was found by Cheapflights users on 4/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/12:48 pm
AUS
-
EZE
2 stops16h 52m
LATAM Airlines
Fri 6/51:10 pm
EZE
-
AUS
2 stops24h 12m
LATAM Airlines
Deal found 4/27$706
This FlightHub deal was found by Cheapflights users on 4/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/19:00 am
AUS
-
EZE
1 stop22h 40m
LATAM Airlines
Wed 6/101:10 pm
EZE
-
AUS
2 stops23h 54m
LATAM Airlines
Deal found 4/26$721
This FlightHub deal was found by Cheapflights users on 4/28. 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.
Sat 9/59:00 am
AUS
-
EZE
1 stop22h 40m
LATAM Airlines
Fri 9/183:55 am
EZE
-
AUS
2 stops19h 30m
LATAM Airlines
Deal found 4/28$732
This Justfly.com deal was found by Cheapflights users on 4/25. 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.
Fri 7/178:35 am
AUS
-
EZE
1 stop22h 45m
LATAM Airlines
Sat 7/253:55 am
EZE
-
AUS
2 stops22h 23m
LATAM Airlines
Deal found 4/25$735
This LATAM Airlines deal was found by Cheapflights users on 4/27. 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.
Tue 7/71:31 pm
AUS
-
EZE
2 stops18h 09m
LATAM Airlines
Thu 7/161:10 pm
EZE
-
AUS
2 stops23h 53m
LATAM Airlines
Deal found 4/27$740
This FlightHub deal was found by Cheapflights users on 4/24. 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.
Mon 6/158:35 am
AUS
-
EZE
1 stop22h 45m
LATAM Airlines
Mon 6/2210:40 pm
EZE
-
AUS
1 stop24h 31m
LATAM Airlines
Deal found 4/24$742
This LATAM Airlines deal was found by Cheapflights users on 4/23. 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.
Tue 6/301:31 pm
AUS
-
EZE
2 stops17h 49m
LATAM Airlines
Wed 7/1510:40 pm
EZE
-
AUS
1 stop24h 33m
LATAM Airlines
Deal found 4/23$745
This FlightHub deal was found by Cheapflights users on 4/28. 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 10/99:00 am
AUS
-
EZE
1 stop22h 40m
LATAM Airlines
Fri 10/168:10 pm
EZE
-
AUS
1 stop17h 09m
LATAM Airlines
Deal found 4/28$747
This FlightHub deal was found by Cheapflights users on 4/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/141:31 pm
AUS
-
EZE
2 stops18h 09m
LATAM Airlines
Mon 7/273:55 am
EZE
-
AUS
2 stops22h 23m
LATAM Airlines
Deal found 4/27$751
This LATAM Airlines deal was found by Cheapflights users on 4/26. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/78:35 am
AUS
-
AEP
2 stops31h 50m
LATAM Airlines
Sun 6/218:05 pm
AEP
-
AUS
2 stops27h 06m
LATAM Airlines
Deal found 4/26$776
This KAYAK deal was found by Cheapflights users on 4/27. 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 4/309:00 am
AUS
-
AEP
2 stops32h 40m
LATAM Airlines
Thu 5/77:20 pm
AEP
-
AUS
2 stops27h 58m
LATAM Airlines
Deal found 4/27$777

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 April 29, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$687
(LATAM Airlines)

One-way from

$320
(FlightHub)

Popular in

July

Cheapest in

November

Average price

$646
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. 10% potential increase in price ($86 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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 April 29, 2026.
Use the filters below to find and compare flights from Austin to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AustinBuenos Aires

AUS - EZE

AUSEZE

Austin Bergstrom

Fri 6/19

8:35 am-9:20 am

1 stop22h 45m

Buenos Aires Ministro Pistarini

Fri 7/3

3:55 am-9:11 pm

2 stops19h 16m

$732

AustinBuenos Aires

AUS - EZE

AUSEZE

Austin Bergstrom

Tue 5/19

9:00 am-9:20 am

1 stop22h 20m

Buenos Aires Ministro Pistarini

Mon 6/8

3:55 am-12:25 am

2 stops22h 30m

$755

AustinBuenos Aires

AUS - EZE

AUSEZE

Austin Bergstrom

Tue 6/2

2:48 pm-11:30 am

2 stops18h 42m

Buenos Aires Ministro Pistarini

Tue 6/9

1:10 pm-11:04 am

2 stops23h 54m

$766

AustinBuenos Aires

AUS - EZE

AUSEZE

Austin Bergstrom

Sun 6/7

8:45 am-8:00 am

2 stops21h 15m

Buenos Aires Ministro Pistarini

Sun 6/21

9:00 pm-11:12 pm

1 stop28h 12m

$767

AustinBuenos Aires

AUS - EZE

AUSEZE

Austin Bergstrom

Thu 7/2

8:15 am-9:45 am

1 stop23h 30m

Buenos Aires Ministro Pistarini

Sun 7/12

7:35 am-12:18 am

2 stops18h 43m

$777

AustinBuenos Aires

AUS - EZE

AUSEZE

Austin Bergstrom

Fri 7/10

3:00 pm-9:45 am

1 stop16h 45m

Buenos Aires Ministro Pistarini

Mon 7/27

8:10 pm-3:50 pm

1 stop21h 40m

$777

AustinBuenos Aires

AUS - EZE

AUSEZE

Austin Bergstrom

Wed 5/20

4:20 pm-8:00 am

1 stop13h 40m

Buenos Aires Ministro Pistarini

Sat 6/6

9:00 pm-1:12 pm

1 stop18h 12m

$777

AustinBuenos Aires

AUS - EZE

AUSEZE

Austin Bergstrom

Wed 7/8

9:00 am-9:20 am

1 stop22h 20m

Buenos Aires Ministro Pistarini

Mon 7/27

8:10 pm-1:54 pm

1 stop19h 44m

$777
Quickest round-trip

AustinBuenos Aires

AUS - EZE

AUSEZE

Austin Bergstrom

Sat 5/30

5:58 pm-8:00 am

1 stop12h 02m

Buenos Aires Ministro Pistarini

Sun 7/12

9:00 pm-8:39 am

1 stop13h 39m

$777

AustinBuenos Aires

AUS - AEP

AUSAEP

Austin Bergstrom

Sun 5/24

9:00 am-6:30 pm

2 stops31h 30m

Buenos Aires Jorge Newbery

Fri 6/5

5:35 pm-9:18 pm

2 stops29h 43m

$777

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Showing 1-10 of 28 resultsSorted by cheapest first
1
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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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 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 Austin-Buenos Aires flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Austin-Buenos Aires flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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?

The best time to book flights from Austin to Buenos Aires is 85 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, April is the cheapest month in which you can book a flight from Austin to Buenos Aires (average of $244). Flying from Austin to Buenos Aires in March is currently the most expensive (average of $573). 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.

How much does it cost to fly round-trip from Austin to Buenos Aires?

What’s the top layover airport for flights from Austin to Buenos Aires?

Share of 1-stop round-trip flights from Austin to Buenos Aires chosen by Cheapflights users in the past 12 months, using the same layover each way.

Panama City (PTY) – chosen by Cheapflights users on 67% of 1-stop itineraries from Austin to Buenos Aires on Cheapflights.

What’s the cheapest layover airport for flights from Austin to Buenos Aires?

Average round-trip fare for 1-stop flights from Austin to Buenos Aires, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Panama City (PTY) is the most affordable 1-stop option, with an average round-trip price of $568.

What’s the fastest layover option from Austin to Buenos Aires?

Shortest average travel time for 1-stop one-way flights from Austin to Buenos Aires, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Panama City (PTY) have the shortest average one-way travel time for 1-stop routes: 14h 19m.

Which airport typically offers the quickest layover for flights from Austin to Buenos Aires?

Average layover duration for 1-stop one-way flights from Austin to Buenos Aires, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Panama City (PTY) offer the fastest connection on this route, with an average layover time of 2h 08m.

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 29, 2026.
See what other customers who have flown with Delta,Copa Airlines, andLATAM 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
8,465 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

7.9

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
8,465 reviews
Delta
7.9
Good
8,465 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

7.9

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
7.5
Good
1,580 reviews
Delta
7.9
Good
8,465 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

7.9

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
7.4
Good
1,912 reviews
Delta
7.9
Good
8,465 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

7.9

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
9,680 reviews
Delta
7.9
Good
8,465 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

7.9

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
7.1
Good
11,678 reviews
Delta
7.9
Good
8,465 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

7.9

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 21h 15m. Fly via LATAM Airlines, United Airlines, or Delta 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 Copa Airlines. Our recent data shows that you can find tickets from as low as $244 on this airline. Additional options worth looking into are LATAM Airlines and American Airlines, starting at $397 and $532 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 Delta from $264 and United Airlines 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 Bayou Music Center. Those on a layover in Houston interested in visiting Space Center Houston, House of Blues Houston, or Bayou 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 $41 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, April is the cheapest month in which you can book a flight from Austin to Buenos Aires (average of $244). Flying from Austin to Buenos Aires in March is currently the most expensive (average of $573). 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 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 April 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$244Average$593FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$397Average$764FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$532Average$744FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$539Average$747FlexibilityNo cancel feeOn-time69%
DeltaCheapest$565Average$658FlexibilityNo cancel feeOn-timeN/A

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