Buenos Aires

$184+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BUE
Sep 3 — Sep 101
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Cheapflights Tip: The best prices from Austin Bergstrom to Buenos Aires are usually found in October or September, booked 19 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap 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 August 29, 2025.

Round-trip from

$545
(FlightHub)

One-way from

$184
(Kiwi.com)

Popular in

July

Cheapest in

October

Average price

$778
From Austin Bergstrom to Buenos Aires (BUE)
One-way flight from Austin Bergstrom to Buenos Aires (BUE)
Highest demand for flights based on searches. 10% potential increase in price ($95 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
Average for round-trip flights in August 2025

Find 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 August 29, 2025.

This FlightHub deal was found by Cheapflights users on 8/27. 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.
Fri 9/2610:45 amAUS - EZE
2 stops17h 10mLATAM Airlines
Thu 10/23:55 amEZE - AUS
2 stops22h 18mLATAM Airlines
Deal found 8/27$545
This FlightHub deal was found by Cheapflights users on 8/28. 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.
Wed 10/2910:43 amAUS - EZE
2 stops17h 12mLATAM Airlines
Sun 11/94:05 amEZE - AUS
2 stops23h 30mLATAM Airlines
Deal found 8/28$555
This FlightHub deal was found by Cheapflights users on 8/27. 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.
Wed 9/101:28 pmAUS - AEP
2 stops20h 32mLATAM Airlines
Tue 9/235:05 pmAEP - AUS
2 stops19h 49mLATAM Airlines
Deal found 8/27$558
This LATAM Airlines deal was found by Cheapflights users on 8/28. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/65:00 pmAUS - AEP
2 stops19h 00mLATAM Airlines
Sat 9/2010:55 pmAEP - AUS
2 stops27h 18mLATAM Airlines
Deal found 8/28$565
This Delta deal was found by Cheapflights users on 8/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/116:27 pmAUS - EZE
2 stops17h 13mDelta
Wed 11/127:50 amEZE - AUS
2 stops19h 45mDelta
Deal found 8/26$565
This United Airlines deal was found by Cheapflights users on 8/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/512:56 pmAUS - EZE
2 stops17h 04mUnited Airlines
Mon 10/139:00 pmEZE - AUS
1 stop13h 30mUnited Airlines
Deal found 8/26$570
This United Airlines deal was found by Cheapflights users on 8/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/67:45 pmAUS - EZE
1 stop34h 15mUnited Airlines
Sat 9/209:00 pmEZE - AUS
1 stop13h 51mUnited Airlines
Deal found 8/27$571
This Delta deal was found by Cheapflights users on 8/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/165:40 amAUS - EZE
2 stops22h 15mDelta
Thu 10/238:10 pmEZE - AUS
1 stop28h 57mDelta
Deal found 8/27$573
This FlightHub deal was found by Cheapflights users on 8/27. 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.
Sat 10/45:00 pmAUS - EZE
2 stops18h 40mLATAM Airlines
Wed 12/178:00 amEZE - AUS
2 stops19h 27mLATAM Airlines
Deal found 8/27$574
This United Airlines deal was found by Cheapflights users on 8/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2912:10 pmAUS - EZE
1 stop17h 50mUnited Airlines
Mon 9/89:00 pmEZE - AUS
1 stop20h 23mUnited Airlines
Deal found 8/27$575
This American Airlines deal was found by Cheapflights users on 8/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/105:14 amAUS - EZE
1 stop24h 06mAmerican Airlines
Tue 9/238:40 pmEZE - AUS
2 stops16h 58mAmerican Airlines
Deal found 8/28$578
This LATAM Airlines deal was found by Cheapflights users on 8/27. 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.
Thu 10/25:00 pmAUS - AEP
2 stops22h 00mLATAM Airlines
Mon 12/155:15 pmAEP - AUS
2 stops19h 28mLATAM Airlines
Deal found 8/27$585

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 August 29, 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

Wed 10/29

10:43 am-5:55 am

2 stops17h 12m

Buenos Aires Ministro Pistarini

Sun 11/9

4:05 am-12:35 am

2 stops23h 30m

$555

AustinBuenos Aires

AUS - EZE

AUSEZE

Austin Bergstrom

Wed 10/29

5:00 pm-2:00 pm

2 stops19h 00m

Buenos Aires Ministro Pistarini

Tue 11/4

4:05 am-12:22 am

2 stops23h 17m

$555

AustinBuenos Aires

AUS - EZE

AUSEZE

Austin Bergstrom

Sat 10/11

6:27 pm-1:40 pm

2 stops17h 13m

Buenos Aires Ministro Pistarini

Mon 10/20

7:40 am-9:38 am

2 stops27h 58m

$555

AustinBuenos Aires

AUS - EZE

AUSEZE

Austin Bergstrom

Sat 10/25

6:27 pm-2:00 pm

2 stops17h 33m

Buenos Aires Ministro Pistarini

Sun 11/2

4:05 am-12:22 am

2 stops23h 17m

$555

AustinBuenos Aires

AUS - AEP

AUSAEP

Austin Bergstrom

Tue 10/14

6:27 pm-4:05 pm

2 stops19h 38m

Buenos Aires Jorge Newbery

Wed 10/22

5:00 pm-11:05 am

2 stops20h 05m

$558

AustinBuenos Aires

AUS - AEP

AUSAEP

Austin Bergstrom

Wed 9/10

1:28 pm-12:00 pm

2 stops20h 32m

Buenos Aires Jorge Newbery

Tue 9/23

5:05 pm-10:54 am

2 stops19h 49m

$558

AustinBuenos Aires

AUS - AEP

AUSAEP

Austin Bergstrom

Wed 10/29

6:27 pm-4:00 pm

2 stops19h 33m

Buenos Aires Jorge Newbery

Wed 11/5

5:15 pm-11:05 am

2 stops20h 50m

$558

AustinBuenos Aires

AUS - AEP

AUSAEP

Austin Bergstrom

Fri 10/24

6:27 pm-4:05 pm

2 stops19h 38m

Buenos Aires Jorge Newbery

Tue 11/18

3:40 pm-9:54 am

2 stops21h 14m

$558

AustinBuenos Aires

AUS - EZE

AUSEZE

Austin Bergstrom

Mon 10/13

6:27 pm-1:55 pm

2 stops17h 28m

Buenos Aires Ministro Pistarini

Mon 11/10

7:43 pm-11:15 am

2 stops18h 32m

$558

AustinBuenos Aires

AUS - AEP

AUSAEP

Austin Bergstrom

Tue 10/14

6:27 pm-4:05 pm

2 stops19h 38m

Buenos Aires Jorge Newbery

Thu 10/23

5:00 pm-11:05 am

2 stops20h 05m

$565

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/26

Showing 1-10 of 35 results
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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 August 22, 2025.

The best time to book flights from Austin to Buenos Aires is 19 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 $795). Flying from Austin 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 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 August 29, 2025.

It’s optimal to fly from Austin to Buenos Aires in the evening. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight in the afternoon.

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 91% 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.

Houston (IAH) is the most affordable 1-stop option, with an average round-trip price of $585.

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 Houston (IAH) have the shortest average one-way travel time for 1-stop routes: 12h 20m.

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 Houston (IAH) offer the fastest connection on this route, with an average layover time of 1h 56m.

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 August 29, 2025.
See what other customers who have flown with Delta, LATAM Airlines, and Copa 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.
8.0
Very good

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

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

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

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

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

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

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

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

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

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

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

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 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 17h 12m. Fly via LATAM Airlines to get the fastest option. The distance from Austin to Buenos Aires is about 5161 mi.

  • 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 $301 on this airline. Additional options worth looking into are Copa Airlines and LATAM Airlines, starting at $369 and $438 round-trip. You may be able to fly from Austin to Buenos Aires for 62% 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 $264 on United Airlines. Other airlines that offer cheap prices include American Airlines from $264 and LATAM Airlines from $274 one-way.

  • 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 $795). Flying from Austin 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

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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 August 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$301Average$760FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$369Average$946FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$438Average$842FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$575Average$877FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$583Average$845FlexibilityNo cancel feeOn-time71%

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