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$264+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BUE
Jun 18 — Jun 251
Wed 6/18
Wed 6/25
1 adult, Economy
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Cheapflights Tip: The best prices from Austin Bergstrom to Buenos Aires are usually found in October or April, 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 June 13, 2025.

Round-trip from

$560
(Justfly.com)

One-way from

$264
(LATAM Airlines)

Popular in

July

Cheapest in

October

Average price

$863
From Austin Bergstrom to Buenos Aires (BUE)
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One-way flight from Austin Bergstrom to Buenos Aires (BUE)
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Highest demand for flights based on searches. 10% potential increase in price ($97 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 13, 2025.

This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/82:45 pmAUS - EZE
2 stops19h 02mLATAM Airlines
Tue 9/1612:48 pmEZE - AUS
2 stops22h 55mLATAM Airlines
Deal found 6/10$560
This LATAM Airlines deal was found by Cheapflights users on 6/12. 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.
Fri 9/51:28 pmAUS - AEP
2 stops22h 32mLATAM Airlines
Tue 9/93:40 pmAEP - AUS
2 stops20h 03mLATAM Airlines
Deal found 6/12$565
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/55:00 pmAUS - EZE
1 stop14h 45mDelta
Mon 10/278:55 pmEZE - AUS
1 stop14h 48mDelta
Deal found 6/11$565
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.
Mon 9/82:15 pmAUS - EZE
1 stop15h 45mUnited Airlines
Thu 10/309:05 pmEZE - AUS
2 stops19h 03mUnited Airlines
Deal found 6/11$570
This Copa Airlines 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/103:36 pmAUS - EZE
1 stop14h 18mCopa Airlines
Tue 8/52:13 amEZE - AUS
1 stop13h 42mCopa Airlines
Deal found 6/10$586
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/108:25 amAUS - EZE
2 stops25h 33mMultiple Airlines
Tue 8/52:13 amEZE - AUS
1 stop13h 42mMultiple Airlines
Deal found 6/10$662
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/153:05 pmAUS - EZE
1 stop17h 10mAmerican Airlines
Sun 6/298:30 pmEZE - AUS
1 stop16h 08mAmerican Airlines
Deal found 6/10$694
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/262:15 pmAUS - AEP
2 stops47h 50mMultiple Airlines
Sat 8/210:35 amAEP - AUS
2 stops24h 51mMultiple Airlines
Deal found 6/11$789
This Gurufare deal was found by Cheapflights users on 6/12. 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.
Wed 9/311:01 amAUS - AEP
2 stops23h 59mGOL
Sun 9/73:40 amAEP - AUS
2 stops20h 02mGOL
Deal found 6/12$1,520
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/25:04 pmAUS - AEP
2 stops18h 56mDelta
Mon 9/152:50 pmAEP - AUS
2 stops22h 23mDelta
Deal found 6/11$8,675

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 June 13, 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 9/8

2:45 pm-11:47 am

2 stops19h 02m

Buenos Aires Ministro Pistarini

Mon 9/15

3:55 am-12:27 am

2 stops22h 32m

$560

AustinBuenos Aires

AUS - EZE

AUSEZE

Austin Bergstrom

Fri 9/5

6:22 pm-9:45 am

1 stop13h 23m

Buenos Aires Ministro Pistarini

Mon 10/27

3:45 am-12:27 am

2 stops22h 42m

$565

AustinBuenos Aires

AUS - AEP

AUSAEP

Austin Bergstrom

Fri 9/5

1:28 pm-2:00 pm

2 stops22h 32m

Buenos Aires Jorge Newbery

Tue 9/9

3:40 pm-9:43 am

2 stops20h 03m

$565

AustinBuenos Aires

AUS - EZE

AUSEZE

Austin Bergstrom

Mon 9/8

6:19 pm-8:00 am

2 stops35h 41m

Buenos Aires Ministro Pistarini

Tue 9/16

9:00 pm-10:58 am

1 stop15h 58m

$570

AustinBuenos Aires

AUS - EZE

AUSEZE

Austin Bergstrom

Thu 7/10

3:36 pm-7:54 am

1 stop14h 18m

Buenos Aires Ministro Pistarini

Tue 8/5

2:13 am-1:55 pm

1 stop13h 42m

$586

AustinBuenos Aires

AUS - EZE

AUSEZE

Austin Bergstrom

Thu 7/10

8:25 am-11:58 am

2 stops25h 33m

Buenos Aires Ministro Pistarini

Tue 8/5

2:13 am-1:55 pm

1 stop13h 42m

$662

AustinBuenos Aires

AUS - EZE

AUSEZE

Austin Bergstrom

Fri 8/29

7:35 am-10:15 am

1 stop24h 40m

Buenos Aires Ministro Pistarini

Mon 9/29

10:00 pm-10:16 am

1 stop14h 16m

$694

AustinBuenos Aires

AUS - AEP

AUSAEP

Austin Bergstrom

Sat 7/26

2:15 pm-4:05 pm

2 stops47h 50m

Buenos Aires Jorge Newbery

Sat 8/2

10:35 am-9:26 am

2 stops24h 51m

$789

AustinBuenos Aires

AUS - AEP

AUSAEP

Austin Bergstrom

Wed 9/3

11:01 am-1:00 pm

2 stops23h 59m

Buenos Aires Jorge Newbery

Sun 9/7

3:40 am-9:42 pm

2 stops20h 02m

$1,520

AustinBuenos Aires

AUS - AEP

AUSAEP

Austin Bergstrom

Sat 8/2

5:04 pm-2:00 pm

2 stops18h 56m

Buenos Aires Jorge Newbery

Mon 9/15

2:50 pm-11:13 am

2 stops22h 23m

$8,675

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 18 results
1
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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 June 9, 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 June 13, 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.

What is the cheapest day to fly from Austin to Buenos Aires?

Use this chart to determine the cheapest time to fly round-trip from Austin to Buenos Aires. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Austin to Buenos Aires flight should consider departing on Sunday evenings 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 13, 2025.
Read reviews from past customers who have flown Delta, LATAM Airlines and Copa Airlines from Austin to Buenos Aires. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

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!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

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!
LATAM Airlines
7.5
Good
1,785 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

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!
Copa Airlines
7.5
Good
1,451 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

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!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

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!
GOL
7.3
Good
1,073 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

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.

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

    Our cheapest airline available from Austin to Buenos Aires is LATAM Airlines. Our recent data shows that you can find tickets from as low as $560 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $565 and $570 round-trip. You may be able to fly from Austin to Buenos Aires for 30% 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 LATAM Airlines. Other airlines that offer cheap prices include United Airlines from $264 and Delta from $304 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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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 June 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$301Average$785FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$406Average$842FlexibilityNo cancel feeOn-time81%
Copa AirlinesCheapest$494Average$871FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$583Average$862FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$583Average$845FlexibilityNo cancel feeOn-time71%

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