Published August 7, 2026 by

Cheap Flights: Austin to Buenos Aires $648 round-trip [August] – United

[08/07/2026 @ 09:22 AM CT] Deal time-stamp.
[2026-08-11 15:13:00] This deal is still available, but the original date ranges may have shifted. We have updated the example date links in this post to reflect those changes. Expect prices to fluctuate by about +/- 10%.

To book: Use our updated link list.

Or book with these sites: Expedia, Skyscanner, Priceline, Travelocity, Orbitz, CheapTickets, Kayak.

United has round-trip flights from Austin (AUS) to Buenos Aires (EZE) for $648 with a connection. Flights in August. Departures on Monday, Wednesday, Thursday, Saturday, and Sunday.

If you use the United℠ Explorer Card, your first standard checked-bag for you and your companion is free, you get priority boarding, two United Club passes per year, and you get a 25% discount on inflight purchases on United-operated flights as a statement credit.

You can usually save more money by booking your flight+hotel together as a package instead of separately.

We post new flight deals often! You can check out our other deals by returning to the Front Page of our website: escapeatx.com (linked).

Here are some other offers that we think are worth mentioning. List updated 04/21/2026.

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Use the example date links on our website to pull up the fare.

Buenos Aires fares: [2026-08-11 15:13:00] This deal is still available, but the original date ranges may have shifted. We have updated the example date links in this post to reflect those changes. Expect prices to fluctuate by about +/- 10%.

  • Austin to Buenos Aires - Extended Weekend Dates: (Expedia) Aug 20 - Aug 25 / Other dates: There may be more dates available than the ones we list here, use the "flexible date" button on Expedia to find similar fares.

 

When you are ready to book your flight or hotel, please use the links on our site to begin your booking process so we receive credit for the referral.

  • Tips: Different booking websites will often have differing routes, prices, and availability. Before you finalize your purchase, do a quick check on BookingBuddy, Skyscanner, and Kayak to see if any other site or airline is offering a better deal.

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Ren P. Artemio

Ren P. Artemio

Ren is the Chief Director of Nap Times at Escape Houston, Escape ATX, Cheap DFW, and Escape Flights. He really likes researching airfare and the travel industry, especially when it means getting a cheap flight to anywhere (he's not picky).

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