A desert landscape with cacti, a winding road, and distant mountains.

Cheap Flights to Avellaneda Department from $123

View $123 flight on Wed, Jul 15, 2026Opens in a new window

Popular airlines to Avellaneda Department

  • Aerolineas Argentinas

  • B & H Airlines

  • Copa

  • Avianca

  • LATAM Airlines Group

  • Aeromexico

  • GOL Linhas Aereas S.A.

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

How much is the cheapest flight to Avellaneda Department?

Prices were available within the past 7 days and start at $123 for one-way flights and $248 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aerolineas Argentinas
Fri, Nov 6 - Thu, Nov 12
AEP
Buenos Aires
SDE
Santiago del Estero
$248 Roundtrip, found 15 hours ago
$248
Roundtrip
found 15 hours ago
Select Aerolineas Argentinas flight, departing Fri, Nov 6 from Buenos Aires to Santiago del Estero, returning Thu, Nov 12, priced at $248 found 15 hours ago
Aerolineas Argentinas
Fri, Jul 3 - Fri, Jul 10
AEP
Buenos Aires
SDE
Santiago del Estero
$259 Roundtrip, found 6 days ago
$259
Roundtrip
found 6 days ago
Select Aerolineas Argentinas flight, departing Fri, Jul 3 from Buenos Aires to Santiago del Estero, returning Fri, Jul 10, priced at $259 found 6 days ago
Aerolineas Argentinas
Sat, Jul 4 - Thu, Jul 16
AEP
Buenos Aires
SDE
Santiago del Estero
$260 Roundtrip, found 9 hours ago
$260
Roundtrip
found 9 hours ago
Select Aerolineas Argentinas flight, departing Sat, Jul 4 from Buenos Aires to Santiago del Estero, returning Thu, Jul 16, priced at $260 found 9 hours ago
Aerolineas Argentinas
Sat, Jul 4 - Thu, Jul 16
AEP
Buenos Aires
SDE
Santiago del Estero
$272 Roundtrip, found 9 hours ago
$272
Roundtrip
found 9 hours ago
Select Aerolineas Argentinas flight, departing Sat, Jul 4 from Buenos Aires to Santiago del Estero, returning Thu, Jul 16, priced at $272 found 9 hours ago
Aerolineas Argentinas
Thu, Jul 2 - Mon, Jul 6
EZE
Buenos Aires
SDE
Santiago del Estero
$274 Roundtrip, found 6 days ago
$274
Roundtrip
found 6 days ago
Select Aerolineas Argentinas flight, departing Thu, Jul 2 from Buenos Aires to Santiago del Estero, returning Mon, Jul 6, priced at $274 found 6 days ago
Aerolineas Argentinas
Sun, Aug 2 - Sat, Aug 15
AEP
Buenos Aires
SDE
Santiago del Estero
$274 Roundtrip, found 6 days ago
$274
Roundtrip
found 6 days ago
Select Aerolineas Argentinas flight, departing Sun, Aug 2 from Buenos Aires to Santiago del Estero, returning Sat, Aug 15, priced at $274 found 6 days ago
Aerolineas Argentinas
Sat, Jul 4 - Thu, Jul 16
AEP
Buenos Aires
SDE
Santiago del Estero
$276 Roundtrip, found 1 day ago
$276
Roundtrip
found 1 day ago
Select Aerolineas Argentinas flight, departing Sat, Jul 4 from Buenos Aires to Santiago del Estero, returning Thu, Jul 16, priced at $276 found 1 day ago
Aerolineas Argentinas
Wed, Dec 9 - Sun, Dec 13
AEP
Buenos Aires
SDE
Santiago del Estero
$278 Roundtrip, found 1 day ago
$278
Roundtrip
found 1 day ago
Select Aerolineas Argentinas flight, departing Wed, Dec 9 from Buenos Aires to Santiago del Estero, returning Sun, Dec 13, priced at $278 found 1 day ago
Aerolineas Argentinas
Fri, Jul 3 - Fri, Jul 10
AEP
Buenos Aires
SDE
Santiago del Estero
$288 Roundtrip, found 1 day ago
$288
Roundtrip
found 1 day ago
Select Aerolineas Argentinas flight, departing Fri, Jul 3 from Buenos Aires to Santiago del Estero, returning Fri, Jul 10, priced at $288 found 1 day ago
avianca
Mon, Aug 10 - Mon, Aug 17
MDE
Medellín
SDE
Santiago del Estero
$1,173 Roundtrip, found 3 days ago
$1,173
Roundtrip
found 3 days ago
Select avianca flight, departing Mon, Aug 10 from Medellín to Santiago del Estero, returning Mon, Aug 17, priced at $1,173 found 3 days ago

Frequently asked questions

How do I find cheap flights to Avellaneda Department that have flexible change policies?
We get that things can change very quickly, so reserving a flexible ticket with Expedia is a sensible idea. Simply check the "No change fee" box directly below the "Flexible change policies" filter. Your low-cost, flexible flight to Avellaneda Department is only a few clicks away.
How can I find cheap tickets to Avellaneda Department?
In the last seven days, $248 was the lowest price for a flight to Avellaneda Department. If you're eager to save even more, book well ahead of time and be flexible with your dates. Search for your journey to Avellaneda Department, then check out prices for similar time frames by clicking on our "flexible dates" link.
How much is a flight to Avellaneda Department?
There were loads of cheap fares up for grabs in the last seven days, with the price of a return ticket to Avellaneda Department ranging between $248 and $1,173. Many lucky travelers purchased one-way tickets from Buenos Aires (AEP) for just $123.
When is the cheapest time to fly to Avellaneda Department?
Take off for Avellaneda Department early on in the week and you'll usually be rewarded with lower fares. Tuesday is known for being the cheapest day to jump on a plane, followed closely by Monday. If you're eager to avoid the most expensive flights, give Saturdays a wide berth.
How much is a plane ticket to Avellaneda Department?
In the last seven days, plane fares cost between $248 and $1,173. Have a look at our great deals to Avellaneda Department, make a booking and then start packing your bags.
What months are the cheapest to book a flight to Avellaneda Department?
To bag a fabulous deal to Avellaneda Department, try to book sometime in February when airfares are at their cheapest. What time of year is expensive? In the U.S, it's the month of December.

Book with confidence

Enjoy extra legroom, flight flexibility, and a seamless travel experience.

Travel information

*Flight schedules are subject to change.

*Available to One Key members.

 

*Flight schedules are subject to change.

*Available to One Key members.