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Cheap flights from Buenos Aires to Santiago from $129

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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — SCL
5 Sep — 12 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Buenos Aires to Santiago Arturo Merino Benitez are usually found in March or June, booked 90 days in advance, depart on a Monday or Tuesday and return on a Saturday

Cheap flight deals from Buenos Aires to Santiago

Enter your travel dates to find the best prices.

Cheapest flights from Buenos Aires to Santiago
Explore the most affordable flight options available from Buenos Aires to Santiago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 August 2026.

Sun 13/905:45 -
Nonstop2h 28m
Mon 21/919:12 -
Nonstop2h 08m
Deal found 3/8$218
Wed 9/912:15 -
Nonstop2h 10m
Wed 16/905:00 -
Nonstop2h 05m
Deal found 4/8$220
Fri 11/905:45 -
Nonstop2h 28m
Fri 18/919:12 -
Nonstop2h 08m
Deal found 5/8$221
Sun 1/1105:45 -
Nonstop2h 22m
Sat 7/1119:13 -
Nonstop2h 07m
Deal found 3/8$223
Sun 29/1105:45 -
Nonstop2h 22m
Wed 2/1209:15 -
Nonstop2h 05m
Deal found 4/8$224
Sun 30/805:45 -
Nonstop2h 28m
Tue 8/909:12 -
Nonstop2h 08m
Deal found 3/8$228
Sat 5/1221:30 -
Nonstop2h 25m
Sun 13/1208:55 -
Nonstop2h 05m
Deal found 4/8$237
Sun 13/912:15 -
Nonstop2h 10m
Mon 21/920:04 -
1 stop17h 27m
Deal found 3/8$238
Fri 2/1005:45 -
Nonstop2h 28m
Wed 7/1009:09 -
Nonstop2h 11m
Deal found 2/8$238
Thu 12/1105:50 -
Nonstop2h 22m
Sun 22/1109:13 -
Nonstop2h 07m
Deal found 2/8$244
Thu 27/822:10 -
Nonstop2h 28m
Mon 31/819:22 -
1 stop14h 59m
Deal found 6/8$248
Sun 30/805:45 -
Nonstop2h 28m
Sun 6/906:49 -
1 stop26h 22m
Deal found 3/8$248

Find flight deals from Buenos Aires to Santiago

Discover tips and strategies to find the most affordable flight options for your journey from Buenos Aires (BUE) to Santiago (SCL). 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 6 August 2026.

Round-trip from

$218

One-way from

$129

Popular in

September

Cheapest in

March

Average price

$302

Good round-trip deal

$2,079 or less

Good one-way deal

$197 or less
JetSMART
  • JetSMART
  • 13/9-21/9
  • Nonstop
  • 4h 36m total
  • Buenos Aires to Santiago
Search Deals
JetSMART
  • JetSMART
  • 9/11
  • Nonstop
  • 2h 22m total
  • Buenos Aires to Santiago
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($17 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Buenos Aires (BUE) to Santiago Arturo Merino Benitez.
Search Deals
Price to beat on a one-way flight from Buenos Aires (BUE) to Santiago Arturo Merino Benitez.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Buenos Aires to Santiago 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 647,157 searches. Data last updated 6 August 2026.
Use the filters below to find and compare flights from Buenos Aires to Santiago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Buenos AiresSantiago

AEP Buenos Aires Jorge Newbery - SCL Santiago Arturo Merino Benitez

AEPSCL

Buenos Aires Jorge Newbery

Sat 5/12

21:30-23:55

Nonstop2h 25m

Santiago Arturo Merino Benitez

Sun 13/12

08:55-11:00

Nonstop2h 05m

$237

Buenos AiresSantiago

AEP Buenos Aires Jorge Newbery - SCL Santiago Arturo Merino Benitez

AEPSCL

Buenos Aires Jorge Newbery

Fri 11/9

05:45-08:13

Nonstop2h 28m

Santiago Arturo Merino Benitez

Fri 18/9

19:12-21:20

Nonstop2h 08m

$252

Buenos AiresSantiago

AEP Buenos Aires Jorge Newbery - SCL Santiago Arturo Merino Benitez

AEPSCL

Buenos Aires Jorge Newbery

Thu 26/11

05:50-08:12

Nonstop2h 22m

Santiago Arturo Merino Benitez

Sat 28/11

19:13-21:20

Nonstop2h 07m

$255

Buenos AiresSantiago

AEP Buenos Aires Jorge Newbery - SCL Santiago Arturo Merino Benitez

AEPSCL

Buenos Aires Jorge Newbery

Fri 18/12

21:30-23:55

Nonstop2h 25m

Santiago Arturo Merino Benitez

Fri 25/12

08:55-11:00

Nonstop2h 05m

$274

Buenos AiresSantiago

AEP Buenos Aires Jorge Newbery - SCL Santiago Arturo Merino Benitez

AEPSCL

Buenos Aires Jorge Newbery

Wed 11/11

22:10-00:32

Nonstop2h 22m

Santiago Arturo Merino Benitez

Mon 23/11

09:13-11:20

Nonstop2h 07m

$289

Buenos AiresSantiago

AEP Buenos Aires Jorge Newbery - SCL Santiago Arturo Merino Benitez

AEPSCL

Buenos Aires Jorge Newbery

Tue 10/11

05:45-08:07

Nonstop2h 22m

Santiago Arturo Merino Benitez

Sun 22/11

09:13-11:20

Nonstop2h 07m

$289

Buenos AiresSantiago

AEP Buenos Aires Jorge Newbery - SCL Santiago Arturo Merino Benitez

AEPSCL

Buenos Aires Jorge Newbery

Tue 15/12

19:06-21:30

Nonstop2h 24m

Santiago Arturo Merino Benitez

Fri 18/12

09:15-11:20

Nonstop2h 05m

$325

Buenos AiresSantiago

AEP Buenos Aires Jorge Newbery - SCL Santiago Arturo Merino Benitez

AEPSCL

Buenos Aires Jorge Newbery

Tue 1/12

19:06-21:30

Nonstop2h 24m

Santiago Arturo Merino Benitez

Fri 4/12

09:15-11:20

Nonstop2h 05m

$338

Buenos AiresSantiago

AEP Buenos Aires Jorge Newbery - SCL Santiago Arturo Merino Benitez

AEPSCL

Buenos Aires Jorge Newbery

Sat 26/9

22:10-00:36

Nonstop2h 26m

Santiago Arturo Merino Benitez

Wed 30/9

20:04-20:06

1 stop24h 02m

$349

Buenos AiresSantiago

EZE Buenos Aires Ministro Pistarini - SCL Santiago Arturo Merino Benitez

EZESCL

Buenos Aires Ministro Pistarini

Thu 24/9

07:25-18:09

1 stop10h 44m

Santiago Arturo Merino Benitez

Tue 29/9

20:04-12:38

1 stop16h 34m

$356

Flights are sorted by cheapest return flights first.

Deals found on 5/8

Showing 1-10 of 39 resultsSorted by cheapest first
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Best time to book a flight from Buenos Aires to Santiago

Have a flexible travel schedule? Discover the best time to fly to Santiago from Buenos Aires with our price prediction graph.
Estimated return 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 Buenos Aires to Santiago

What is the cheapest month to book a flight from Buenos Aires to Santiago?

Currently, March is the cheapest month in which you can book a flight from Buenos Aires to Santiago (average of $262). Flying from Buenos Aires to Santiago in January is currently the most expensive (average of $352). 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 BUE to SCL?

Find hourly flight availability from Buenos Aires to Santiago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 6 August 2026.

It’s typically best to fly out from Buenos Aires to Santiago at midday. Doing so could potentially save you 4% on the flight price compared to flying in the afternoon, which is usually more expensive.

Weekly flight availability from Buenos Aires to Santiago

Explore weekly flight availability from Buenos Aires to Santiago. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 6 August 2026.

The most flights from BUE to SCL are scheduled on a Wednesday (20 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

How much does it cost for a return flight from Buenos Aires to Santiago?

Airfare is below average for this route at the moment.
Buenos Aires to Santiago flights typically cost between $235 and $390 in September.
The cheapest return price found within the last 5 days was $218 on JetSMART (13 Sept–21 Sept).

How often are flights from Buenos Aires to Santiago delayed?

About 13% of weekly flights between Buenos Aires and Santiago have experienced delays in the past year, with the average delay time being 128 minutes.

What is the most punctual flight time for Buenos Aires to Santiago flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Buenos Aires to Santiago flights?

Over the past year, Sky Airline have had the lowest number of delays on this route, with just 7% of flights being delayed.

How far ahead should I book a flight from Buenos Aires to Santiago?

To ensure you get the cheapest price possible for a flight from Buenos Aires to Santiago, you should look to book at least 89 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Related info for your journey

Find useful and relevant information for your journey from Buenos Aires to Santiago. 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 into for flights to Santiago from Buenos Aires?

    Located just 13.6 km from the city centre, Santiago Arturo Merino Benitez is the airport most travellers will use when flying to Santiago from Buenos Aires. Booking flights from Buenos Aires to Arturo Merino Benitez (SCL) should be relatively easy as there are 10 daily inbound flights from Buenos Aires from 0 different airlines.

  • How long is the flight from Buenos Aires to Santiago?

    Departing from Buenos Aires to Santiago will take you 2h 28m. The distance between Buenos Aires and Santiago is about 1146 km. Most flights are nonstop.

  • What are the most reliable airlines from Buenos Aires to Santiago?

    Before booking your flight to Santiago from Buenos Aires, have a look at the most reliable airlines to get you to your destination on time: JetSMART (100%), Sky Airline (94%), JetSMART( 80%).

  • What are the cheapest flights from Buenos Aires to Santiago?

    On average you can expect to pay $458 for a flight from Buenos Aires to Santiago. The cheapest flight overall is $368 while the most popular route, (Buenos Aires Ministro Pistarini - Santiago Arturo Merino Benitez) is currently priced at $240.

  • Can I find deals for flights from Buenos Aires to Santiago that include hotel bookings?

    Yes. In addition to deals on Buenos Aires to Santiago flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Buenos Aires to Santiago?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buenos Aires to Santiago.

  • Can I find deals for business class flights from Buenos Aires to Santiago?

    Yes. Cheapflights offers flight deals from Buenos Aires to Santiago 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 Buenos Aires to Santiago?

    Currently, March is the cheapest month in which you can book a flight from Buenos Aires to Santiago (average of $262). Flying from Buenos Aires to Santiago in January is currently the most expensive (average of $352). 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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Complete your trip

Complete your trip to Santiago by adding a car hire and/or hotel booking to your travel itinerary.
Santiago car hire
Santiago Arturo Merino Benitez Airport car hire
Puerto Montt car hire
Lastarria car hire

Fly with Cheapflights

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How does Cheapflights help users find flights from Buenos Aires to Santiago?

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Why should you use Cheapflights to find cheap flight tickets from Buenos Aires to Santiago?

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Can Cheapflights find flights from Buenos Aires to Santiago with no change fees?

Yes! Cheapflights helps users easily find flights from Buenos Aires to Santiago with no change fees.

Can Cheapflights notify me if prices for flights from Buenos Aires to Santiago become cheaper?

Yes! Start tracking prices for Buenos Aires to Santiago flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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