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Cheap flights from Santiago to Buenos Aires from $90

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 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
SCL — BUE
8 Feb — 15 Feb1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Santiago Arturo Merino Benitez to Buenos Aires are usually found in May or June, booked 65 days in advance, depart on a Saturday or Tuesday and return on a Wednesday

Cheap flight deals from Santiago to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Santiago (SCL) 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 9 January 2026.

Round-trip from

$237

One-way from

$90

Popular in

January

Cheapest in

May

Average price

$310

Good round-trip deal

$286 or less

Good one-way deal

$102 or less
JetSMART
  • JetSMART
  • 21/2-28/2
  • 1 total stop
  • 7h 25m total
  • Santiago to Buenos Aires
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JetSMART
  • JetSMART
  • 15/5
  • 1 total stop
  • 3h 48m total
  • Santiago to Buenos Aires
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($29 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average return price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Santiago Arturo Merino Benitez to Buenos Aires (BUE).
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Price to beat on a one-way flight from Santiago Arturo Merino Benitez to Buenos Aires (BUE).
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Find flight deals from Santiago to Buenos Aires

Enter your travel dates to find the best prices.

Cheapest flights from Santiago to Buenos Aires
Explore the most affordable flight options available from Santiago to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 January 2026.

Sat 21/219:05SCL - AEP
1 stop5h 00mMultiple Airlines
Sat 28/222:10AEP - SCL
Nonstop2h 25mMultiple Airlines
Deal found 7/1$237
Sun 22/210:55SCL - AEP
Nonstop2h 05mSky Airline
Sun 1/321:30AEP - SCL
Nonstop2h 25mSky Airline
Deal found 7/1$242
Sat 21/207:25SCL - AEP
Nonstop2h 05mJetSMART
Sat 28/222:10AEP - SCL
Nonstop2h 25mJetSMART
Deal found 7/1$243
Thu 26/201:35SCL - AEP
Nonstop2h 05mSky Airline
Fri 27/209:35AEP - SCL
Nonstop2h 25mSky Airline
Deal found 8/1$246
Sat 7/301:35SCL - AEP
Nonstop2h 05mSky Airline
Sun 8/313:50AEP - SCL
Nonstop2h 25mSky Airline
Deal found 7/1$249
Wed 20/514:09SCL - AEP
1 stop6h 52mJetSMART
Mon 25/510:30AEP - SCL
Nonstop2h 26mJetSMART
Deal found 8/1$261
Sun 18/101:35SCL - AEP
Nonstop2h 05mSky Airline
Wed 28/121:30AEP - SCL
Nonstop2h 25mSky Airline
Deal found 9/1$266
Tue 10/219:15SCL - AEP
Nonstop2h 05mJetSMART
Fri 20/205:45AEP - SCL
Nonstop2h 24mJetSMART
Deal found 7/1$267
Tue 12/514:09SCL - AEP
1 stop18h 17mJetSMART
Thu 28/505:45AEP - SCL
Nonstop2h 26mJetSMART
Deal found 8/1$269
Tue 10/219:15SCL - AEP
Nonstop2h 05mJetSMART
Thu 12/210:30AEP - SCL
Nonstop2h 25mJetSMART
Deal found 7/1$270
Thu 5/318:35SCL - AEP
Nonstop2h 05mSky Airline
Tue 10/321:30AEP - SCL
Nonstop2h 25mSky Airline
Deal found 7/1$272

Cheapflights Fare Finder

 
Customise your flight search to find flights from Santiago 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 647,157 searches. Data last updated 9 January 2026.
Use the filters below to find and compare flights from Santiago to Buenos Aires that are best for you.

Fly from

Santiago

Fly to

Buenos Aires

Route

Depart

Return

Price

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Wed 25/3

19:14-21:20

Nonstop2h 06m

Buenos Aires Jorge Newbery

Wed 1/4

12:50-15:16

Nonstop2h 26m

$266

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Thu 19/2

01:35-03:40

Nonstop2h 05m

Buenos Aires Jorge Newbery

Mon 23/2

21:30-23:55

Nonstop2h 25m

$266

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Mon 23/2

18:35-20:40

Nonstop2h 05m

Buenos Aires Jorge Newbery

Sun 1/3

21:30-23:55

Nonstop2h 25m

$266

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Tue 10/2

19:15-21:20

Nonstop2h 05m

Buenos Aires Jorge Newbery

Wed 18/2

22:10-00:35

Nonstop2h 25m

$267

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sat 30/5

08:12-11:20

Nonstop2h 08m

Buenos Aires Jorge Newbery

Sat 13/6

16:30-17:56

Nonstop2h 26m

$267

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Tue 26/5

18:12-21:20

Nonstop2h 08m

Buenos Aires Jorge Newbery

Tue 2/6

05:45-07:11

Nonstop2h 26m

$267

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Fri 20/2

19:15-21:20

Nonstop2h 05m

Buenos Aires Jorge Newbery

Tue 24/2

05:45-08:09

Nonstop2h 24m

$267

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Tue 10/3

19:14-21:20

Nonstop2h 06m

Buenos Aires Jorge Newbery

Fri 13/3

05:45-08:09

Nonstop2h 24m

$267

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Thu 12/3

16:35-18:40

Nonstop2h 05m

Buenos Aires Jorge Newbery

Mon 16/3

05:45-08:09

Nonstop2h 24m

$267

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sat 23/5

06:22-09:30

Nonstop2h 08m

Buenos Aires Jorge Newbery

Fri 29/5

10:30-11:56

Nonstop2h 26m

$267

Flights are sorted by cheapest return flights first.

Deals found on 8/1

Showing 1-10 of 21 results
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Best time to book a flight from Santiago to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Santiago 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 Santiago to Buenos Aires

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

Use this chart to determine the optimal time to book a return flight from Santiago to Buenos Aires. Price data was last updated on 2 January 2026.

The best time to book flights from Santiago to Buenos Aires is 64 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 Santiago to Buenos Aires?

Currently, May is the cheapest month in which you can book a flight from Santiago to Buenos Aires (average of $76). Flying from Santiago to Buenos Aires in December is currently the most expensive (average of $121). 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 SCL to BUE?

Find hourly flight availability from Santiago 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 9 January 2026.

It’s optimal to fly from Santiago to Buenos Aires at midday. By choosing this option you can save up to 30% on the cost of your flight, compared to a flight in the afternoon.

Weekly flight availability from Santiago to Buenos Aires

Explore weekly flight availability from Santiago to Buenos Aires. 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 9 January 2026.

The most flights from SCL to BUE are scheduled on a Thursday (20 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (6 on average).

How often are flights from Santiago to Buenos Aires delayed?

About 12% of weekly flights between Santiago and Buenos Aires have experienced delays in the past year, with the average delay time being 110 minutes.

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

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

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

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

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

Over the past year, Sky Airline have had the lowest number of delays on this route, with just 9% of flights being delayed.

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 9 January 2026.
Check out reviews from past customers who have flown with Aerolineas Argentinas and LATAM Airlines from Santiago to Buenos Aires to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aerolineas Argentinas
8.1
Very Good
991 reviews
Check prices

Entertainment

5.8

Boarding

8.0

Crew

8.4

Food

6.5

Overall

8.1

Comfort

7.6

Reviews

1 / 5
2.0
Mediocre

Paula,Aug 2025

EZE - MIA

I can not take the flight because Service dogs are not allowed. I m asking the refund of my flight. Please take care of my request # 00447290197500
Aerolineas Argentinas
8.1
Very Good
991 reviews
Aerolineas Argentinas
8.1
Very Good
991 reviews
Check prices

Entertainment

5.8

Boarding

8.0

Crew

8.4

Food

6.5

Overall

8.1

Comfort

7.6

Reviews

1 / 5
2.0
Mediocre

Paula,Aug 2025

EZE - MIA

I can not take the flight because Service dogs are not allowed. I m asking the refund of my flight. Please take care of my request # 00447290197500
LATAM Airlines
7.5
Good
1,901 reviews
Aerolineas Argentinas
8.1
Very Good
991 reviews
Check prices

Entertainment

5.8

Boarding

8.0

Crew

8.4

Food

6.5

Overall

8.1

Comfort

7.6

Reviews

1 / 5
2.0
Mediocre

Paula,Aug 2025

EZE - MIA

I can not take the flight because Service dogs are not allowed. I m asking the refund of my flight. Please take care of my request # 00447290197500

Related info for your journey

Find useful and relevant information for your journey from Santiago 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 Santiago to 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 Buenos Aires from Santiago. Booking flights from Arturo Merino Benitez (SCL) to Buenos Aires should be relatively easy as there are 11 daily outbound flights to Buenos Aires from 0 different airlines.

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

    A quick flight from Santiago to Buenos Aires can take about 2h 05m. JetSMART provides one of the quickest options available for as low as $266. Airlines will cover a distance of 1146 km. All flights are typically direct.

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

    No one likes to see their flight delayed. When booking a flight from Santiago to Buenos Aires consider choosing JetSMART(95%), LATAM Airlines(85%) or Sky Airlines Peru(85%), as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay $147 for a flight from Santiago to Buenos Aires. The cheapest flight overall is $64 while the most popular route, (Santiago Arturo Merino Benitez - Buenos Aires Jorge Newbery) is currently priced at $222.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Santiago to Buenos Aires (average of $76). Flying from Santiago to Buenos Aires in December is currently the most expensive (average of $121). 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 Santiago to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
Santiago to Jorge Newbery flights

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

Yes, Cheapflights offers price alerts on Santiago to Buenos Aires flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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