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Cheap flights from Santiago to Buenos Aires from $79

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 16/5. Fares are subject to change and may not be available on all flights or dates of travel.
SCL — BUE
10 Apr — 17 Apr1
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 56 days in advance, depart on a Saturday or Tuesday and return on a Sunday

Cheap 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 11 March 2026.

Sat 4/409:12
SCL
-
AEP
Nonstop2h 08m
JetSMART
Sat 11/416:30
AEP
-
SCL
Nonstop2h 26m
JetSMART
Deal found 6/3$184
Sat 4/409:12
SCL
-
AEP
Nonstop2h 08m
Multiple Airlines
Sat 11/417:40
AEP
-
SCL
1 stop5h 44m
Multiple Airlines
Deal found 6/3$191
Mon 25/508:12
SCL
-
AEP
Nonstop2h 08m
Multiple Airlines
Fri 29/513:55
AEP
-
SCL
1 stop9h 29m
Multiple Airlines
Deal found 9/3$197
Wed 13/514:09
SCL
-
AEP
1 stop9h 09m
JetSMART
Fri 22/505:45
AEP
-
SCL
Nonstop2h 26m
JetSMART
Deal found 8/3$211
Thu 23/414:09
SCL
-
AEP
1 stop7h 48m
JetSMART
Tue 28/422:10
AEP
-
SCL
Nonstop2h 26m
JetSMART
Deal found 7/3$212
Mon 8/614:09
SCL
-
AEP
1 stop7h 21m
JetSMART
Fri 12/623:09
AEP
-
SCL
Nonstop2h 26m
JetSMART
Deal found 8/3$214
Tue 21/408:12
SCL
-
AEP
Nonstop2h 08m
JetSMART
Tue 28/422:10
AEP
-
SCL
Nonstop2h 26m
JetSMART
Deal found 7/3$221
Mon 25/518:12
SCL
-
AEP
Nonstop2h 08m
JetSMART
Fri 29/523:20
AEP
-
SCL
Nonstop2h 26m
JetSMART
Deal found 9/3$224
Mon 13/408:12
SCL
-
AEP
Nonstop2h 08m
JetSMART
Wed 15/405:15
AEP
-
SCL
Nonstop2h 26m
JetSMART
Deal found 9/3$225
Mon 4/508:12
SCL
-
AEP
Nonstop2h 08m
JetSMART
Thu 14/505:45
AEP
-
SCL
Nonstop2h 26m
JetSMART
Deal found 7/3$227
Sun 19/408:12
SCL
-
AEP
Nonstop2h 08m
JetSMART
Tue 21/405:45
AEP
-
SCL
Nonstop2h 26m
JetSMART
Deal found 9/3$228
Fri 1/519:24
SCL
-
AEP
1 stop3h 59m
JetSMART
Sun 3/505:45
AEP
-
SCL
Nonstop2h 26m
JetSMART
Deal found 9/3$229

Find 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 11 March 2026.

Round-trip from

$173

One-way from

$79

Popular in

January

Cheapest in

May

Average price

$241

Good round-trip deal

$59 or less

Good one-way deal

$84 or less
Sky Airline
  • Sky Airline
  • 23/4-26/4
  • Nonstop
  • 4h 30m total
  • Santiago to Buenos Aires
Search Deals
JetSMART
  • JetSMART
  • 22/6
  • Nonstop
  • 2h 08m total
  • Santiago to Buenos Aires
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($29 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Santiago Arturo Merino Benitez to Buenos Aires (BUE).
Search Deals
Price to beat on a one-way flight from Santiago Arturo Merino Benitez to Buenos Aires (BUE).
Search Deals

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 11 March 2026.
Use the filters below to find and compare flights from Santiago to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Fri 22/5

12:22-15:30

Nonstop2h 08m

Buenos Aires Jorge Newbery

Tue 26/5

22:10-23:36

Nonstop2h 26m

$225

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Thu 26/3

19:14-21:20

Nonstop2h 06m

Buenos Aires Jorge Newbery

Mon 30/3

05:45-08:11

Nonstop2h 26m

$225

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Mon 29/6

08:12-11:20

Nonstop2h 08m

Buenos Aires Jorge Newbery

Sat 4/7

05:45-07:11

Nonstop2h 26m

$225
Fastest return journey

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Fri 27/3

13:25-15:30

Nonstop2h 05m

Buenos Aires Jorge Newbery

Sat 28/3

05:45-08:09

Nonstop2h 24m

$225

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Tue 16/6

14:09-16:51

1 stop25h 42m

Buenos Aires Jorge Newbery

Tue 23/6

12:50-14:16

Nonstop2h 26m

$235

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Thu 28/5

08:12-11:20

Nonstop2h 08m

Buenos Aires Jorge Newbery

Tue 2/6

05:45-07:11

Nonstop2h 26m

$246

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Mon 15/6

14:09-14:39

1 stop23h 30m

Buenos Aires Jorge Newbery

Fri 19/6

23:09-00:35

Nonstop2h 26m

$250

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Fri 4/9

06:24-09:30

Nonstop2h 06m

Buenos Aires Jorge Newbery

Mon 7/9

12:50-15:14

Nonstop2h 24m

$253

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Wed 5/8

08:15-11:20

Nonstop2h 05m

Buenos Aires Jorge Newbery

Wed 12/8

05:45-07:09

Nonstop2h 24m

$253

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Fri 3/7

18:12-21:20

Nonstop2h 08m

Buenos Aires Jorge Newbery

Sat 18/7

05:45-07:11

Nonstop2h 26m

$256

Flights are sorted by cheapest return flights first.

Deals found on 6/3

Showing 1-10 of 22 resultsSorted by cheapest first
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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 6 March 2026.

The best time to book flights from Santiago to Buenos Aires is 56 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, March is the cheapest month in which you can book a flight from Santiago to Buenos Aires (average of $70). Flying from Santiago to Buenos Aires in January is currently the most expensive (average of $159). 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 11 March 2026.

It’s optimal to fly from Santiago to Buenos Aires at midday. By choosing this option you can save up to 34% 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 11 March 2026.

The most flights from SCL to BUE are scheduled on a Monday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

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

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 112 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 8% 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 11 March 2026.
Check out reviews from past customers who have flown with Aerolineas Argentinas,LATAM Airlines, andJetSMART 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
1,018 reviews
Check prices

Boarding

8.0

Entertainment

5.8

Overall

8.1

Crew

8.4

Comfort

7.6

Food

6.5

Reviews

1 / 6
8.0
Excellent

adam,Jan 2026

USH - EZE

Gate change was not announced. Groupings for boarding a little disorganized. Otherwise all good.
Aerolineas Argentinas
8.1
Very Good
1,018 reviews
Aerolineas Argentinas
8.1
Very Good
1,018 reviews
Check prices

Boarding

8.0

Entertainment

5.8

Overall

8.1

Crew

8.4

Comfort

7.6

Food

6.5

Reviews

1 / 6
8.0
Excellent

adam,Jan 2026

USH - EZE

Gate change was not announced. Groupings for boarding a little disorganized. Otherwise all good.
LATAM Airlines
7.4
Good
1,918 reviews
Aerolineas Argentinas
8.1
Very Good
1,018 reviews
Check prices

Boarding

8.0

Entertainment

5.8

Overall

8.1

Crew

8.4

Comfort

7.6

Food

6.5

Reviews

1 / 6
8.0
Excellent

adam,Jan 2026

USH - EZE

Gate change was not announced. Groupings for boarding a little disorganized. Otherwise all good.
JetSMART
6.7
Okay
277 reviews
Aerolineas Argentinas
8.1
Very Good
1,018 reviews
Check prices

Boarding

8.0

Entertainment

5.8

Overall

8.1

Crew

8.4

Comfort

7.6

Food

6.5

Reviews

1 / 6
8.0
Excellent

adam,Jan 2026

USH - EZE

Gate change was not announced. Groupings for boarding a little disorganized. Otherwise all good.

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 14 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 08m. JetSMART provides one of the quickest options available for as low as $225. 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(97%), Sky Airlines Peru(92%) or Sky Airline(92%), 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 $205 for a flight from Santiago to Buenos Aires. The cheapest flight overall is $83 while the most popular route, (Santiago Arturo Merino Benitez - Buenos Aires Jorge Newbery) is currently priced at $487.

  • 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, March is the cheapest month in which you can book a flight from Santiago to Buenos Aires (average of $70). Flying from Santiago to Buenos Aires in January is currently the most expensive (average of $159). 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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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

Fly with Cheapflights

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

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

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

Yes, we can. To see specific flights from Santiago to Buenos Aires with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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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