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Cheap flights from Santiago to Buenos Aires from C$ 77

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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
SCL — BUE
4 May — 11 May1
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 Tuesday or Wednesday 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 4 April 2026.

Sat 2/56:12 p.m.
SCL
-
AEP
Nonstop2h 08m
JetSMART
Sat 9/510:10 p.m.
AEP
-
SCL
Nonstop2h 26m
JetSMART
Deal found 2/4C$ 199
Mon 25/58:12 a.m.
SCL
-
AEP
Nonstop2h 08m
JetSMART
Thu 28/55:45 a.m.
AEP
-
SCL
Nonstop2h 26m
JetSMART
Deal found 3/4C$ 205
Fri 8/512:22 p.m.
SCL
-
AEP
Nonstop2h 08m
JetSMART
Sun 10/55:45 a.m.
AEP
-
SCL
Nonstop2h 26m
JetSMART
Deal found 31/3C$ 224
Wed 22/43:12 p.m.
SCL
-
AEP
Nonstop2h 08m
JetSMART
Mon 27/45:45 a.m.
AEP
-
SCL
Nonstop2h 26m
JetSMART
Deal found 31/3C$ 226
Thu 23/42:09 p.m.
SCL
-
AEP
1 stop10h 02m
JetSMART
Thu 7/512:50 p.m.
AEP
-
SCL
Nonstop2h 26m
JetSMART
Deal found 31/3C$ 227
Sat 18/412:40 a.m.
SCL
-
AEP
Nonstop2h 00m
Sky Airline
Tue 28/49:35 a.m.
AEP
-
SCL
Nonstop2h 30m
Sky Airline
Deal found 2/4C$ 228
Fri 17/47:32 p.m.
SCL
-
AEP
Nonstop2h 08m
JetSMART
Tue 21/45:45 a.m.
AEP
-
SCL
Nonstop2h 26m
JetSMART
Deal found 30/3C$ 230
Mon 20/76:12 p.m.
SCL
-
AEP
Nonstop2h 08m
JetSMART
Mon 27/710:10 p.m.
AEP
-
SCL
Nonstop2h 26m
JetSMART
Deal found 30/3C$ 231
Sat 16/57:04 p.m.
SCL
-
AEP
1 stop4h 23m
JetSMART
Mon 18/512:50 p.m.
AEP
-
SCL
Nonstop2h 26m
JetSMART
Deal found 30/3C$ 233
Mon 27/43:12 p.m.
SCL
-
AEP
Nonstop2h 08m
JetSMART
Tue 12/510:10 p.m.
AEP
-
SCL
Nonstop2h 26m
JetSMART
Deal found 2/4C$ 234
Thu 28/52:09 p.m.
SCL
-
AEP
1 stop9h 39m
JetSMART
Sun 31/55:45 a.m.
AEP
-
SCL
Nonstop2h 26m
JetSMART
Deal found 31/3C$ 241

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 4 April 2026.

Round-trip from

C$ 199

One-way from

C$ 77

Popular in

January

Cheapest in

May

Average price

C$ 240

Good round-trip deal

C$ 300 or less

Good one-way deal

C$ 102 or less
JetSMART
  • JetSMART
  • 2/5-9/5
  • Nonstop
  • 4h 34m total
  • Santiago to Buenos Aires
Search Deals
Sky Airline
  • Sky Airline
  • 6/6
  • Nonstop
  • 2h 00m total
  • Santiago to Buenos Aires
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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

 
Customize 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 629,999 searches. Data last updated 4 April 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 round-trip

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Mon 8/6

8:12 a.m.-11:20 a.m.

Nonstop2h 08m

Buenos Aires Jorge Newbery

Thu 11/6

12:50 p.m.-2:16 p.m.

Nonstop2h 26m

C$ 224

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Fri 24/4

8:12 a.m.-11:20 a.m.

Nonstop2h 08m

Buenos Aires Jorge Newbery

Wed 29/4

12:15 p.m.-1:41 p.m.

Nonstop2h 26m

C$ 224

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sat 30/5

8:12 a.m.-11:20 a.m.

Nonstop2h 08m

Buenos Aires Jorge Newbery

Sun 14/6

4:30 p.m.-5:56 p.m.

Nonstop2h 26m

C$ 226

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Wed 13/5

3:12 p.m.-6:20 p.m.

Nonstop2h 08m

Buenos Aires Jorge Newbery

Sun 17/5

5:45 a.m.-7:11 a.m.

Nonstop2h 26m

C$ 226

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Fri 8/5

7:22 p.m.-10:30 p.m.

Nonstop2h 08m

Buenos Aires Jorge Newbery

Sun 10/5

5:45 a.m.-7:11 a.m.

Nonstop2h 26m

C$ 226

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Mon 6/7

8:09 a.m.-11:20 a.m.

Nonstop2h 11m

Buenos Aires Jorge Newbery

Sun 12/7

10:10 p.m.-11:36 p.m.

Nonstop2h 26m

C$ 226

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Fri 29/5

7:04 p.m.-12:23 a.m.

1 stop4h 19m

Buenos Aires Jorge Newbery

Mon 1/6

5:00 a.m.-5:09 p.m.

1 stop13h 09m

C$ 262

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Wed 17/6

3:12 p.m.-6:20 p.m.

Nonstop2h 08m

Buenos Aires Jorge Newbery

Sun 21/6

6:00 a.m.-10:04 p.m.

1 stop17h 04m

C$ 266

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sat 18/4

6:12 p.m.-9:20 p.m.

Nonstop2h 08m

Buenos Aires Jorge Newbery

Fri 24/4

5:45 a.m.-7:11 a.m.

Nonstop2h 26m

C$ 269
Quickest round-trip

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Thu 11/6

5:40 p.m.-8:40 p.m.

Nonstop2h 00m

Buenos Aires Jorge Newbery

Sun 14/6

9:35 a.m.-11:05 a.m.

Nonstop2h 30m

C$ 283

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/3

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 round-trip 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 round-trip flight from Santiago to Buenos Aires. Price data was last updated on 2 April 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 C$ 71). Flying from Santiago to Buenos Aires in January is currently the most expensive (average of C$ 157). 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 4 April 2026.

One of the essential ways to save on airfare from Santiago to Buenos Aires is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 27% on airfare.

How much does it cost to fly round-trip from Santiago to Buenos Aires?

How often are flights from Santiago to Buenos Aires delayed?

About 11% of weekly flights between Santiago and Buenos Aires have experienced delays in the past year, with the average delay time being 113 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 at night 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 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 has 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 4 April 2026.
Read reviews from past customers who have flown Aerolineas Argentinas from Santiago to Buenos Aires. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aerolineas Argentinas
8.1
Very good
1,030 reviews
Check prices

Comfort

7.6

Crew

8.4

Boarding

8.0

Overall

8.1

Food

6.5

Entertainment

5.8

Reviews

1 / 7
10.0
Excellent

Joseph,Mar 2026

MIA - EZE

First time flying with them to Buenos Aires. No issues at all. Boarded on time, departed on time, smooth flight and attendants were great.
Aerolineas Argentinas
8.1
Very good
1,030 reviews
Aerolineas Argentinas
8.1
Very good
1,030 reviews
Check prices

Comfort

7.6

Crew

8.4

Boarding

8.0

Overall

8.1

Food

6.5

Entertainment

5.8

Reviews

1 / 7
10.0
Excellent

Joseph,Mar 2026

MIA - EZE

First time flying with them to Buenos Aires. No issues at all. Boarded on time, departed on time, smooth flight and attendants were great.

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?

    For a flight from Santiago to Buenos Aires, you will be flying from Arturo Merino Benitez. Santiago Arturo Merino Benitez (SCL) is just 13.6 km from the centre of the city. Arturo Merino Benitez is the only Santiago airport and it handles 8 outbound flights to Buenos Aires per day. 0 airlines have flights to Buenos Aires from Santiago Arturo Merino Benitez on a regular basis.

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

    There are many flights that can get you from Santiago to Buenos Aires in 2h 08m. Fly via JetSMART to get the fastest option. Airlines will cover a distance of 1146 km. Most flights are nonstop.

  • What are the cheapest airlines to fly from Santiago to Buenos Aires one-way?

    C$ 75 is the cheapest one-way deal found within the past few days, from LATAM Airlines. You may also be able to find cheap deals on Sky Airline and Aerolineas Argentinas, with prices starting from C$ 76 and C$ 107, respectively.

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

    The top 3 most reliable airlines when flying from Santiago to Buenos Aires are Sky Airline (91%), Sky Airlines Peru (89%) and KLM (73%).

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

    The cheapest flight price from Santiago to Buenos Aires is C$ 121. On average you can expect to pay C$ 138. The most popular route, (Santiago Arturo Merino Benitez - Buenos Aires Jorge Newbery), can usually be booked for C$ 394.

  • 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 vacation 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 C$ 71). Flying from Santiago to Buenos Aires in January is currently the most expensive (average of C$ 157). 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
Santiago to El Calafate flights
Santiago to Mendoza flights

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

Need flexible booking options for your flight to Buenos Aires from Santiago? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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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