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Cheap flights from Santiago to Buenos Aires from C$ 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
SCL — BUE
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Santiago Arturo Merino Benitez to Buenos Aires are usually found in May or June, booked 63 days in advance, depart on a Wednesday or Saturday and return on a Sunday

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 16 September 2025.

Round-trip from

C$ 272

One-way from

C$ 90

Popular in

September

Cheapest in

May

Average price

C$ 290
JetSMART
  • JetSMART
  • 10/10-20/10
  • 1 total stop
  • 7h 27m total
  • Santiago to Buenos Aires
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JetSMART
  • JetSMART
  • 10/10
  • 1 total stop
  • 5h 02m total
  • Santiago to Buenos Aires
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 24 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 September 2025
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Find flight deals from Santiago to Buenos Aires

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 16 September 2025.

Fri 10/108:31 p.m.SCL - AEP
1 stop5h 02mJetSMART
Mon 20/109:30 a.m.AEP - SCL
Nonstop2h 25mJetSMART
Deal found 16/9C$ 272
Fri 24/108:31 p.m.SCL - AEP
1 stop25h 14mJetSMART
Mon 27/1010:10 p.m.AEP - SCL
Nonstop2h 25mJetSMART
Deal found 16/9C$ 282
Fri 24/108:31 p.m.SCL - AEP
1 stop25h 14mJetSMART
Sun 26/1010:10 p.m.AEP - SCL
Nonstop2h 25mJetSMART
Deal found 16/9C$ 283
Tue 14/107:24 a.m.SCL - AEP
Nonstop2h 06mMultiple Airlines
Tue 21/101:00 p.m.AEP - SCL
1 stop7h 39mMultiple Airlines
Deal found 16/9C$ 291
Fri 28/114:15 p.m.SCL - AEP
Nonstop2h 05mJetSMART
Mon 12/15:45 a.m.AEP - SCL
Nonstop2h 24mJetSMART
Deal found 16/9C$ 293
Mon 6/106:24 a.m.SCL - AEP
Nonstop2h 06mJetSMART
Mon 13/1010:10 p.m.AEP - SCL
Nonstop2h 25mJetSMART
Deal found 16/9C$ 294
Fri 17/106:56 a.m.SCL - AEP
1 stop18h 37mJetSMART
Sun 19/105:40 a.m.AEP - SCL
Nonstop2h 25mJetSMART
Deal found 16/9C$ 297
Wed 1/107:24 a.m.SCL - AEP
Nonstop2h 06mJetSMART
Fri 3/1010:10 p.m.AEP - SCL
Nonstop2h 25mJetSMART
Deal found 16/9C$ 298
Sat 27/92:14 p.m.SCL - AEP
Nonstop2h 06mJetSMART
Wed 1/105:15 a.m.AEP - SCL
Nonstop2h 25mJetSMART
Deal found 16/9C$ 300
Sun 30/1110:55 p.m.SCL - AEP
Nonstop2h 05mJetSMART
Sat 6/1210:10 p.m.AEP - SCL
Nonstop2h 25mJetSMART
Deal found 16/9C$ 301
Fri 7/1110:55 p.m.SCL - AEP
Nonstop2h 05mJetSMART
Sun 9/1112:50 p.m.AEP - SCL
Nonstop2h 24mJetSMART
Deal found 16/9C$ 303
Sat 29/118:20 a.m.SCL - AEP
1 stop7h 23mJetSMART
Sun 7/125:35 a.m.AEP - SCL
Nonstop2h 24mJetSMART
Deal found 16/9C$ 304

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 16 September 2025.
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 19/11

9:15 a.m.-11:20 a.m.

Nonstop2h 05m

Buenos Aires Jorge Newbery

Mon 24/11

5:45 a.m.-8:09 a.m.

Nonstop2h 24m

C$ 294

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Thu 23/10

7:14 p.m.-9:20 p.m.

Nonstop2h 06m

Buenos Aires Jorge Newbery

Sun 26/10

10:10 p.m.-12:35 a.m.

Nonstop2h 25m

C$ 294

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Mon 17/11

9:15 a.m.-11:20 a.m.

Nonstop2h 05m

Buenos Aires Jorge Newbery

Mon 24/11

5:45 a.m.-8:09 a.m.

Nonstop2h 24m

C$ 298

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Mon 12/1

9:15 a.m.-11:20 a.m.

Nonstop2h 05m

Buenos Aires Jorge Newbery

Mon 19/1

5:45 a.m.-8:09 a.m.

Nonstop2h 24m

C$ 300

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Thu 6/11

10:55 p.m.-1:00 a.m.

Nonstop2h 05m

Buenos Aires Jorge Newbery

Mon 10/11

5:45 a.m.-8:09 a.m.

Nonstop2h 24m

C$ 301

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Mon 8/12

9:15 a.m.-11:20 a.m.

Nonstop2h 05m

Buenos Aires Jorge Newbery

Sat 13/12

10:10 p.m.-12:35 a.m.

Nonstop2h 25m

C$ 301

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sun 1/3

6:34 a.m.-8:40 a.m.

Nonstop2h 06m

Buenos Aires Jorge Newbery

Sun 15/3

9:30 a.m.-11:55 a.m.

Nonstop2h 25m

C$ 308

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Thu 5/3

6:34 a.m.-8:40 a.m.

Nonstop2h 06m

Buenos Aires Jorge Newbery

Tue 10/3

11:10 p.m.-1:35 a.m.

Nonstop2h 25m

C$ 312

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Fri 31/10

7:15 p.m.-9:20 p.m.

Nonstop2h 05m

Buenos Aires Jorge Newbery

Mon 3/11

5:45 a.m.-8:09 a.m.

Nonstop2h 24m

C$ 327

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Fri 7/11

9:50 p.m.-11:55 p.m.

Nonstop2h 05m

Buenos Aires Jorge Newbery

Mon 10/11

3:00 p.m.-5:25 p.m.

Nonstop2h 25m

C$ 329

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/9

Showing 1-10 of 24 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 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 12 September 2025.

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, September is the cheapest month in which you can book a flight from Santiago to Buenos Aires (average of C$ 810). Flying from Santiago to Buenos Aires in December is currently the most expensive (average of C$ 1,063). 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 16 September 2025.

One of the essential ways to save on airfare from Santiago to Buenos Aires is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 32% on airfare.

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 16 September 2025.

The most flights from SCL to BUE are scheduled on a Monday (23 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (9 on average).

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

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 16 September 2025.
Read reviews from past customers who have flown JetSMART 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.
JetSMART
6.5
Okay
225 reviews
Check prices

Boarding

6.7

Overall

6.5

Crew

7.3

Entertainment

4.7

Food

4.9

Comfort

6.4

Reviews

1 / 1
8.0
Excellent

jose,Aug 2024

PEI - LIM

Low price flight with out food and entreitenement. The chairs are very rough
JetSMART
6.5
Okay
225 reviews
JetSMART
6.5
Okay
225 reviews
Check prices

Boarding

6.7

Overall

6.5

Crew

7.3

Entertainment

4.7

Food

4.9

Comfort

6.4

Reviews

1 / 1
8.0
Excellent

jose,Aug 2024

PEI - LIM

Low price flight with out food and entreitenement. The chairs are very rough

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 15 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 06m. Fly via JetSMART to get the fastest option. Airlines will cover a distance of 1146 km. Most flights are nonstop.

  • 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 JetSMART (86%), LATAM Airlines (82%) and Aerolineas Argentinas (79%).

  • 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, September is the cheapest month in which you can book a flight from Santiago to Buenos Aires (average of C$ 810). Flying from Santiago to Buenos Aires in December is currently the most expensive (average of C$ 1,063). 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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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?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Buenos Aires from Santiago.

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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