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Cheap flights from Santiago to Buenos Aires from C$ 81

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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
SCL — BUE
11 Sep — 18 Sep1
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 March, booked 59 days in advance, depart on a Tuesday or Saturday and return on a Monday

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 12 August 2026.

Wed 9/129:15 a.m. -
Nonstop2h 05m
Sat 12/125:45 a.m. -
Nonstop2h 24m
Deal found 9/8C$ 191
Thu 10/129:15 a.m. -
Nonstop2h 05m
Sat 12/125:45 a.m. -
Nonstop2h 24m
Deal found 9/8C$ 194
Sun 6/99:09 a.m. -
Nonstop2h 11m
Sun 13/95:45 a.m. -
Nonstop2h 28m
Deal found 9/8C$ 212
Tue 29/97:12 p.m. -
Nonstop2h 08m
Mon 5/105:40 a.m. -
Nonstop2h 28m
Deal found 7/8C$ 213
Wed 2/93:09 p.m. -
Nonstop2h 11m
Fri 2/105:45 a.m. -
Nonstop2h 28m
Deal found 9/8C$ 215
Sun 18/101:22 p.m. -
Nonstop2h 08m
Thu 22/1010:10 p.m. -
Nonstop2h 26m
Deal found 7/8C$ 216
Fri 23/109:09 a.m. -
Nonstop2h 11m
Fri 30/1010:10 p.m. -
Nonstop2h 26m
Deal found 8/8C$ 219
Wed 9/129:15 a.m. -
Nonstop2h 05m
Fri 11/125:45 a.m. -
Nonstop2h 24m
Deal found 9/8C$ 220
Thu 3/92:09 p.m. -
1 stop9h 58m
Tue 8/95:45 a.m. -
Nonstop2h 26m
Deal found 7/8C$ 223
Thu 10/129:15 a.m. -
Nonstop2h 05m
Fri 11/125:45 a.m. -
Nonstop2h 24m
Deal found 9/8C$ 224
Tue 24/118:55 a.m. -
Nonstop2h 05m
Tue 1/129:30 p.m. -
Nonstop2h 25m
Deal found 7/8C$ 227
Sun 1/119:13 a.m. -
Nonstop2h 07m
Sun 8/115:45 a.m. -
Nonstop2h 22m
Deal found 7/8C$ 228

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 12 August 2026.

Round-trip from

C$ 191

One-way from

C$ 81

Popular in

January

Cheapest in

May

Average price

C$ 274

Good round-trip deal

C$ 233 or less

Good one-way deal

C$ 188 or less
JetSMART
  • JetSMART
  • 9/12-12/12
  • Nonstop
  • 4h 29m total
  • Santiago to Buenos Aires
Search Deals
JetSMART
  • JetSMART
  • 21/9
  • 1 total stop
  • 3h 50m total
  • Santiago to Buenos Aires
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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).
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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 12 August 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 Santiago Arturo Merino Benitez - AEP Buenos Aires Jorge Newbery

SCLAEP

Santiago Arturo Merino Benitez

Thu 1/10

7:12 p.m.-9:20 p.m.

Nonstop2h 08m

Buenos Aires Jorge Newbery

Sun 4/10

5:45 a.m.-8:13 a.m.

Nonstop2h 28m

C$ 213

SantiagoBuenos Aires

SCL Santiago Arturo Merino Benitez - AEP Buenos Aires Jorge Newbery

SCLAEP

Santiago Arturo Merino Benitez

Sat 29/8

6:09 p.m.-9:20 p.m.

Nonstop2h 11m

Buenos Aires Jorge Newbery

Wed 2/9

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

Nonstop2h 26m

C$ 213

SantiagoBuenos Aires

SCL Santiago Arturo Merino Benitez - AEP Buenos Aires Jorge Newbery

SCLAEP

Santiago Arturo Merino Benitez

Wed 28/10

9:09 a.m.-11:20 a.m.

Nonstop2h 11m

Buenos Aires Jorge Newbery

Sun 1/11

5:45 a.m.-8:07 a.m.

Nonstop2h 22m

C$ 213

SantiagoBuenos Aires

SCL Santiago Arturo Merino Benitez - AEP Buenos Aires Jorge Newbery

SCLAEP

Santiago Arturo Merino Benitez

Wed 9/9

7:12 p.m.-9:20 p.m.

Nonstop2h 08m

Buenos Aires Jorge Newbery

Wed 23/9

10:10 p.m.-12:36 a.m.

Nonstop2h 26m

C$ 219

SantiagoBuenos Aires

SCL Santiago Arturo Merino Benitez - AEP Buenos Aires Jorge Newbery

SCLAEP

Santiago Arturo Merino Benitez

Mon 14/9

8:04 p.m.-1:26 p.m.

1 stop17h 22m

Buenos Aires Jorge Newbery

Thu 17/9

5:45 a.m.-8:11 a.m.

Nonstop2h 26m

C$ 254

SantiagoBuenos Aires

SCL Santiago Arturo Merino Benitez - AEP Buenos Aires Jorge Newbery

SCLAEP

Santiago Arturo Merino Benitez

Sat 29/8

12:19 p.m.-3:30 p.m.

Nonstop2h 11m

Buenos Aires Jorge Newbery

Tue 1/9

9:00 p.m.-10:44 p.m.

1 stop26h 44m

C$ 262
Quickest round-trip

SantiagoBuenos Aires

SCL Santiago Arturo Merino Benitez - AEP Buenos Aires Jorge Newbery

SCLAEP

Santiago Arturo Merino Benitez

Wed 9/12

9:13 a.m.-11:20 a.m.

Nonstop2h 07m

Buenos Aires Jorge Newbery

Tue 15/12

7:06 p.m.-9:30 p.m.

Nonstop2h 24m

C$ 267

SantiagoBuenos Aires

SCL Santiago Arturo Merino Benitez - AEP Buenos Aires Jorge Newbery

SCLAEP

Santiago Arturo Merino Benitez

Fri 25/9

1:22 p.m.-3:30 p.m.

Nonstop2h 08m

Buenos Aires Jorge Newbery

Mon 28/9

8:57 p.m.-11:04 p.m.

1 stop26h 07m

C$ 295

SantiagoBuenos Aires

SCL Santiago Arturo Merino Benitez - AEP Buenos Aires Jorge Newbery

SCLAEP

Santiago Arturo Merino Benitez

Thu 3/12

3:54 p.m.-11:12 p.m.

1 stop7h 18m

Buenos Aires Jorge Newbery

Mon 7/12

5:40 a.m.-8:02 a.m.

Nonstop2h 22m

C$ 332

SantiagoBuenos Aires

SCL Santiago Arturo Merino Benitez - AEP Buenos Aires Jorge Newbery

SCLAEP

Santiago Arturo Merino Benitez

Fri 23/10

6:49 a.m.-2:59 p.m.

1 stop8h 10m

Buenos Aires Jorge Newbery

Sun 25/10

5:45 a.m.-8:13 a.m.

Nonstop2h 28m

C$ 338

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/8

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

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 C$ 234). Flying from Santiago to Buenos Aires in January is currently the most expensive (average of C$ 288). 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 12 August 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 14% 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 12 August 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 (8 on average).

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

Airfare is below average for this route at the moment.
Santiago to Buenos Aires flights typically cost between C$ 221 and C$ 355 in December.
The cheapest round-trip price found within the last 5 days was C$ 191 on JetSMART (9 Dec-12 Dec).

How often are flights from Santiago to Buenos Aires delayed?

About 10% of weekly flights between Santiago and Buenos Aires have experienced delays in the past year, with the average delay time being 115 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 6% of flights being delayed.

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

The best time to book flights from Santiago to Buenos Aires is 82 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.

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 12 August 2026.
Read reviews from past customers who have flown Aerolineas Argentinas and 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.
Aerolineas Argentinas
8.1
Very good
1,064 reviews
Check prices

Food

6.5

Crew

8.4

Overall

8.1

Entertainment

5.8

Comfort

7.6

Boarding

7.9

Reviews

1 / 8
6.0
Good

Jesica,Jul 2026

MIA - EZE

Arrived earlier to destiny. Inside the plane was so hot when we were boarding that we could have passed out.
Aerolineas Argentinas
8.1
Very good
1,064 reviews
Aerolineas Argentinas
8.1
Very good
1,064 reviews
Check prices

Food

6.5

Crew

8.4

Overall

8.1

Entertainment

5.8

Comfort

7.6

Boarding

7.9

Reviews

1 / 8
6.0
Good

Jesica,Jul 2026

MIA - EZE

Arrived earlier to destiny. Inside the plane was so hot when we were boarding that we could have passed out.
JetSMART
6.8
Okay
335 reviews
Aerolineas Argentinas
8.1
Very good
1,064 reviews
Check prices

Food

6.5

Crew

8.4

Overall

8.1

Entertainment

5.8

Comfort

7.6

Boarding

7.9

Reviews

1 / 8
6.0
Good

Jesica,Jul 2026

MIA - EZE

Arrived earlier to destiny. Inside the plane was so hot when we were boarding that we could have passed out.

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 13 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 most reliable airlines from Santiago to Buenos Aires?

    The top 3 most reliable airlines when flying from Santiago to Buenos Aires are JetSMART (100%), JetSMART (100%) and Sky Airlines Peru (96%).

  • 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, May is the cheapest month in which you can book a flight from Santiago to Buenos Aires (average of C$ 234). Flying from Santiago to Buenos Aires in January is currently the most expensive (average of C$ 288). 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.
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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?

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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