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Cheap flights from Santiago to Buenos Aires from $85

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 17/1. Fares are subject to change and may not be available on all flights or dates of travel.
SCL — BUE
5 Dec — 12 Dec1
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 63 days in advance, depart on a Saturday or Wednesday and return on a Tuesday

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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 5 November 2025.

Thu 18/1219:05SCL - AEP
1 stop4h 50mMultiple Airlines
Thu 25/1220:05AEP - SCL
1 stop26h 00mMultiple Airlines
Deal found 3/11$234
Tue 18/1109:15SCL - AEP
Nonstop2h 05mJetSMART
Tue 25/1105:45AEP - SCL
Nonstop2h 24mJetSMART
Deal found 3/11$252
Thu 18/1216:35SCL - AEP
Nonstop2h 05mJetSMART
Thu 25/1219:06AEP - SCL
Nonstop2h 24mJetSMART
Deal found 3/11$254
Wed 3/1216:35SCL - AEP
Nonstop2h 05mJetSMART
Fri 5/1219:06AEP - SCL
Nonstop2h 24mJetSMART
Deal found 4/11$255
Wed 19/1116:35SCL - AEP
Nonstop2h 05mJetSMART
Mon 24/1112:50AEP - SCL
Nonstop2h 24mJetSMART
Deal found 4/11$257
Thu 20/1109:15SCL - AEP
Nonstop2h 05mJetSMART
Sun 23/1112:50AEP - SCL
Nonstop2h 24mJetSMART
Deal found 4/11$258
Sat 29/1107:10SCL - AEP
1 stop18h 08mJetSMART
Fri 5/1216:30AEP - SCL
Nonstop2h 25mJetSMART
Deal found 4/11$260
Fri 28/1122:25SCL - AEP
Nonstop2h 05mJetSMART
Thu 4/1219:06AEP - SCL
Nonstop2h 24mJetSMART
Deal found 4/11$261
Sat 22/1107:10SCL - AEP
1 stop18h 22mJetSMART
Mon 24/1105:45AEP - SCL
Nonstop2h 24mJetSMART
Deal found 3/11$263
Thu 4/1222:25SCL - AEP
Nonstop2h 05mJetSMART
Tue 9/1205:45AEP - SCL
Nonstop2h 24mJetSMART
Deal found 3/11$272
Fri 19/1213:25SCL - AEP
Nonstop2h 05mJetSMART
Sat 20/1222:10AEP - SCL
Nonstop2h 25mJetSMART
Deal found 2/11$274

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 5 November 2025.

Round-trip from

$234

One-way from

$85

Popular in

September

Cheapest in

May

Average price

$287

Good round-trip deal

$254 or less

Good one-way deal

$89 or less
18/12-25/12
  • 18/12-25/12
  • 2 total stops
  • 30h 50m total
  • Santiago to Buenos Aires
Search Deals
JetSMART
  • JetSMART
  • 17/1
  • Nonstop
  • 2h 05m total
  • Santiago to Buenos Aires
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($28 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 November 2025
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 5 November 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 21/1

07:25-09:30

Nonstop2h 05m

Buenos Aires Jorge Newbery

Tue 27/1

05:45-08:09

Nonstop2h 24m

$255

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Thu 30/4

15:35-18:40

Nonstop2h 05m

Buenos Aires Jorge Newbery

Sun 3/5

19:39-21:04

Nonstop2h 25m

$255

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Wed 3/12

16:35-18:40

Nonstop2h 05m

Buenos Aires Jorge Newbery

Wed 10/12

12:50-15:14

Nonstop2h 24m

$255

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sun 7/12

09:15-11:20

Nonstop2h 05m

Buenos Aires Jorge Newbery

Tue 9/12

05:45-08:09

Nonstop2h 24m

$255

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Thu 5/2

19:15-21:20

Nonstop2h 05m

Buenos Aires Jorge Newbery

Mon 9/2

12:50-15:14

Nonstop2h 24m

$255

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sat 20/12

22:25-00:30

Nonstop2h 05m

Buenos Aires Jorge Newbery

Sun 28/12

12:50-15:14

Nonstop2h 24m

$255

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sat 24/1

07:25-09:30

Nonstop2h 05m

Buenos Aires Jorge Newbery

Thu 29/1

22:10-00:35

Nonstop2h 25m

$255

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Wed 3/12

16:35-18:40

Nonstop2h 05m

Buenos Aires Jorge Newbery

Mon 8/12

05:45-08:09

Nonstop2h 24m

$255

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Thu 20/11

09:15-11:20

Nonstop2h 05m

Buenos Aires Jorge Newbery

Mon 24/11

05:45-08:09

Nonstop2h 24m

$255

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sun 1/3

06:34-08:40

Nonstop2h 06m

Buenos Aires Jorge Newbery

Sat 14/3

22:10-00:35

Nonstop2h 25m

$255

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 20 results
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 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 31 October 2025.

The best time to book flights from Santiago to Buenos Aires is 63 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 $80). Flying from Santiago to Buenos Aires in September is currently the most expensive (average of $123). 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 5 November 2025.

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 evening.

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 5 November 2025.

The most flights from SCL to BUE are scheduled on a Monday (16 on average). You will have fewer flight options on Wednesday, 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?

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 5 November 2025.
Check out reviews from past customers who have flown with 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.
LATAM Airlines
7.5
Good
1,874 reviews
Check prices

Boarding

7.6

Crew

8.0

Entertainment

7.0

Comfort

7.3

Overall

7.5

Food

6.7

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
LATAM Airlines
7.5
Good
1,874 reviews
LATAM Airlines
7.5
Good
1,874 reviews
Check prices

Boarding

7.6

Crew

8.0

Entertainment

7.0

Comfort

7.3

Overall

7.5

Food

6.7

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

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 12 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 $255. 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 Sky Airlines Peru(100%), JetSMART(100%) or Sky Airline(97%), 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 $158 for a flight from Santiago to Buenos Aires. The cheapest flight overall is $76 while the most popular route, (Santiago Arturo Merino Benitez - Buenos Aires Jorge Newbery) is currently priced at $472.

  • 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 $80). Flying from Santiago to Buenos Aires in September is currently the most expensive (average of $123). 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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