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$66+ Cheap flights from Santiago (SCL) to Buenos Aires (BUE)

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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
SCL — BUE
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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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 Sunday or Friday and return on a Thursday

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 August 14, 2025.

Round-trip from

$149
(Kiwi.com)

One-way from

$66
(Mytrip)

Popular in

September

Cheapest in

May

Average price

$186

Good round-trip deal

$100 or less

Good one-way deal

$93 or less
From Santiago Arturo Merino Benitez to Buenos Aires (BUE)
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One-way flight from Santiago Arturo Merino Benitez to Buenos Aires (BUE)
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Highest demand for flights based on searches. 3% potential increase in price ($6 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($2 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Santiago Arturo Merino Benitez to Buenos Aires (BUE).
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Price to beat on a one-way flight from Santiago Arturo Merino Benitez to Buenos Aires (BUE).
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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 August 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/23:11 pmSCL - AEP
1 stop9h 19mJetSMART
Sun 10/55:40 amAEP - SCL
Nonstop2h 25mJetSMART
Deal found 8/13$149
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/312:15 pmSCL - AEP
1 stop5h 02mMultiple Airlines
Fri 9/56:45 pmAEP - SCL
1 stop4h 31mMultiple Airlines
Deal found 8/14$153
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/13:31 pmSCL - AEP
1 stop6h 46mMultiple Airlines
Wed 9/32:10 pmAEP - SCL
1 stop6h 29mMultiple Airlines
Deal found 8/14$161
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/163:11 pmSCL - AEP
1 stop5h 41mJetSMART
Fri 10/3110:30 amAEP - SCL
Nonstop2h 25mJetSMART
Deal found 8/12$163
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/287:24 amSCL - AEP
Nonstop2h 06mJetSMART
Sun 10/55:40 amAEP - SCL
Nonstop2h 25mJetSMART
Deal found 8/14$164
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/109:14 amSCL - AEP
Nonstop2h 06mJetSMART
Thu 9/1810:10 pmAEP - SCL
Nonstop2h 25mJetSMART
Deal found 8/12$165
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/129:14 amSCL - AEP
Nonstop2h 06mJetSMART
Fri 11/77:36 pmAEP - SCL
Nonstop2h 24mJetSMART
Deal found 8/12$166
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/224:31 pmSCL - AEP
1 stop16h 39mMultiple Airlines
Sun 10/125:40 amAEP - SCL
Nonstop2h 25mMultiple Airlines
Deal found 8/13$167
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/131:24 pmSCL - AEP
Nonstop2h 06mJetSMART
Fri 11/712:35 pmAEP - SCL
Nonstop2h 24mJetSMART
Deal found 8/12$170
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/316:24 amSCL - AEP
Nonstop2h 06mJetSMART
Fri 9/510:10 pmAEP - SCL
Nonstop2h 25mJetSMART
Deal found 8/14$171
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/224:55 pmSCL - AEP
1 stop21h 15mMultiple Airlines
Thu 8/286:20 amAEP - SCL
1 stop4h 50mMultiple Airlines
Deal found 8/13$172
This Booking.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/128:31 pmSCL - EZE
1 stop4h 36mMultiple Airlines
Sun 9/146:40 amEZE - SCL
Nonstop2h 25mMultiple Airlines
Deal found 8/14$175

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 2,558,603 searches. Data last updated August 14, 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

Sun 8/31

2:15 pm-8:17 pm

1 stop5h 02m

Buenos Aires Jorge Newbery

Fri 9/5

6:45 pm-10:16 pm

1 stop4h 31m

$153

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Mon 9/1

3:31 pm-11:17 pm

1 stop6h 46m

Buenos Aires Jorge Newbery

Wed 9/3

2:10 pm-7:39 pm

1 stop6h 29m

$161

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Thu 10/16

3:11 pm-8:52 pm

1 stop5h 41m

Buenos Aires Jorge Newbery

Fri 10/31

10:30 am-12:55 pm

Nonstop2h 25m

$163

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Fri 10/24

8:31 pm-1:33 am

1 stop5h 02m

Buenos Aires Jorge Newbery

Sun 10/26

5:40 am-8:05 am

Nonstop2h 25m

$163

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sun 9/28

7:24 am-9:30 am

Nonstop2h 06m

Buenos Aires Jorge Newbery

Sun 10/5

5:40 am-8:05 am

Nonstop2h 25m

$164

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Wed 9/10

9:14 am-11:20 am

Nonstop2h 06m

Buenos Aires Jorge Newbery

Thu 9/18

10:10 pm-12:35 am

Nonstop2h 25m

$165

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sat 10/11

7:14 pm-9:20 pm

Nonstop2h 06m

Buenos Aires Jorge Newbery

Sun 11/9

5:35 am-7:59 am

Nonstop2h 24m

$166

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sun 10/12

9:14 am-11:20 am

Nonstop2h 06m

Buenos Aires Jorge Newbery

Fri 10/31

10:10 pm-12:35 am

Nonstop2h 25m

$166

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sat 10/18

7:24 am-9:30 am

Nonstop2h 06m

Buenos Aires Jorge Newbery

Fri 10/31

10:30 am-12:55 pm

Nonstop2h 25m

$166

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Fri 10/10

7:14 pm-9:20 pm

Nonstop2h 06m

Buenos Aires Jorge Newbery

Sun 11/9

5:35 am-7:59 am

Nonstop2h 24m

$166

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 41 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 August 8, 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, April is the cheapest month in which you can book a flight from Santiago to Buenos Aires (average of $795). Flying from Santiago to Buenos Aires in December is currently the most expensive (average of $1,260). 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 August 14, 2025.

A simple way to save on the total cost of your ticket is to fly from Santiago to Buenos Aires in the evening. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Santiago to Buenos Aires?

Use this chart to determine the cheapest time to fly round-trip from Santiago to Buenos Aires. Price data was last updated on August 10, 2025.

Travelers seeking maximum savings on their Santiago to Buenos Aires flight should consider departing on Sunday at noon when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 August 14, 2025.

The most flights from SCL to BUE are scheduled on a Thursday (24 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (5 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 August 14, 2025.
See what other customers who have flown with Aerolineas Argentinas, KLM, and LATAM Airlines from Santiago to Buenos Aires have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aerolineas Argentinas
8.1
Very good
913 reviews

Food

6.5

Crew

8.3

Overall

8.1

Boarding

8.0

Comfort

7.5

Entertainment

5.7

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.
Aerolineas Argentinas
8.1
Very good
913 reviews
Aerolineas Argentinas
8.1
Very good
913 reviews

Food

6.5

Crew

8.3

Overall

8.1

Boarding

8.0

Comfort

7.5

Entertainment

5.7

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.
KLM
7.8
Good
1,381 reviews
Aerolineas Argentinas
8.1
Very good
913 reviews

Food

6.5

Crew

8.3

Overall

8.1

Boarding

8.0

Comfort

7.5

Entertainment

5.7

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.
LATAM Airlines
7.5
Good
1,840 reviews
Aerolineas Argentinas
8.1
Very good
913 reviews

Food

6.5

Crew

8.3

Overall

8.1

Boarding

8.0

Comfort

7.5

Entertainment

5.7

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.
JetSMART
6.5
Okay
213 reviews
Aerolineas Argentinas
8.1
Very good
913 reviews

Food

6.5

Crew

8.3

Overall

8.1

Boarding

8.0

Comfort

7.5

Entertainment

5.7

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.

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?

    Santiago Arturo Merino Benitez (SCL) is the airport you will fly out of if you book a flight from Santiago to Buenos Aires. You should not have trouble finding flights to Buenos Aires from Arturo Merino Benitez; the airport handles an average of 11 outbound flights to Buenos Aires per day. You should also have plenty of airline options to choose from since 5 airlines have flights from the Santiago airport to Buenos Aires. It is only a 8.4 mi journey to Arturo Merino Benitez (SCL) from Santiago’s city center.

  • What are the cheapest airlines flying from Santiago to Buenos Aires round-trip?

    JetSMART, at $62, was found to be the cheapest airline from Santiago to Buenos Aires.Alternate airlines to your destination round-trip include Aerolineas Argentinas and Sky Airline. JetSMART is 66% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airline one-way is Sky Airline, with whom users have recently found tickets for as low as $66. However, be on the lookout for offers from JetSMART and LATAM Airlines, as they are both options that can get you from Santiago to Buenos Aires for a low price.

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

    Before booking your flight to Buenos Aires from Santiago, check out the most reliable airlines to get you to your destination on time: JetSMART (90%), JetSMART (89%), Sky Airlines Peru( 83%).

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

    Looking at all options, your cheapest flight can be booked for $54. While the most popular route (Santiago Arturo Merino Benitez - Buenos Aires Ministro Pistarini) can be booked for $187 on average our data indicates $179 when flying from Santiago to Buenos Aires.

  • 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, April is the cheapest month in which you can book a flight from Santiago to Buenos Aires (average of $795). Flying from Santiago to Buenos Aires in December is currently the most expensive (average of $1,260). 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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Top 5 airlines flying from Santiago to Buenos Aires

Discover the top 5 airlines that operate flights from Santiago to Buenos Aires. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetSMARTCheapest$62Average$168FlexibilityNo cancel feeOn-timeN/A
Aerolineas ArgentinasCheapest$112Average$246FlexibilityNo cancel feeOn-time59%
Sky AirlineCheapest$141Average$203FlexibilityNo cancel feeOn-time73%
KLMCheapest$175Average$212FlexibilityNo cancel feeOn-time75%
LATAM AirlinesCheapest$175Average$265FlexibilityNo cancel feeOn-time81%

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