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$57+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
SCL — BUE
Mar 28 — Apr 41
Sat 3/28
Sat 4/4
1 adult, Economy
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Find cheap flights from Santiago to Buenos Aires with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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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 64 days in advance, depart on a Saturday or Friday and return on a Friday

Cheap 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 February 26, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/23. 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 3/156:56 am
SCL
-
AEP
1 stop27h 09m
Multiple Airlines
Thu 3/1910:10 pm
AEP
-
SCL
Nonstop2h 25m
Multiple Airlines
Deal found 2/23$130
This Kiwi.com deal was found by Cheapflights users on 2/26. 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 4/245:46 am
SCL
-
EZE
1 stop9h 01m
Multiple Airlines
Sun 4/265:50 pm
EZE
-
SCL
1 stop5h 34m
Multiple Airlines
Deal found 2/26$131
This Kiwi.com deal was found by Cheapflights users on 2/23. 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.
Tue 3/109:15 am
SCL
-
AEP
Nonstop2h 05m
JetSMART
Thu 3/1210:10 pm
AEP
-
SCL
Nonstop2h 25m
JetSMART
Deal found 2/23$134
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 3/269:15 am
SCL
-
AEP
Nonstop2h 05m
JetSMART
Sat 3/285:45 am
AEP
-
SCL
Nonstop2h 24m
JetSMART
Deal found 2/23$138
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 3/157:14 pm
SCL
-
AEP
Nonstop2h 06m
JetSMART
Thu 3/195:45 am
AEP
-
SCL
Nonstop2h 24m
JetSMART
Deal found 2/23$139
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 5/285:40 pm
SCL
-
AEP
Nonstop2h 00m
Multiple Airlines
Sat 5/3010:10 pm
AEP
-
SCL
Nonstop2h 26m
Multiple Airlines
Deal found 2/24$140
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 4/83:12 pm
SCL
-
AEP
Nonstop2h 08m
Multiple Airlines
Sun 4/125:55 am
AEP
-
SCL
1 stop17h 29m
Multiple Airlines
Deal found 2/23$142
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 3/169:15 am
SCL
-
AEP
Nonstop2h 05m
JetSMART
Thu 3/1910:10 pm
AEP
-
SCL
Nonstop2h 25m
JetSMART
Deal found 2/23$143
This Kiwi.com deal was found by Cheapflights users on 2/22. 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.
Tue 4/288:12 am
SCL
-
AEP
Nonstop2h 08m
JetSMART
Thu 5/75:45 am
AEP
-
SCL
Nonstop2h 26m
JetSMART
Deal found 2/22$144
This Kiwi.com deal was found by Cheapflights users on 2/25. 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.
Tue 5/1210:00 am
SCL
-
AEP
1 stop5h 50m
Multiple Airlines
Wed 5/275:45 am
AEP
-
SCL
Nonstop2h 26m
Multiple Airlines
Deal found 2/25$145
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 3/97:14 pm
SCL
-
AEP
Nonstop2h 06m
JetSMART
Thu 3/1210:10 pm
AEP
-
SCL
Nonstop2h 25m
JetSMART
Deal found 2/23$146
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 5/296:10 pm
SCL
-
AEP
1 stop3h 55m
Multiple Airlines
Sun 5/3110:10 pm
AEP
-
SCL
Nonstop2h 26m
Multiple Airlines
Deal found 2/24$147

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 February 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$130
(Kiwi.com)

One-way from

$57
(FlightHub)

Popular in

February

Cheapest in

May

Average price

$209

Good round-trip deal

$146 or less

Good one-way deal

$93 or less
Provider with most accurate pricing for Santiago Arturo Merino Benitez-Buenos Aires (BUE) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Santiago Arturo Merino Benitez-Buenos Aires (BUE) flights.
Search Deals
From Santiago Arturo Merino Benitez to Buenos Aires (BUE)
Search Deals
One-way flight from Santiago Arturo Merino Benitez to Buenos Aires (BUE)
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($2 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 2,558,603 searches. Data last updated February 26, 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

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Wed 6/10

2:09 pm-12:18 am

1 stop9h 09m

Buenos Aires Jorge Newbery

Wed 6/17

12:50 pm-2:16 pm

Nonstop2h 26m

$173

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Tue 4/14

8:12 am-11:20 am

Nonstop2h 08m

Buenos Aires Jorge Newbery

Wed 4/15

5:15 am-6:41 am

Nonstop2h 26m

$175

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Fri 3/27

7:14 pm-9:20 pm

Nonstop2h 06m

Buenos Aires Jorge Newbery

Mon 4/6

10:10 pm-11:35 pm

Nonstop2h 25m

$176

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sat 4/25

8:12 am-11:20 am

Nonstop2h 08m

Buenos Aires Jorge Newbery

Thu 4/30

5:45 am-7:11 am

Nonstop2h 26m

$176

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Thu 3/12

7:14 pm-9:20 pm

Nonstop2h 06m

Buenos Aires Jorge Newbery

Tue 3/24

5:45 am-8:09 am

Nonstop2h 24m

$176

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Thu 6/11

6:12 pm-9:20 pm

Nonstop2h 08m

Buenos Aires Jorge Newbery

Sat 6/13

5:45 am-7:11 am

Nonstop2h 26m

$176

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Mon 6/22

3:12 pm-6:20 pm

Nonstop2h 08m

Buenos Aires Jorge Newbery

Sun 6/28

4:30 pm-5:56 pm

Nonstop2h 26m

$177

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Fri 8/21

6:24 am-9:30 am

Nonstop2h 06m

Buenos Aires Jorge Newbery

Tue 8/25

5:45 am-7:09 am

Nonstop2h 24m

$177

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sat 6/13

7:24 pm-5:04 pm

1 stop20h 40m

Buenos Aires Jorge Newbery

Thu 6/18

12:50 pm-2:16 pm

Nonstop2h 26m

$189

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Wed 7/22

8:15 am-11:20 am

Nonstop2h 05m

Buenos Aires Jorge Newbery

Sat 7/25

10:10 pm-12:35 am

Nonstop3h 25m

$202

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

Showing 1-10 of 40 resultsSorted by cheapest first
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Compare providers for flights from Santiago to Buenos Aires

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Santiago to Buenos Aires in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Santiago-Buenos Aires flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santiago-Buenos Aires flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santiago-Buenos Aires flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Santiago-Buenos Aires flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Santiago-Buenos Aires flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 February 20, 2026.

The best time to book flights from Santiago to Buenos Aires is 64 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, May is the cheapest month in which you can book a flight from Santiago to Buenos Aires (average of $52). Flying from Santiago to Buenos Aires in January is currently the most expensive (average of $113). 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 February 26, 2026.

A simple way to save on the total cost of your ticket is to fly from Santiago to Buenos Aires at noon. If you’re flexible enough to do this you can expect to save up to 22% 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 February 21, 2026.

Travelers seeking maximum savings on their Santiago to Buenos Aires flight should consider departing on Saturday at noon when fares are most often at their lowest. Tuesday evenings 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 February 26, 2026.

The most flights from SCL to BUE are scheduled on a Wednesday (23 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (11 on average).

How often are flights from Santiago to Buenos Aires delayed?

About 12% of weekly flights between Santiago and Buenos Aires have experienced delays in the past year, with the average delay time being 112 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 in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday 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 last year, Sky Airline have 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 February 26, 2026.
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
1,013 reviews

Food

6.5

Boarding

8.0

Crew

8.4

Entertainment

5.8

Overall

8.1

Comfort

7.6

Reviews

1 / 6
8.0
Excellent

adam,Jan 2026

USH - EZE

Gate change was not announced. Groupings for boarding a little disorganized. Otherwise all good.
Aerolineas Argentinas
8.1
Very good
1,013 reviews
Aerolineas Argentinas
8.1
Very good
1,013 reviews

Food

6.5

Boarding

8.0

Crew

8.4

Entertainment

5.8

Overall

8.1

Comfort

7.6

Reviews

1 / 6
8.0
Excellent

adam,Jan 2026

USH - EZE

Gate change was not announced. Groupings for boarding a little disorganized. Otherwise all good.
KLM
7.7
Good
1,460 reviews
Aerolineas Argentinas
8.1
Very good
1,013 reviews

Food

6.5

Boarding

8.0

Crew

8.4

Entertainment

5.8

Overall

8.1

Comfort

7.6

Reviews

1 / 6
8.0
Excellent

adam,Jan 2026

USH - EZE

Gate change was not announced. Groupings for boarding a little disorganized. Otherwise all good.
LATAM Airlines
7.5
Good
1,919 reviews
Aerolineas Argentinas
8.1
Very good
1,013 reviews

Food

6.5

Boarding

8.0

Crew

8.4

Entertainment

5.8

Overall

8.1

Comfort

7.6

Reviews

1 / 6
8.0
Excellent

adam,Jan 2026

USH - EZE

Gate change was not announced. Groupings for boarding a little disorganized. Otherwise all good.
JetSMART
6.7
Okay
273 reviews
Aerolineas Argentinas
8.1
Very good
1,013 reviews

Food

6.5

Boarding

8.0

Crew

8.4

Entertainment

5.8

Overall

8.1

Comfort

7.6

Reviews

1 / 6
8.0
Excellent

adam,Jan 2026

USH - EZE

Gate change was not announced. Groupings for boarding a little disorganized. Otherwise all good.

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 15 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.

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

    Departing from Santiago to Buenos Aires will take you 2h. The distance from Santiago to Buenos Aires is about 707 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    JetSMART, at $44, was found to be the cheapest airline from Santiago to Buenos Aires.Alternate airlines to your destination round-trip include Aerolineas Argentinas and LATAM Airlines. JetSMART is 76% 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 $55. However, be on the lookout for offers from JetSMART and KLM, 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: Sky Airlines Peru (96%), Sky Airline (92%), JetSMART( 86%).

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

    Looking at all options, your cheapest flight can be booked for $58. While the most popular route (Santiago Arturo Merino Benitez - Buenos Aires Ministro Pistarini) can be booked for $137 on average, our data indicates $192 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, May is the cheapest month in which you can book a flight from Santiago to Buenos Aires (average of $52). Flying from Santiago to Buenos Aires in January is currently the most expensive (average of $113). 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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Alternative routes for Santiago to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
Santiago to Mendoza flights
Santiago to San Carlos de Bariloche flights
Santiago to Cordoba flights
Santiago to Ushuaia flights

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 February 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetSMARTCheapest$44Average$177FlexibilityNo cancel feeOn-timeN/A
Aerolineas ArgentinasCheapest$82Average$236FlexibilityNo cancel feeOn-time59%
LATAM AirlinesCheapest$149Average$255FlexibilityNo cancel feeOn-time81%
Sky AirlineCheapest$173Average$198FlexibilityNo cancel feeOn-time73%
KLMCheapest$194Average$245FlexibilityNo cancel feeOn-time75%

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