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

JetSMART, at $188, was found to be the cheapest airline from Santiago to Buenos Aires.Alternate airlines to your destination round-trip include Aerolineas Argentinas and KLM.

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

The cheapest airline one-way is JetSMART, with whom users have recently found tickets for as low as $64. However, be on the lookout for offers from Sky Airline and Aerolineas Argentinas, as they are both options that can get you from Santiago to Buenos Aires for a low price.

What are the cheapest flights from Santiago to Buenos Aires?

Looking at all options, your cheapest flight can be booked for $70. While the most popular route (Santiago Arturo Merino Benitez - Buenos Aires Ministro Pistarini) can be booked for $235 on average our data indicates $181 when flying from Santiago to Buenos Aires.

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 (100%), LATAM Airlines (92%), Sky Airlines Peru( 85%).

What are the most popular airlines that fly from Santiago to Buenos Aires?

Consider Sky Airline, KLM or LATAM Airlines when booking your flight. These represent the most popular airlines when flying from Santiago to Buenos Aires.

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

Sunday flights are found to be more expensive to fly from Santiago to Buenos Aires. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Buenos Aires.

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

To save up to 25% on this flight, we recommend booking at least 57 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Santiago to Buenos Aires from $195 1-2 weeks out and tickets from $220 for flights departing within the next 72 hours.

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

Our data shows that May tends to be the cheapest month to fly to Buenos Aires from Santiago. Users have commonly found prices around $185 for the month, but tickets can be as low as $59. Due to multiple factors, prepare for potentially higher prices in September.

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.

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.

$64+ Flights from Santiago to Buenos Aires

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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”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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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 Friday or Wednesday and return on a Friday

Cheap flight deals from Santiago to Buenos Aires

Round-trip from	$187 (Kiwi.com)
One-way from	$64 (Priceline)
Popular in	September
Cheapest in	May
Average price	$166
Good round-trip deal	$114 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 ($5 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 June 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 June 12, 2025.

Tue 9/29:54 pmSCL - AEP

Nonstop2h 06mMultiple Airlines

Thu 9/48:40 amAEP - SCL

2 stops9h 16mMultiple Airlines

Deal found 6/11

$187

Thu 8/72:11 pmSCL - AEP

1 stop4h 47mJetSMART

Sun 8/106:15 pmAEP - SCL

1 stop25h 01mJetSMART

Deal found 6/10

$188

Sat 6/285:54 pmSCL - EZE

Nonstop2h 06mJetSMART

Sat 7/59:02 pmEZE - SCL

Nonstop2h 33mJetSMART

Deal found 6/10

$202

Fri 8/225:56 amSCL - EZE

1 stop15h 57mMultiple Airlines

Sun 8/246:40 amEZE - SCL

Nonstop2h 25mMultiple Airlines

Deal found 6/11

$213

Wed 6/114:00 amSCL - EZE

Nonstop2h 00mSky Airline

Wed 6/187:10 pmEZE - SCL

Nonstop2h 30mSky Airline

Deal found 6/10

$237

Tue 11/1110:15 amSCL - AEP

Nonstop2h 05mAerolineas Argentinas

Mon 11/246:50 pmAEP - SCL

Nonstop2h 25mAerolineas Argentinas

Deal found 6/11

$238

Wed 11/126:55 pmSCL - EZE

Nonstop2h 05mAerolineas Argentinas

Tue 11/187:00 amEZE - SCL

Nonstop2h 25mAerolineas Argentinas

Deal found 6/11

$242

Thu 6/129:55 amSCL - EZE

Nonstop1h 55mKLM

Mon 6/167:10 amEZE - SCL

Nonstop2h 15mKLM

Deal found 6/10

$245

Tue 6/108:30 pmSCL - AEP

1 stop13h 00mLATAM Airlines

Wed 6/113:40 pmAEP - SCL

Nonstop2h 24mLATAM Airlines

Deal found 6/10

$245

Tue 11/118:15 pmSCL - EZE

Nonstop2h 02mLATAM Airlines

Fri 11/215:35 amEZE - SCL

Nonstop2h 25mLATAM Airlines

Deal found 6/11

$252

Sat 7/1912:35 amSCL - AEP

Nonstop2h 05mSky Airline

Sat 7/267:55 amAEP - SCL

Nonstop2h 30mSky Airline

Deal found 6/11

$252

Best flights from Santiago to Buenos Aires
Discover carefully curated flight deals from Santiago to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Tue 9/29:54 pmSCL - AEP

Nonstop2h 06mMultiple Airlines

Thu 9/48:40 amAEP - SCL

2 stops9h 16mMultiple Airlines

Deal found 6/11

$187

Thu 8/72:11 pmSCL - AEP

1 stop4h 47mJetSMART

Sun 8/106:15 pmAEP - SCL

1 stop25h 01mJetSMART

Deal found 6/10

$188

Tue 11/113:35 pmSCL - AEP

Nonstop2h 05mAerolineas Argentinas

Sun 11/2312:20 pmAEP - SCL

Nonstop2h 25mAerolineas Argentinas

Deal found 6/11

$238

Wed 6/259:40 amSCL - EZE

Nonstop1h 55mKLM

Thu 7/37:10 amEZE - SCL

Nonstop2h 15mKLM

Deal found 6/10

$245

Mon 7/1412:45 amSCL - EZE

Nonstop2h 00mSky Airline

Wed 7/237:10 pmEZE - SCL

Nonstop2h 30mSky Airline

Deal found 6/11

$251

Tue 11/118:15 pmSCL - EZE

Nonstop2h 02mLATAM Airlines

Fri 11/215:35 amEZE - SCL

Nonstop2h 25mLATAM Airlines

Deal found 6/11

$252

Sat 6/285:54 pmSCL - EZE

Nonstop2h 06mJetSMART

Sat 7/59:02 pmEZE - SCL

Nonstop2h 33mJetSMART

Deal found 6/10

$202

Fri 8/225:56 amSCL - EZE

1 stop15h 57mMultiple Airlines

Sun 8/246:40 amEZE - SCL

Nonstop2h 25mMultiple Airlines

Deal found 6/11

$213

Wed 11/126:55 pmSCL - EZE

Nonstop2h 05mAerolineas Argentinas

Tue 11/187:00 amEZE - SCL

Nonstop2h 25mAerolineas Argentinas

Deal found 6/11

$242

Sat 7/1912:35 amSCL - AEP

Nonstop2h 05mSky Airline

Sat 7/267:55 amAEP - SCL

Nonstop2h 30mSky Airline

Deal found 6/11

$252

Thu 7/312:35 amSCL - AEP

1 stop15h 25mLATAM Airlines

Thu 7/1010:35 amAEP - SCL

Nonstop2h 28mLATAM Airlines

Deal found 6/10

$362

Last-minute flights from Santiago to Buenos Aires
Discover last-minute flight deals from Santiago to Buenos Aires. Data last updated June 12, 2025 and is based on user searches.

Thu 6/129:55 amSCL - EZE

Nonstop1h 55mKLM

Tue 6/177:10 amEZE - SCL

Nonstop2h 15mKLM

Deal found 6/10

$245

Fri 6/1312:35 amSCL - AEP

Nonstop2h 05mSky Airline

Thu 7/39:50 amAEP - SCL

Nonstop2h 30mSky Airline

Deal found 6/12

$249

Fri 6/1311:36 amSCL - AEP

Nonstop2h 04mLATAM Airlines

Fri 6/1310:55 pmAEP - SCL

2 stops18h 45mLATAM Airlines

Deal found 6/12

$272

Mon 6/167:35 amSCL - AEP

Nonstop2h 05mAerolineas Argentinas

Tue 6/174:55 amAEP - SCL

Nonstop2h 25mAerolineas Argentinas

Deal found 6/11

$242

Tue 6/1712:35 amSCL - AEP

Nonstop2h 05mSky Airline

Fri 6/209:50 amAEP - SCL

Nonstop2h 30mSky Airline

Deal found 6/9

$273

Wed 6/189:40 amSCL - EZE

Nonstop1h 55mKLM

Sun 6/227:10 amEZE - SCL

Nonstop2h 15mKLM

Deal found 6/11

$245

Wed 6/1812:40 amSCL - EZE

Nonstop2h 00mMultiple Airlines

Sun 6/298:00 pmEZE - SCL

Nonstop2h 25mMultiple Airlines

Deal found 6/10

$283

Wed 6/1812:40 amSCL - EZE

Nonstop2h 00mSky Airline

Sun 6/227:10 pmEZE - SCL

Nonstop2h 30mSky Airline

Deal found 6/9

$321

Wed 6/188:55 amSCL - EZE

Nonstop2h 02mLATAM Airlines

Wed 6/255:30 amEZE - SCL

2 stops20h 15mLATAM Airlines

Deal found 6/10

$476

Wed 6/181:55 amSCL - EZE

1 stop22h 30mAvianca

Sat 6/211:40 amEZE - SCL

1 stop21h 50mAvianca

Deal found 6/10

$1,398

Thu 6/193:35 amSCL - EZE

1 stop36h 40mHahn Air

Sun 6/228:25 amEZE - SCL

1 stop19h 10mHahn Air

Deal found 6/10

$2,089

Thu 6/193:35 amSCL - EZE

1 stop36h 40mEuroairlines

Mon 6/238:30 pmEZE - SCL

1 stop31h 05mEuroairlines

Deal found 6/11

$2,466

One-way flights from Santiago to Buenos Aires
Search for one-way flight options from Santiago to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Sun 9/75:56 amSCL - AEP

1 stop3h 51mJetSMART

Deal found 6/10

$64

Mon 8/117:44 pmSCL - EZE

Nonstop2h 06mJetSMART

Deal found 6/11

$72

Mon 8/1112:45 amSCL - EZE

Nonstop2h 00mSky Airline

Deal found 6/12

$83

Tue 8/56:05 pmSCL - AEP

1 stop20h 17mMultiple Airlines

Deal found 6/10

$83

Sat 8/1612:35 amSCL - AEP

Nonstop2h 05mSky Airline

Deal found 6/11

$88

Mon 7/289:25 amSCL - AEP

Nonstop2h 05mAerolineas Argentinas

Deal found 6/10

$90

Tue 8/56:05 pmSCL - EZE

1 stop24h 50mMultiple Airlines

Deal found 6/11

$92

Tue 6/178:25 pmSCL - EZE

Nonstop2h 02mLATAM Airlines

Deal found 6/10

$106

Tue 10/217:35 amSCL - AEP

Nonstop2h 05mLATAM Airlines

Deal found 6/11

$111

Thu 8/149:55 amSCL - EZE

Nonstop1h 55mKLM

Deal found 6/11

$127

Thu 8/1410:50 amSCL - EZE

2 stops10h 45mAerolineas Argentinas

Deal found 6/11

$149

Tue 6/179:45 amSCL - EZE

1 stop11h 40mTurkish Airlines

Deal found 6/10

$379

Cheapflights Fare Finder

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

Tue 9/2

9:54 pm-1:00 am

Nonstop2h 06m

Buenos Aires Jorge Newbery

Thu 9/4

8:40 am-4:56 pm

2 stops9h 16m

$187

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Thu 8/7

2:11 pm-7:58 pm

1 stop4h 47m

Buenos Aires Jorge Newbery

Sun 8/10

6:15 pm-6:16 pm

1 stop25h 01m

$188

SantiagoBuenos Aires

SCL - EZE

SCLEZE

Santiago Arturo Merino Benitez

Sat 6/28

5:54 pm-9:00 pm

Nonstop2h 06m

Buenos Aires Ministro Pistarini

Sat 7/5

9:02 pm-10:35 pm

Nonstop2h 33m

$202

SantiagoBuenos Aires

SCL - EZE

SCLEZE

Santiago Arturo Merino Benitez

Fri 8/22

5:56 am-10:53 pm

1 stop15h 57m

Buenos Aires Ministro Pistarini

Sun 8/24

6:40 am-8:05 am

Nonstop2h 25m

$213

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Tue 11/11

3:35 pm-5:40 pm

Nonstop2h 05m

Buenos Aires Jorge Newbery

Sun 11/23

12:20 pm-2:45 pm

Nonstop2h 25m

$238

SantiagoBuenos Aires

SCL - EZE

SCLEZE

Santiago Arturo Merino Benitez

Wed 11/12

6:55 pm-9:00 pm

Nonstop2h 05m

Buenos Aires Ministro Pistarini

Tue 11/18

7:00 am-9:25 am

Nonstop2h 25m

$242

SantiagoBuenos Aires

SCL - EZE

SCLEZE

Santiago Arturo Merino Benitez

Wed 6/25

9:40 am-12:35 pm

Nonstop1h 55m

Buenos Aires Ministro Pistarini

Tue 7/1

7:10 am-8:25 am

Nonstop2h 15m

$245

SantiagoBuenos Aires

SCL - EZE

SCLEZE

Santiago Arturo Merino Benitez

Mon 7/14

12:45 am-3:45 am

Nonstop2h 00m

Buenos Aires Ministro Pistarini

Wed 7/30

7:10 pm-8:40 pm

Nonstop2h 30m

$251

SantiagoBuenos Aires

SCL - EZE

SCLEZE

Santiago Arturo Merino Benitez

Tue 11/11

8:15 pm-10:17 pm

Nonstop2h 02m

Buenos Aires Ministro Pistarini

Fri 11/21

5:35 am-8:00 am

Nonstop2h 25m

$252

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sat 7/19

12:35 am-3:40 am

Nonstop2h 05m

Buenos Aires Jorge Newbery

Sat 7/26

7:55 am-9:25 am

Nonstop2h 30m

$252

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 26 results

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?

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, 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?

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 20% on your trip compared to booking a flight at noon.

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

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. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Santiago to Buenos Aires

The most flights from SCL to BUE are scheduled on a Thursday (25 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Buenos Aires by month

In terms of precipitation, rainfall in Buenos Aires ranges from 2.0 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. June is typically the driest time to visit Buenos Aires when rainfall is around 2.0 in.

Temperature in Buenos Aires by month

If weather is an important factor for your trip to Buenos Aires, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Buenos Aires

See what other customers who have flown with Aerolineas Argentinas, KLM and LATAM Airlines from Santiago to Buenos Aires have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Aerolineas Argentinas

8.1

Very good

872 reviews

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

872 reviews

Aerolineas Argentinas

8.1

Very good

872 reviews

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

1,358 reviews

Aerolineas Argentinas

8.1

Very good

872 reviews

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

1,785 reviews

Aerolineas Argentinas

8.1

Very good

872 reviews

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.

Turkish Airlines

7.3

Good

3,848 reviews

Aerolineas Argentinas

8.1

Very good

872 reviews

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.

BoA

6.7

Okay

135 reviews

Aerolineas Argentinas

8.1

Very good

872 reviews

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

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 $188, was found to be the cheapest airline from Santiago to Buenos Aires.Alternate airlines to your destination round-trip include Aerolineas Argentinas and KLM.
What are the cheapest airlines to fly from Santiago to Buenos Aires one-way?
The cheapest airline one-way is JetSMART, with whom users have recently found tickets for as low as $64. However, be on the lookout for offers from Sky Airline and Aerolineas Argentinas, 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 (100%), LATAM Airlines (92%), Sky Airlines Peru( 85%).
What are the cheapest flights from Santiago to Buenos Aires?
Looking at all options, your cheapest flight can be booked for $70. While the most popular route (Santiago Arturo Merino Benitez - Buenos Aires Ministro Pistarini) can be booked for $235 on average our data indicates $181 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

Top 5 airlines flying from Santiago to Buenos Aires

Airline	Cheapest	Average	Flexibility	On-time
JetSMART	Cheapest$62	Average$167	FlexibilityNo cancel fee	On-timeN/A
Aerolineas Argentinas	Cheapest$112	Average$235	FlexibilityNo cancel fee	On-time59%
Sky Airline	Cheapest$128	Average$204	FlexibilityNo cancel fee	On-time73%
KLM	Cheapest$179	Average$214	FlexibilityNo cancel fee	On-time75%
LATAM Airlines	Cheapest$181	Average$257	FlexibilityNo cancel fee	On-time81%

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$64+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Santiago to Buenos Aires with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 Friday or Wednesday and return on a Friday

Cheap flight deals from Santiago to Buenos Aires

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Santiago to Buenos Aires

Cheapest flights from Santiago to Buenos AiresExplore 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 June 12, 2025.

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 June 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Santiago to Buenos Aires that are best for you.

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.

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 June 9, 2025.

What is the cheapest month to book a flight from Santiago to Buenos Aires?

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 June 12, 2025.

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 June 8, 2025.

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 June 12, 2025.

Rainfall in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average rainfall totals by month.

Temperature in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average temperature totals by month.

Reviews of airlines servicing Buenos Aires

See what other customers who have flown with Aerolineas Argentinas, KLM and LATAM Airlines from Santiago to Buenos Aires have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

What are the cheapest flights from Santiago to Buenos Aires?

Can I find deals for flights from Santiago to Buenos Aires that include hotel bookings?

How can I find direct flights from Santiago to Buenos Aires?

Can I find deals for business class flights from Santiago to Buenos Aires?

What is the cheapest month to book a flight from Santiago to Buenos Aires?

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Alternative routes for Santiago to Buenos Aires

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Top 5 airlines flying from Santiago to Buenos Aires

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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 June 12, 2025.