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Cheap flights from Santiago to Buenos Aires from $58

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Santiago to Buenos Aires departing on 12/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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Multiple Airlines Logo
8:30 pm - 12:55 amSCL-AEP
4h 25m1 stop
Multiple Airlines Logo
4:30 pm - 6:55 pmAEP-SCL
2h 25mnonstop
$131Multiple Airlines
Find Deal
Fri, Dec 12 - Fri, Dec 19
JetSMART Logo
7:10 am - 10:46 pmSCL-AEP
15h 36m1 stop
JetSMART Logo
10:10 pm - 12:35 amAEP-SCL
2h 25mnonstop
$141JetSMART
Find Deal
Sat, Nov 29 - Sat, Dec 6
JetSMART Logo
3:10 pm - 8:23 pmSCL-AEP
5h 13m1 stop
JetSMART Logo
4:30 pm - 6:55 pmAEP-SCL
2h 25mnonstop
$144JetSMART
Find Deal
Sat, Dec 6 - Fri, Dec 12
Multiple Airlines Logo
8:30 pm - 12:55 amSCL-AEP
4h 25m1 stop
Multiple Airlines Logo
7:11 pm - 9:35 pmAEP-SCL
2h 24mnonstop
$150Multiple Airlines
Find Deal
Fri, Dec 12 - Sun, Dec 14
JetSMART Logo
3:10 pm - 8:23 pmSCL-AEP
5h 13m1 stop
JetSMART Logo
3:35 pm - 7:26 pmAEP-SCL
3h 51m1 stop
$164JetSMART
Find Deal
Sat, Dec 6 - Fri, Dec 12
JetSMART Logo
7:15 pm - 9:20 pmSCL-AEP
2h 05mnonstop
JetSMART Logo
4:30 pm - 6:55 pmAEP-SCL
2h 25mnonstop
$166JetSMART
Find Deal
Sat, Dec 6 - Fri, Dec 12
Multiple Airlines Logo
6:55 am - 11:45 amSCL-AEP
4h 50m1 stop
Multiple Airlines Logo
10:10 pm - 12:35 amAEP-SCL
2h 25mnonstop
$170Multiple Airlines
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Sun, Jan 11 - Sat, Jan 17
KLM Logo
12:35 pm - 2:35 pmSCL-EZE
2h 00mnonstop
KLM Logo
8:55 am - 11:05 amEZE-SCL
2h 10mnonstop
$181KLM
Find Deal
Wed, Nov 19 - Mon, Nov 24
KLM Logo
12:10 pm - 2:10 pmSCL-EZE
2h 00mnonstop
KLM Logo
8:55 am - 11:05 amEZE-SCL
2h 10mnonstop
$182KLM
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Thu, Nov 20 - Sun, Nov 23
Sky Airline Logo
4:50 am - 7:00 amSCL-EZE
2h 10mnonstop
Sky Airline Logo
7:00 pm - 9:20 pmEZE-SCL
2h 20mnonstop
$232Sky Airline
Find Deal
Tue, Dec 2 - Fri, Dec 5

Sky Airline flights from Santiago to Buenos Aires

Our best Sky Airline deals on Santiago to Buenos Aires flight tickets
Sky Airline
Oct 31
SCL1:35 amSantiago Arturo Merino Benitez
2h 05m
EZE3:40 amBuenos Aires Ministro Pistarini
Nov 5
EZE7:00 pmBuenos Aires Ministro Pistarini
2h 20m
SCL9:20 pmSantiago Arturo Merino Benitez
$229
Find similar
Sky Airline
Nov 12
SCL1:30 amSantiago Arturo Merino Benitez
2h 10m
EZE3:40 amBuenos Aires Ministro Pistarini
Nov 16
EZE7:00 pmBuenos Aires Ministro Pistarini
2h 20m
SCL9:20 pmSantiago Arturo Merino Benitez
$231
Find similar
Sky Airline
Dec 2
SCL4:50 amSantiago Arturo Merino Benitez
2h 10m
EZE7:00 amBuenos Aires Ministro Pistarini
Dec 5
EZE7:00 pmBuenos Aires Ministro Pistarini
2h 20m
SCL9:20 pmSantiago Arturo Merino Benitez
$232
Find similar

KLM flights from Santiago to Buenos Aires

Our best KLM deals on Santiago to Buenos Aires flight tickets
KLM
Nov 19
SCL12:35 pmSantiago Arturo Merino Benitez
2h 00m
EZE2:35 pmBuenos Aires Ministro Pistarini
Nov 24
EZE8:55 amBuenos Aires Ministro Pistarini
2h 10m
SCL11:05 amSantiago Arturo Merino Benitez
$181
Find similar
KLM
Nov 1
SCL12:35 pmSantiago Arturo Merino Benitez
2h 00m
EZE2:35 pmBuenos Aires Ministro Pistarini
Nov 4
EZE8:55 amBuenos Aires Ministro Pistarini
2h 10m
SCL11:05 amSantiago Arturo Merino Benitez
$182
Find similar
KLM
Nov 20
SCL12:10 pmSantiago Arturo Merino Benitez
2h 00m
EZE2:10 pmBuenos Aires Ministro Pistarini
Nov 23
EZE8:55 amBuenos Aires Ministro Pistarini
2h 10m
SCL11:05 amSantiago Arturo Merino Benitez
$183
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated October 30, 2025.
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

Fri 12/12

8:30 pm-12:55 am

1 stop4h 25m

Buenos Aires Jorge Newbery

Fri 12/19

4:30 pm-6:55 pm

Nonstop2h 25m

$131

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sat 11/29

7:10 am-10:46 pm

1 stop15h 36m

Buenos Aires Jorge Newbery

Sat 12/6

10:10 pm-12:35 am

Nonstop2h 25m

$141

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sat 12/6

3:10 pm-8:23 pm

1 stop5h 13m

Buenos Aires Jorge Newbery

Fri 12/12

4:30 pm-6:55 pm

Nonstop2h 25m

$144

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Fri 12/12

8:30 pm-12:55 am

1 stop4h 25m

Buenos Aires Jorge Newbery

Sun 12/14

7:11 pm-9:35 pm

Nonstop2h 24m

$150

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sat 12/6

3:10 pm-8:23 pm

1 stop5h 13m

Buenos Aires Jorge Newbery

Fri 12/12

3:35 pm-7:26 pm

1 stop3h 51m

$164

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sat 12/6

7:15 pm-9:20 pm

Nonstop2h 05m

Buenos Aires Jorge Newbery

Fri 12/12

4:30 pm-6:55 pm

Nonstop2h 25m

$166

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sun 1/11

6:55 am-11:45 am

1 stop4h 50m

Buenos Aires Jorge Newbery

Sat 1/17

10:10 pm-12:35 am

Nonstop2h 25m

$170

SantiagoBuenos Aires

SCL - EZE

SCLEZE

Santiago Arturo Merino Benitez

Wed 11/19

12:35 pm-2:35 pm

Nonstop2h 00m

Buenos Aires Ministro Pistarini

Mon 11/24

8:55 am-11:05 am

Nonstop2h 10m

$181

SantiagoBuenos Aires

SCL - EZE

SCLEZE

Santiago Arturo Merino Benitez

Thu 11/20

12:10 pm-2:10 pm

Nonstop2h 00m

Buenos Aires Ministro Pistarini

Sun 11/23

8:55 am-11:05 am

Nonstop2h 10m

$182

SantiagoBuenos Aires

SCL - EZE

SCLEZE

Santiago Arturo Merino Benitez

Tue 12/2

4:50 am-7:00 am

Nonstop2h 10m

Buenos Aires Ministro Pistarini

Fri 12/5

7:00 pm-9:20 pm

Nonstop2h 20m

$232

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Buenos Aires from

How to get the cheapest flight ticket from Santiago to Buenos Aires

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Santiago and Buenos Aires?

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Santiago is in May. Flight prices, which tend to average around $158, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of May, then book flights to Buenos Aires from Santiago during June instead. Flights to Buenos Aires in June, while not as cheap as those in May, still average around $158.

What is the cheapest day to depart on your flight to Buenos Aires?

On average, the least expensive day to fly to Buenos Aires from Santiago is on a Friday. momondo users have found tickets for Friday departures for as low as $193. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Tuesday is $244.

What is the cheapest time of day to depart on your flight to Buenos Aires?

Our most recent data shows that the best time of day to fly to Buenos Aires is at noon. Flights from Santiago to Buenos Aires during this time can be as low as $139. Try not to purchase tickets in the morning because they tend to be around $230. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Santiago Arturo Merino Benitez to Buenos Aires flight route?

Fly from Santiago Arturo Merino Benitez to Buenos Aires Jorge Newbery for the best Santiago Arturo Merino Benitez - Buenos Aires flight prices

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

You are more likely to see cheaper flights to Buenos Aires from Santiago when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $218 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from Santiago for as low as $189 on momondo.

What cabin class options are available on Santiago Arturo Merino Benitez to Buenos Aires flights?

There are 3 cabin classes available to choose from on Santiago Arturo Merino Benitez to Buenos Aires flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Santiago to Buenos Aires flights?

No. A direct flight is the cheapest option for a flight between Santiago to Buenos Aires.

How have Santiago to Buenos Aires flight prices changed over time?

As of October 2025, prices for Santiago to Buenos Aires flights are approximately 18% cheaper when compared to flights at the same time last year.

When to book flights from Santiago to Buenos Aires

Are you open to changing your travel dates? Check out the ideal times to fly from Santiago to Buenos Aires according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Santiago to Buenos Aires (SCL to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Santiago to Buenos Aires

Best Price Found

$70

Fastest flight time

2h 00m

Direct flights

Every day

Airports in Buenos Aires

1 airport
The best one-way flight to Buenos Aires from Santiago in the past 72 hours is $70. The best round-trip flight deal from Santiago to Buenos Aires found on momondo in the last 72 hours is $127.
The fastest flight from Santiago to Buenos Aires takes 2h 00m
Direct flights go from Santiago to Buenos Aires every day.
There is 1 airport near Buenos Aires: Buenos Aires Ministro Pistarini (EZE)
Search flight deals

  • How far is Santiago Arturo Merino Benitez to Buenos Aires by plane?

    The distance between Santiago Arturo Merino Benitez and Buenos Aires is about 706.7 mi. 2h 00m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Santiago Arturo Merino Benitez Airport to Buenos Aires?

    Prices for flights from Santiago Arturo Merino Benitez Airport to Buenos Aires are updated daily.

  • How many operators does momondo search for flights from Santiago Arturo Merino Benitez Airport to Buenos Aires?

  • How old do you have to be to fly from Santiago Arturo Merino Benitez Airport to Buenos Aires?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Santiago Arturo Merino Benitez Airport to Buenos Aires.

  • What documentation or ID do you need to fly to Buenos Aires?

    The travel and health documents you'll need for your trip to Buenos Aires may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buenos Aires. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Santiago to Buenos Aires?

  • What is the most popular airline from Santiago to Buenos Aires?

Best airlines flying from Santiago to Buenos Aires

Compare and see reviews for airlines that fly from Santiago to Buenos Aires with momondo
Airline
Rating
Free Cancellation
Price
JetSMARTPriceFrom $62Free CancellationRating
6.6
236 reviews
Search JetSMART flights
Aerolineas ArgentinasPriceFrom $93Free CancellationRating
8.1
957 reviews
Search Aerolineas Argentinas flights
LATAM AirlinesPriceFrom $149Free CancellationRating
7.5
1,872 reviews
Search LATAM Airlines flights
Sky AirlinePriceFrom $164Free CancellationRating
0.0
0 reviews
Search Sky Airline flights
KLMPriceFrom $191Free CancellationRating
7.7
1,406 reviews
Search KLM flights

  • Aerolineas Argentinas Flights From Santiago to Buenos Aires

    Aerolineas Argentinas flies from Santiago to Buenos Aires around 15 times per week, with 957 momondo users rating the airline 8.1/10. The cheapest Aerolineas Argentinas deal from Santiago to Buenos Aires in the last 72 hours was $93 (round-trip), much lower than the average airfare cost of $248 for Aerolineas Argentinas flights on this route.

  • KLM Flights From Santiago to Buenos Aires

    KLM (7.7/10 from 1,406 reviews) operates around 6 flights from Santiago to Buenos Aires in any given week. The average KLM airfare for this route is around $218, with deals from around $191 rare but found on momondo. Referenced prices are for round-trip Santiago to Buenos Aires flight searches in the last 72 hours.

Why use momondo?

Why should I use momondo to find a flight deal from Santiago to Buenos Aires?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Santiago to Buenos Aires. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Santiago to Buenos Aires with flexible booking policies on momondo?

All flight searches from Santiago to Buenos Aires on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Santiago to Buenos Aires?

Once all potential Santiago to Buenos Aires flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Santiago to Buenos Aires right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Santiago to Buenos Aires flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 17.0 mi from Buenos Aires
Buenos Aires Jorge Newbery Airport
Buenos Aires Ministro Pistarini Airport