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Cheap flights from Santiago to Buenos Aires from $59

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 12/28. 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

Enter your travel dates to find the best prices.
JetSMART Logo
3:10 pm - 10:46 pmSCL-AEP
7h 36m1 stop
JetSMART Logo
10:10 pm - 12:35 amAEP-SCL
2h 25mnonstop
$136JetSMART
Find Deal
Sat, Dec 13 - Sat, Dec 20
JetSMART Logo
4:35 pm - 6:40 pmSCL-AEP
2h 05mnonstop
JetSMART Logo
7:06 pm - 9:30 pmAEP-SCL
2h 24mnonstop
$137JetSMART
Find Deal
Sun, Dec 14 - Thu, Dec 18
JetSMART Logo
9:15 am - 11:20 amSCL-AEP
2h 05mnonstop
JetSMART Logo
7:06 pm - 9:30 pmAEP-SCL
2h 24mnonstop
$140JetSMART
Find Deal
Sun, Dec 7 - Thu, Dec 11
JetSMART Logo
9:15 am - 11:20 amSCL-AEP
2h 05mnonstop
JetSMART Logo
7:06 pm - 9:30 pmAEP-SCL
2h 24mnonstop
$141JetSMART
Find Deal
Sun, Dec 7 - Thu, Dec 11
JetSMART Logo
9:15 am - 11:20 amSCL-AEP
2h 05mnonstop
JetSMART Logo
10:10 pm - 12:35 amAEP-SCL
2h 25mnonstop
$143JetSMART
Find Deal
Sat, Dec 13 - Sat, Dec 20
JetSMART Logo
7:15 pm - 9:20 pmSCL-AEP
2h 05mnonstop
JetSMART Logo
5:45 am - 8:09 amAEP-SCL
2h 24mnonstop
$145JetSMART
Find Deal
Wed, Feb 4 - Mon, Mar 2
JetSMART Logo
7:15 pm - 9:20 pmSCL-AEP
2h 05mnonstop
JetSMART Logo
10:10 pm - 12:35 amAEP-SCL
2h 25mnonstop
$159JetSMART
Find Deal
Wed, Feb 4 - Sat, Feb 28
Multiple Airlines Logo
3:35 pm - 5:40 pmSCL-AEP
2h 05mnonstop
Multiple Airlines Logo
9:30 am - 11:55 amAEP-SCL
2h 25mnonstop
$160Multiple Airlines
Find Deal
Thu, Feb 5 - Mon, Mar 2
JetSMART Logo
1:25 pm - 3:30 pmSCL-AEP
2h 05mnonstop
JetSMART Logo
9:30 am - 11:55 amAEP-SCL
2h 25mnonstop
$165JetSMART
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Fri, Jan 30 - Mon, Mar 2
LATAM Airlines Logo
6:42 pm - 8:45 pmSCL-EZE
2h 03mnonstop
LATAM Airlines Logo
7:43 pm - 9:59 pmEZE-SCL
2h 16mnonstop
$178LATAM Airlines
Find Deal
Fri, Dec 12 - Mon, Dec 15

Aerolineas Argentinas flights from Santiago to Buenos Aires

Our best Aerolineas Argentinas deals on Santiago to Buenos Aires flight tickets
Aerolineas Argentinas
Mar 14
SCL6:55 pmSantiago Arturo Merino Benitez
2h 05m
EZE9:00 pmBuenos Aires Ministro Pistarini
Mar 17
EZE7:00 amBuenos Aires Ministro Pistarini
2h 25m
SCL9:25 amSantiago Arturo Merino Benitez
$171
Find similar
Aerolineas Argentinas
Jan 31
SCL6:55 pmSantiago Arturo Merino Benitez
2h 05m
EZE9:00 pmBuenos Aires Ministro Pistarini
Mar 1
EZE7:00 amBuenos Aires Ministro Pistarini
2h 25m
SCL9:25 amSantiago Arturo Merino Benitez
$188
Find similar
Aerolineas Argentinas
Feb 4
SCL6:55 pmSantiago Arturo Merino Benitez
2h 05m
EZE9:00 pmBuenos Aires Ministro Pistarini
Mar 3
EZE7:00 amBuenos Aires Ministro Pistarini
2h 25m
SCL9:25 amSantiago Arturo Merino Benitez
$199
Find similar

LATAM Airlines flights from Santiago to Buenos Aires

Our best LATAM Airlines deals on Santiago to Buenos Aires flight tickets
LATAM Airlines
Dec 7
SCL4:40 pmSantiago Arturo Merino Benitez
2h 03m
EZE6:43 pmBuenos Aires Ministro Pistarini
Dec 11
EZE7:43 pmBuenos Aires Ministro Pistarini
2h 16m
SCL9:59 pmSantiago Arturo Merino Benitez
$219
Find similar
LATAM Airlines
Nov 23
SCL8:25 amSantiago Arturo Merino Benitez
2h 05m
AEP10:30 amBuenos Aires Jorge Newbery
Nov 23
AEP10:30 pmBuenos Aires Jorge Newbery
2h 16m
SCL12:46 amSantiago Arturo Merino Benitez
$381
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 November 17, 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

Sat 12/13

3:10 pm-10:46 pm

1 stop7h 36m

Buenos Aires Jorge Newbery

Sat 12/20

10:10 pm-12:35 am

Nonstop2h 25m

$136

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sun 12/14

4:35 pm-6:40 pm

Nonstop2h 05m

Buenos Aires Jorge Newbery

Thu 12/18

7:06 pm-9:30 pm

Nonstop2h 24m

$137

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sun 12/7

9:15 am-11:20 am

Nonstop2h 05m

Buenos Aires Jorge Newbery

Thu 12/11

7:06 pm-9:30 pm

Nonstop2h 24m

$140

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sun 12/7

9:15 am-11:20 am

Nonstop2h 05m

Buenos Aires Jorge Newbery

Thu 12/11

7:06 pm-9:30 pm

Nonstop2h 24m

$141

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sat 12/13

9:15 am-11:20 am

Nonstop2h 05m

Buenos Aires Jorge Newbery

Sat 12/20

10:10 pm-12:35 am

Nonstop2h 25m

$143

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Wed 2/4

7:15 pm-9:20 pm

Nonstop2h 05m

Buenos Aires Jorge Newbery

Mon 3/2

5:45 am-8:09 am

Nonstop2h 24m

$145

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Wed 2/4

7:15 pm-9:20 pm

Nonstop2h 05m

Buenos Aires Jorge Newbery

Sat 2/28

10:10 pm-12:35 am

Nonstop2h 25m

$159

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Thu 2/5

3:35 pm-5:40 pm

Nonstop2h 05m

Buenos Aires Jorge Newbery

Mon 3/2

9:30 am-11:55 am

Nonstop2h 25m

$160

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Fri 1/30

1:25 pm-3:30 pm

Nonstop2h 05m

Buenos Aires Jorge Newbery

Mon 3/2

9:30 am-11:55 am

Nonstop2h 25m

$165

SantiagoBuenos Aires

SCL - EZE

SCLEZE

Santiago Arturo Merino Benitez

Fri 12/12

6:42 pm-8:45 pm

Nonstop2h 03m

Buenos Aires Ministro Pistarini

Mon 12/15

7:43 pm-9:59 pm

Nonstop2h 16m

$178

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 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 $194. 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 $232. 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 $220 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 November 2025, prices for Santiago to Buenos Aires flights are approximately 14% 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 $81.
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
242 reviews
Search JetSMART flights
Aerolineas ArgentinasPriceFrom $93Free CancellationRating
8.0
962 reviews
Search Aerolineas Argentinas flights
LATAM AirlinesPriceFrom $149Free CancellationRating
7.5
1,877 reviews
Search LATAM Airlines flights
Sky AirlinePriceFrom $164Free CancellationRating
0.0
0 reviews
Search Sky Airline flights
KLMPriceFrom $191Free CancellationRating
7.7
1,411 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 962 momondo users rating the airline 8.0/10. 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 1,411 reviews) operates around 7 flights from Santiago to Buenos Aires in any given week. The average KLM airfare for this route is around $212, 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