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Cheap flights from Santiago to Buenos Aires from £47

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 8/10. 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 return flights

Aerolineas Argentinas Logo
15:35 - 17:40SCL-AEP
2h 05mdirect
Aerolineas Argentinas Logo
15:40 - 18:05AEP-SCL
2h 25mdirect
£129Aerolineas Argentinas
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Fri, 27 Feb - Wed, 4 Mar
Sky Airline Logo
18:35 - 20:40SCL-AEP
2h 05mdirect
Sky Airline Logo
21:30 - 23:55AEP-SCL
2h 25mdirect
£131Sky Airline
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Thu, 4 Dec - Tue, 9 Dec
KLM Logo
12:35 - 14:35SCL-EZE
2h 00mdirect
KLM Logo
08:55 - 11:05EZE-SCL
2h 10mdirect
£143KLM
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Fri, 31 Oct - Sun, 9 Nov
KLM Logo
10:55 - 12:50SCL-EZE
1h 55mdirect
KLM Logo
07:10 - 09:25EZE-SCL
2h 15mdirect
£144KLM
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Thu, 25 Sep - Sun, 28 Sep
Logo
01:35 - 03:40SCL-AEP
2h 05mdirect
Logo
12:20 - 14:45AEP-SCL
2h 25mdirect
£146
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Thu, 26 Feb - Wed, 4 Mar
Logo
01:35 - 03:40SCL-AEP
2h 05mdirect
Logo
05:35 - 07:59AEP-SCL
2h 24mdirect
£157
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Sat, 25 Oct - Sun, 2 Nov
JetSMART Logo
16:15 - 18:20SCL-AEP
2h 05mdirect
JetSMART Logo
05:15 - 05:14AEP-SCL
23h 59m1 stop
£262JetSMART
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Thu, 4 Dec - Tue, 9 Dec
JetSMART Logo
16:15 - 18:20SCL-AEP
2h 05mdirect
JetSMART Logo
05:15 - 05:14AEP-SCL
23h 59m1 stop
£263JetSMART
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Thu, 4 Dec - Tue, 9 Dec
LATAM Airlines Logo
10:30 - 17:10SCL-AEP
6h 40m1 stop
LATAM Airlines Logo
12:40 - 02:08AEP-SCL
13h 28m2 stops
£327LATAM Airlines
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Fri, 27 Feb - Wed, 4 Mar
LATAM Airlines Logo
01:25 - 21:30SCL-AEP
20h 05m1 stop
LATAM Airlines Logo
22:30 - 00:46AEP-SCL
2h 16mdirect
£369LATAM Airlines
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Sat, 25 Oct - Sun, 2 Nov

KLM flights from Santiago to Buenos Aires

Our best KLM deals on Santiago to Buenos Aires flight tickets
KLM
22 Sept
SCL10:55Santiago Arturo Merino Benitez
1h 55m
EZE12:50Buenos Aires Ministro Pistarini
26 Sept
EZE07:10Buenos Aires Ministro Pistarini
2h 15m
SCL09:25Santiago Arturo Merino Benitez
£143
Find similar
KLM
25 Sept
SCL10:55Santiago Arturo Merino Benitez
1h 55m
EZE12:50Buenos Aires Ministro Pistarini
28 Sept
EZE07:10Buenos Aires Ministro Pistarini
2h 15m
SCL09:25Santiago Arturo Merino Benitez
£144
Find similar
KLM
25 Sept
SCL10:55Santiago Arturo Merino Benitez
1h 55m
EZE12:50Buenos Aires Ministro Pistarini
2 Oct
EZE07:10Buenos Aires Ministro Pistarini
2h 15m
SCL09:25Santiago Arturo Merino Benitez
£145
Find similar

Sky Airline flights from Santiago to Buenos Aires

Our best Sky Airline deals on Santiago to Buenos Aires flight tickets
Sky Airline
4 Dec
SCL18:35Santiago Arturo Merino Benitez
2h 05m
AEP20:40Buenos Aires Jorge Newbery
9 Dec
AEP21:30Buenos Aires Jorge Newbery
2h 25m
SCL23:55Santiago Arturo Merino Benitez
£131
Find similar
Sky Airline
4 Dec
SCL18:35Santiago Arturo Merino Benitez
2h 05m
AEP20:40Buenos Aires Jorge Newbery
9 Dec
AEP09:50Buenos Aires Jorge Newbery
2h 25m
SCL12:15Santiago Arturo Merino Benitez
£132
Find similar
Sky Airline
1 Oct
SCL01:40Santiago Arturo Merino Benitez
2h 00m
EZE03:40Buenos Aires Ministro Pistarini
5 Oct
EZE19:10Buenos Aires Ministro Pistarini
2h 30m
SCL21:40Santiago Arturo Merino Benitez
£141
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momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 12 September 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 27/2

15:35-17:40

Nonstop2h 05m

Buenos Aires Jorge Newbery

Wed 4/3

15:40-18:05

Nonstop2h 25m

£129

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Thu 4/12

18:35-20:40

Nonstop2h 05m

Buenos Aires Jorge Newbery

Tue 9/12

21:30-23:55

Nonstop2h 25m

£131

SantiagoBuenos Aires

SCL - EZE

SCLEZE

Santiago Arturo Merino Benitez

Fri 31/10

12:35-14:35

Nonstop2h 00m

Buenos Aires Ministro Pistarini

Sun 9/11

08:55-11:05

Nonstop2h 10m

£143

SantiagoBuenos Aires

SCL - EZE

SCLEZE

Santiago Arturo Merino Benitez

Thu 25/9

10:55-12:50

Nonstop1h 55m

Buenos Aires Ministro Pistarini

Sun 28/9

07:10-09:25

Nonstop2h 15m

£144

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Thu 26/2

01:35-03:40

Nonstop2h 05m

Buenos Aires Jorge Newbery

Wed 4/3

12:20-14:45

Nonstop2h 25m

£146

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sat 25/10

01:35-03:40

Nonstop2h 05m

Buenos Aires Jorge Newbery

Sun 2/11

05:35-07:59

Nonstop2h 24m

£157

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Thu 4/12

16:15-18:20

Nonstop2h 05m

Buenos Aires Jorge Newbery

Tue 9/12

05:15-05:14

1 stop23h 59m

£262

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Thu 4/12

16:15-18:20

Nonstop2h 05m

Buenos Aires Jorge Newbery

Tue 9/12

05:15-05:14

1 stop23h 59m

£263

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Fri 27/2

10:30-17:10

1 stop6h 40m

Buenos Aires Jorge Newbery

Wed 4/3

12:40-02:08

2 stops13h 28m

£327

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sat 25/10

01:25-21:30

1 stop20h 05m

Buenos Aires Jorge Newbery

Sun 2/11

22:30-00:46

Nonstop2h 16m

£369

Flights are sorted by cheapest return 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?

In general, May is the cheapest month to fly from Santiago to Buenos Aires. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £117. If you don’t want to visit Buenos Aires in May, then you should wait until June to fly from Santiago, when ticket prices are also cheap, with an average price of £117.

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

The cheapest day to depart on your flight to Buenos Aires is on a Monday when prices can be found for as low as £138. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Santiago because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £200.

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 in the evening. Flights from Santiago to Buenos Aires during this time can be as low as £139. Flights to Buenos Aires are more costly in the morning, with an average ticket price of £180. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 £157 when searching weeks before you fly. 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 £132 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.

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

As of September 2025, prices for Santiago to Buenos Aires flights are approximately 19% 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 return 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

£59

Fastest flight time

1h 55m

Direct flights

Every day

Airports in Buenos Aires

2 airports
The best one-way flight to Buenos Aires from Santiago in the past 72 hours is £59. The best return flight deal from Santiago to Buenos Aires found on momondo in the last 72 hours is £147.
The fastest flight from Santiago to Buenos Aires takes 1h 55m
Direct flights go from Santiago to Buenos Aires every day.
There are 2 airports near Buenos Aires: Buenos Aires Ministro Pistarini (EZE), Buenos Aires Jorge Newbery (AEP)
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  • How far is Santiago Arturo Merino Benitez to Buenos Aires by plane?

    Buenos Aires is 706.7 mi away from Santiago Arturo Merino Benitez. Flights usually cover this in 1h 55m, depending on flying conditions and air traffic around both airports.

  • 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 refresh daily.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Santiago Arturo Merino Benitez Airport to Buenos Aires.

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

    The necessary travel and health documents for your Buenos Aires trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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?

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Santiago to Buenos Aires. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Buenos Aires from Santiago on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Santiago to Buenos Aires flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Buenos Aires from Santiago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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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