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Cheap flights from Santiago to Buenos Aires from £43

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 22/10. 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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Aerolineas Argentinas Logo
21:50 - 23:55SCL-AEP
2h 05mdirect
Aerolineas Argentinas Logo
15:10 - 17:35AEP-SCL
2h 25mdirect
£123Aerolineas Argentinas
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Mon, 8 Sep - Mon, 15 Sep
Logo
16:31 - 00:59SCL-EZE
8h 28m1 stop
Logo
05:35 - 07:58EZE-SCL
2h 23mdirect
£124
Find Deal
Mon, 8 Sep - Mon, 15 Sep
Logo
01:35 - 03:40SCL-AEP
2h 05mdirect
Logo
15:10 - 17:35AEP-SCL
2h 25mdirect
£125
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Sun, 7 Sep - Mon, 15 Sep
Sky Airline Logo
01:40 - 03:40SCL-EZE
2h 00mdirect
Sky Airline Logo
19:10 - 21:40EZE-SCL
2h 30mdirect
£136Sky Airline
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Wed, 8 Oct - Wed, 15 Oct
Sky Airline Logo
01:35 - 03:40SCL-AEP
2h 05mdirect
Sky Airline Logo
21:55 - 00:25AEP-SCL
2h 30mdirect
£136Sky Airline
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Thu, 2 Oct - Mon, 6 Oct
Sky Airline Logo
04:00 - 07:00SCL-EZE
2h 00mdirect
Sky Airline Logo
19:20 - 21:50EZE-SCL
2h 30mdirect
£137Sky Airline
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Wed, 3 Sep - Sun, 7 Sep
LATAM Airlines Logo
15:11 - 17:11SCL-EZE
2h 00mdirect
LATAM Airlines Logo
05:35 - 07:58EZE-SCL
2h 23mdirect
£149LATAM Airlines
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Mon, 8 Sep - Mon, 15 Sep
LATAM Airlines Logo
15:11 - 17:11SCL-EZE
2h 00mdirect
LATAM Airlines Logo
12:48 - 15:11EZE-SCL
2h 23mdirect
£154LATAM Airlines
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Mon, 8 Sep - Fri, 12 Sep
KLM Logo
09:40 - 12:35SCL-EZE
1h 55mdirect
KLM Logo
07:10 - 08:25EZE-SCL
2h 15mdirect
£182KLM
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Wed, 13 Aug - Sun, 17 Aug
KLM Logo
10:55 - 12:50SCL-EZE
1h 55mdirect
KLM Logo
07:10 - 09:25EZE-SCL
2h 15mdirect
£183KLM
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Sat, 13 Sep - Fri, 19 Sep

Sky Airline flights from Santiago to Buenos Aires

Our best Sky Airline deals on Santiago to Buenos Aires flight tickets
Sky Airline
8 Oct
SCL01:40Santiago Arturo Merino Benitez
2h 00m
EZE03:40Buenos Aires Ministro Pistarini
15 Oct
EZE19:10Buenos Aires Ministro Pistarini
2h 30m
SCL21:40Santiago Arturo Merino Benitez
£136
Find similar
Sky Airline
3 Sept
SCL04:00Santiago Arturo Merino Benitez
2h 00m
EZE07:00Buenos Aires Ministro Pistarini
7 Sept
EZE19:20Buenos Aires Ministro Pistarini
2h 30m
SCL21:50Santiago Arturo Merino Benitez
£137
Find similar
Sky Airline
3 Sept
SCL00:40Santiago Arturo Merino Benitez
2h 00m
EZE03:40Buenos Aires Ministro Pistarini
7 Sept
EZE19:20Buenos Aires Ministro Pistarini
2h 30m
SCL21:50Santiago Arturo Merino Benitez
£137
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KLM flights from Santiago to Buenos Aires

Our best KLM deals on Santiago to Buenos Aires flight tickets
KLM
13 Aug
SCL09:40Santiago Arturo Merino Benitez
1h 55m
EZE12:35Buenos Aires Ministro Pistarini
17 Aug
EZE07:10Buenos Aires Ministro Pistarini
2h 15m
SCL08:25Santiago Arturo Merino Benitez
£182
Find similar
KLM
13 Aug
SCL09:40Santiago Arturo Merino Benitez
1h 55m
EZE12:35Buenos Aires Ministro Pistarini
17 Aug
EZE07:10Buenos Aires Ministro Pistarini
2h 15m
SCL08:25Santiago Arturo Merino Benitez
£183
Find similar
KLM
21 Dec
SCL12:35Santiago Arturo Merino Benitez
2h 00m
EZE14:35Buenos Aires Ministro Pistarini
27 Dec
EZE08:55Buenos Aires Ministro Pistarini
2h 10m
SCL11:05Santiago Arturo Merino Benitez
£184
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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 31 July 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

Mon 8/9

21:50-23:55

Nonstop2h 05m

Buenos Aires Jorge Newbery

Mon 15/9

15:10-17:35

Nonstop2h 25m

£123

SantiagoBuenos Aires

SCL - EZE

SCLEZE

Santiago Arturo Merino Benitez

Mon 8/9

16:31-00:59

1 stop8h 28m

Buenos Aires Ministro Pistarini

Mon 15/9

05:35-07:58

Nonstop2h 23m

£124

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sun 7/9

01:35-03:40

Nonstop2h 05m

Buenos Aires Jorge Newbery

Mon 15/9

15:10-17:35

Nonstop2h 25m

£125

SantiagoBuenos Aires

SCL - EZE

SCLEZE

Santiago Arturo Merino Benitez

Wed 8/10

01:40-03:40

Nonstop2h 00m

Buenos Aires Ministro Pistarini

Wed 15/10

19:10-21:40

Nonstop2h 30m

£136

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Thu 2/10

01:35-03:40

Nonstop2h 05m

Buenos Aires Jorge Newbery

Mon 6/10

21:55-00:25

Nonstop2h 30m

£136

SantiagoBuenos Aires

SCL - EZE

SCLEZE

Santiago Arturo Merino Benitez

Wed 3/9

04:00-07:00

Nonstop2h 00m

Buenos Aires Ministro Pistarini

Sun 7/9

19:20-21:50

Nonstop2h 30m

£137

SantiagoBuenos Aires

SCL - EZE

SCLEZE

Santiago Arturo Merino Benitez

Mon 8/9

15:11-17:11

Nonstop2h 00m

Buenos Aires Ministro Pistarini

Mon 15/9

05:35-07:58

Nonstop2h 23m

£149

SantiagoBuenos Aires

SCL - EZE

SCLEZE

Santiago Arturo Merino Benitez

Mon 8/9

15:11-17:11

Nonstop2h 00m

Buenos Aires Ministro Pistarini

Fri 12/9

12:48-15:11

Nonstop2h 23m

£154

SantiagoBuenos Aires

SCL - EZE

SCLEZE

Santiago Arturo Merino Benitez

Wed 13/8

09:40-12:35

Nonstop1h 55m

Buenos Aires Ministro Pistarini

Sun 17/8

07:10-08:25

Nonstop2h 15m

£182

SantiagoBuenos Aires

SCL - EZE

SCLEZE

Santiago Arturo Merino Benitez

Sat 13/9

10:55-12:50

Nonstop1h 55m

Buenos Aires Ministro Pistarini

Fri 19/9

07:10-09:25

Nonstop2h 15m

£183

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 £119. 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 £119.

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 £140. 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 £199.

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 £115. Flights to Buenos Aires are more costly in the morning, with an average ticket price of £184. 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 Ministro Pistarini 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 £158 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 £134 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 July 2025, prices for Santiago to Buenos Aires flights are approximately 6% 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

£43

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 £43. The best return flight deal from Santiago to Buenos Aires found on momondo in the last 72 hours is £123.
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?

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