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Cheap flights from Santiago to Buenos Aires from £40

SCL — BUE
14 Nov — 21 Nov1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Santiago Arturo Merino Benitez to Buenos Aires are usually found in March or May, booked 83 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap flight deals from Santiago to Buenos Aires

Enter your travel dates to find the best prices.

Cheapest flights from Santiago to Buenos Aires

Wed 2/1209:13 -
Nonstop2h 07m
Wed 2/1222:10 -
Nonstop2h 22m
Deal found 11/10£123
Thu 10/1216:13 -
Nonstop2h 07m
Mon 14/1223:55 -
Nonstop2h 22m
Deal found 10/10£126
Sat 21/1119:13 -
Nonstop2h 07m
Sat 28/1122:10 -
Nonstop2h 22m
Deal found 12/10£126
Tue 1/1209:13 -
Nonstop2h 07m
Wed 2/1222:10 -
Nonstop2h 22m
Deal found 10/10£129
Sat 21/1119:54 -
1 stop3h 52m
Tue 24/1112:20 -
Nonstop2h 22m
Deal found 10/10£133
Sat 28/1119:13 -
Nonstop2h 07m
Wed 2/1222:10 -
Nonstop2h 22m
Deal found 10/10£135
Thu 10/1215:54 -
1 stop7h 18m
Sun 13/1205:45 -
Nonstop2h 22m
Deal found 10/10£150
Tue 22/1209:13 -
Nonstop2h 07m
Mon 25/119:20 -
Nonstop2h 22m
Deal found 12/10£153
Sat 5/1219:54 -
1 stop25h 05m
Wed 9/1222:10 -
Nonstop2h 22m
Deal found 11/10£154
Mon 7/1221:01 -
Nonstop2h 07m
Mon 14/1223:55 -
Nonstop2h 22m
Deal found 11/10£156
Fri 11/1213:23 -
Nonstop2h 07m
Tue 15/1205:45 -
Nonstop2h 22m
Deal found 10/10£156
Mon 9/1119:54 -
1 stop15h 30m
Sat 14/1122:10 -
Nonstop2h 22m
Deal found 10/10£158

Find flight deals from Santiago to Buenos Aires

Round-trip from

£123

One-way from

£40

Popular in

July

Cheapest in

March

Average price

£144

Good round-trip deal

£169 or less
JetSMART
  • JetSMART
  • 2/12-2/12
  • Nonstop
  • 4h 29m total
  • Santiago to Buenos Aires
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JetSMART
  • JetSMART
  • 12/1-31/12
  • Nonstop
  • 2h 07m total
  • Santiago to Buenos Aires
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£3 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£2 potential savings vs. average return price).
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Average for round-trip flights in October 2026
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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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Cheapflights Fare Finder

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

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Fly to

Route

Depart

Return

Price

Cheapest return flight

SantiagoBuenos Aires

SCL Santiago Arturo Merino Benitez - EZE Buenos Aires Ministro Pistarini

SCLEZE

Santiago Arturo Merino Benitez

Thu 10/12

16:13-18:20

Nonstop2h 07m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-00:00

Nonstop0h 00m

£43

SantiagoBuenos Aires

SCL Santiago Arturo Merino Benitez - AEP Buenos Aires Jorge Newbery

SCLAEP

Santiago Arturo Merino Benitez

Wed 16/12

09:13-11:20

Nonstop2h 07m

Buenos Aires Jorge Newbery

Wed 31/12

00:00-00:00

Nonstop0h 00m

£44

SantiagoBuenos Aires

SCL Santiago Arturo Merino Benitez - AEP Buenos Aires Jorge Newbery

SCLAEP

Santiago Arturo Merino Benitez

Thu 28/1

13:23-15:30

Nonstop2h 07m

Buenos Aires Jorge Newbery

Wed 31/12

00:00-00:00

Nonstop0h 00m

£44

SantiagoBuenos Aires

SCL Santiago Arturo Merino Benitez - AEP Buenos Aires Jorge Newbery

SCLAEP

Santiago Arturo Merino Benitez

Fri 18/12

13:23-15:30

Nonstop2h 07m

Buenos Aires Jorge Newbery

Wed 31/12

00:00-00:00

Nonstop0h 00m

£44

SantiagoBuenos Aires

SCL Santiago Arturo Merino Benitez - AEP Buenos Aires Jorge Newbery

SCLAEP

Santiago Arturo Merino Benitez

Tue 1/12

09:13-11:20

Nonstop2h 07m

Buenos Aires Jorge Newbery

Wed 31/12

00:00-00:00

Nonstop0h 00m

£44

SantiagoBuenos Aires

SCL Santiago Arturo Merino Benitez - AEP Buenos Aires Jorge Newbery

SCLAEP

Santiago Arturo Merino Benitez

Fri 5/2

07:23-09:30

Nonstop2h 07m

Buenos Aires Jorge Newbery

Wed 31/12

00:00-00:00

Nonstop0h 00m

£45

SantiagoBuenos Aires

SCL Santiago Arturo Merino Benitez - AEP Buenos Aires Jorge Newbery

SCLAEP

Santiago Arturo Merino Benitez

Thu 24/12

16:13-18:20

Nonstop2h 07m

Buenos Aires Jorge Newbery

Wed 31/12

00:00-00:00

Nonstop0h 00m

£45

SantiagoBuenos Aires

SCL Santiago Arturo Merino Benitez - AEP Buenos Aires Jorge Newbery

SCLAEP

Santiago Arturo Merino Benitez

Wed 23/12

09:13-11:20

Nonstop2h 07m

Buenos Aires Jorge Newbery

Wed 31/12

00:00-00:00

Nonstop0h 00m

£71

SantiagoBuenos Aires

SCL Santiago Arturo Merino Benitez - AEP Buenos Aires Jorge Newbery

SCLAEP

Santiago Arturo Merino Benitez

Mon 4/1

07:23-09:30

Nonstop2h 07m

Buenos Aires Jorge Newbery

Wed 31/12

00:00-00:00

Nonstop0h 00m

£73

SantiagoBuenos Aires

SCL Santiago Arturo Merino Benitez - AEP Buenos Aires Jorge Newbery

SCLAEP

Santiago Arturo Merino Benitez

Thu 3/12

16:13-18:20

Nonstop2h 07m

Buenos Aires Jorge Newbery

Wed 31/12

00:00-00:00

Nonstop0h 00m

£76

Flights are sorted by cheapest return flights first.

Deals found on 10/10

Showing 1-10 of 42 resultsSorted by cheapest first
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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 return price

Cheapflights Insights

Everything you need to know about your flight from Santiago to Buenos Aires

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

Currently, March is the cheapest month in which you can book a flight from Santiago to Buenos Aires (average of £128). Flying from Santiago to Buenos Aires in July is currently the most expensive (average of £156). 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?

It’s optimal to fly from Santiago to Buenos Aires in the afternoon. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight in the morning.

Weekly flight availability from Santiago to Buenos Aires

The most flights from SCL to BUE are scheduled on a Monday (29 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).

How much does it cost for a return flight from Santiago to Buenos Aires?

Airfare is typical for this route at the moment.
Santiago to Buenos Aires flights typically cost between £119 and £177 in December.
The cheapest return price found within the last 5 days was £123 on JetSMART (2 Dec–2 Dec).

How often are flights from Santiago to Buenos Aires delayed?

About 10% of weekly flights between Santiago and Buenos Aires have experienced delays in the past year, with the average delay time being 111 minutes.

What is the most punctual flight time for Santiago to Buenos Aires flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Santiago to Buenos Aires flights?

Over the past year, Sky Airline have had the lowest number of delays on this route, with just 6% of flights being delayed.

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

To ensure you get the cheapest price possible for a flight from Santiago to Buenos Aires, you should look to book at least 88 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Buenos Aires

Read reviews from past customers who have flown with LATAM Airlines from Santiago to Buenos Aires. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
LATAM Airlines
7.4
Good
1,972 reviews
Check prices

Boarding

7.5

Crew

8.0

Comfort

7.3

Food

6.7

Entertainment

7.0

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2026

GRU - JNB

No communication from captain about the delay long waiting time. Shitty airline with incompetent employees especially employees from Brazil.
LATAM Airlines
7.4
Good
1,972 reviews
LATAM Airlines
7.4
Good
1,972 reviews
Check prices

Boarding

7.5

Crew

8.0

Comfort

7.3

Food

6.7

Entertainment

7.0

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2026

GRU - JNB

No communication from captain about the delay long waiting time. Shitty airline with incompetent employees especially employees from Brazil.

Related info for your journey

  • What airport do you fly from for flights from Santiago to Buenos Aires?

    Most people fly from Santiago Arturo Merino Benitez (SCL) if they book a flight from Santiago to Buenos Aires. On average, Arturo Merino Benitez has 18 outbound flights to Buenos Aires per day from 0 airlines. Santiago Arturo Merino Benitez is conveniently located just 8.4 mi from Santiago’s city center.

  • How long is the flight from Santiago to Buenos Aires?

    For as low as £198, JetSMART can have you in Buenos Aires from Santiago in 2h. Santiago and Buenos Aires are separated by a distance of 707 mi. All flights are typically direct.

  • 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%), Sky Airlines Peru (96%), KLM( 95%).

  • 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 holiday 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, March is the cheapest month in which you can book a flight from Santiago to Buenos Aires (average of £128). Flying from Santiago to Buenos Aires in July is currently the most expensive (average of £156). 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

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Alternative routes for Santiago to Buenos Aires

Santiago to Jorge Newbery flights
Santiago to Ministro Pistarini flights

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