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Cheap flights from Santiago to Buenos Aires from £42

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
SCL — BUE
19 Apr — 26 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Santiago Arturo Merino Benitez to Buenos Aires are usually found in May or June, booked 56 days in advance, depart on a Friday or Wednesday and return on a Tuesday

Cheap flight deals from Santiago to Buenos Aires

Enter your travel dates to find the best prices.

Cheapest flights from Santiago to Buenos Aires
Explore the most affordable flight options available from Santiago to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 March 2026.

Wed 8/408:12
SCL
-
AEP
Nonstop2h 08m
JetSMART
Sat 11/422:10
AEP
-
SCL
Nonstop2h 26m
JetSMART
Deal found 16/3£104
Wed 8/408:12
SCL
-
AEP
Nonstop2h 08m
Multiple Airlines
Sat 11/418:45
AEP
-
SCL
1 stop4h 19m
Multiple Airlines
Deal found 16/3£116
Fri 1/512:22
SCL
-
AEP
Nonstop2h 08m
Multiple Airlines
Fri 8/507:20
AEP
-
SCL
1 stop15h 44m
Multiple Airlines
Deal found 17/3£123
Wed 29/408:12
SCL
-
AEP
Nonstop2h 08m
Multiple Airlines
Wed 6/507:00
AEP
-
SCL
1 stop11h 09m
Multiple Airlines
Deal found 15/3£124
Mon 13/415:12
SCL
-
AEP
Nonstop2h 08m
JetSMART
Mon 20/405:45
AEP
-
SCL
Nonstop2h 26m
JetSMART
Deal found 16/3£127
Sun 29/304:50
SCL
-
EZE
Nonstop2h 10m
Multiple Airlines
Tue 31/306:40
EZE
-
SCL
Nonstop2h 25m
Multiple Airlines
Deal found 19/3£128
Tue 7/418:12
SCL
-
AEP
Nonstop2h 08m
JetSMART
Fri 10/405:45
AEP
-
SCL
Nonstop2h 26m
JetSMART
Deal found 15/3£128
Mon 13/418:12
SCL
-
AEP
Nonstop2h 08m
JetSMART
Wed 15/412:15
AEP
-
SCL
Nonstop2h 26m
JetSMART
Deal found 16/3£128
Tue 21/418:12
SCL
-
AEP
Nonstop2h 08m
JetSMART
Sat 25/405:45
AEP
-
SCL
Nonstop2h 26m
JetSMART
Deal found 15/3£131
Sat 8/803:55
SCL
-
EZE
Nonstop2h 05m
Sky Airline
Sun 16/819:30
EZE
-
SCL
Nonstop2h 30m
Sky Airline
Deal found 19/3£131
Sat 28/301:35
SCL
-
AEP
Nonstop2h 05m
Sky Airline
Tue 31/321:30
AEP
-
SCL
Nonstop2h 25m
Sky Airline
Deal found 19/3£131
Sat 11/412:22
SCL
-
AEP
Nonstop2h 08m
JetSMART
Sun 19/405:45
AEP
-
SCL
Nonstop2h 26m
JetSMART
Deal found 15/3£132

Find flight deals from Santiago to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Santiago (SCL) to Buenos Aires (BUE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 20 March 2026.

Round-trip from

£104

One-way from

£42

Popular in

January

Cheapest in

May

Average price

£128

Good one-way deal

£87 or less
JetSMART
  • JetSMART
  • 8/4-11/4
  • Nonstop
  • 4h 34m total
  • Santiago to Buenos Aires
Search Deals
Aerolineas Argentinas
  • Aerolineas Argentinas
  • 10/8
  • Nonstop
  • 2h 05m total
  • Santiago to Buenos Aires
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£8 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a one-way flight from Santiago Arturo Merino Benitez to Buenos Aires (BUE).
Search Deals

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 20 March 2026.
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

Cheapest return flight

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sun 19/4

12:22-15:30

Nonstop2h 08m

Buenos Aires Jorge Newbery

Thu 23/4

05:45-07:11

Nonstop2h 26m

£128

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Thu 16/4

15:12-18:20

Nonstop2h 08m

Buenos Aires Jorge Newbery

Wed 29/4

05:15-06:41

Nonstop2h 26m

£128

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Thu 2/7

15:12-18:20

Nonstop2h 08m

Buenos Aires Jorge Newbery

Sun 5/7

22:10-23:36

Nonstop2h 26m

£128

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Wed 5/8

08:15-11:20

Nonstop2h 05m

Buenos Aires Jorge Newbery

Wed 12/8

12:50-14:14

Nonstop2h 24m

£128

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Tue 21/4

18:12-21:20

Nonstop2h 08m

Buenos Aires Jorge Newbery

Sat 25/4

05:45-07:11

Nonstop2h 26m

£131

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Thu 6/8

18:14-21:20

Nonstop2h 06m

Buenos Aires Jorge Newbery

Sun 9/8

05:45-07:13

Nonstop2h 28m

£136

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Thu 11/6

15:12-18:20

Nonstop2h 08m

Buenos Aires Jorge Newbery

Sun 14/6

22:10-23:36

Nonstop2h 26m

£137

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Thu 16/4

08:12-11:20

Nonstop2h 08m

Buenos Aires Jorge Newbery

Sun 19/4

05:45-07:11

Nonstop2h 26m

£137

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Thu 23/4

08:12-11:20

Nonstop2h 08m

Buenos Aires Jorge Newbery

Fri 1/5

05:45-07:11

Nonstop2h 26m

£138

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sun 28/6

12:22-15:30

Nonstop2h 08m

Buenos Aires Jorge Newbery

Wed 8/7

22:10-23:36

Nonstop2h 26m

£140

Flights are sorted by cheapest return flights first.

Deals found on 15/3

Showing 1-10 of 43 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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a return flight from Santiago to Buenos Aires. Price data was last updated on 13 March 2026.

To ensure you get the cheapest price possible for a flight from Santiago to Buenos Aires, you should look to book at least 56 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.

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

Currently, May is the cheapest month in which you can book a flight from Santiago to Buenos Aires (average of £38). Flying from Santiago to Buenos Aires in January is currently the most expensive (average of £85). 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?

Find hourly flight availability from Santiago to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 March 2026.

It’s optimal to fly from Santiago to Buenos Aires in the evening. By choosing this option you can save up to 36% on the cost of your flight, compared to a flight in the morning.

Weekly flight availability from Santiago to Buenos Aires

Explore weekly flight availability from Santiago to Buenos Aires. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 20 March 2026.

The most flights from SCL to BUE are scheduled on a Thursday (21 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (10 on average).

How often are flights from Santiago to Buenos Aires delayed?

About 11% of weekly flights between Santiago and Buenos Aires have experienced delays in the past year, with the average delay time being 112 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?

Saturday 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 8% of flights being delayed.

Related info for your journey

Find useful and relevant information for your journey from Santiago to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 13 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 £157, 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: Sky Airline (89%), Sky Airlines Peru (89%), JetSMART( 84%).

  • What are the cheapest flights from Santiago to Buenos Aires?

    Looking at all options, your cheapest flight can be booked for £92. While the most popular route (Santiago Arturo Merino Benitez - Buenos Aires Jorge Newbery) can be booked for £295 on average, our data indicates £112 when flying from Santiago to Buenos Aires.

  • 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, May is the cheapest month in which you can book a flight from Santiago to Buenos Aires (average of £38). Flying from Santiago to Buenos Aires in January is currently the most expensive (average of £85). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Santiago to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
Santiago to Jorge Newbery flights
Santiago to Ministro Pistarini flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Santiago to Buenos Aires?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Santiago to Buenos Aires. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Santiago to Buenos Aires?

Cheapflights helps you find that perfect flight to Buenos Aires from Santiago by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Santiago to Buenos Aires with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Santiago to Buenos Aires flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Santiago to Buenos Aires become cheaper?

Yes, Cheapflights offers price alerts on Santiago to Buenos Aires flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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