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Cheap flights from Santiago to Buenos Aires from $77

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
SCL — BUE
28 Aug — 4 Sep1
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 March, booked 59 days in advance, depart on a Saturday or Thursday and return on a Monday

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 29 July 2026.

Wed 9/909:09
SCL
-
AEP
Nonstop2h 11m
JetSMART
Wed 16/922:10
AEP
-
SCL
Nonstop2h 26m
JetSMART
Deal found 28/7$208
Wed 9/916:09
SCL
-
AEP
Nonstop2h 11m
Multiple Airlines
Wed 16/905:05
AEP
-
SCL
1 stop11h 36m
Multiple Airlines
Deal found 28/7$211
Wed 28/1009:09
SCL
-
AEP
Nonstop2h 11m
JetSMART
Mon 2/1105:40
AEP
-
SCL
Nonstop2h 22m
JetSMART
Deal found 26/7$215
Sat 31/1009:12
SCL
-
AEP
Nonstop2h 08m
JetSMART
Sat 31/1022:10
AEP
-
SCL
Nonstop2h 26m
JetSMART
Deal found 26/7$216
Fri 4/912:50
SCL
-
AEP
1 stop6h 45m
Multiple Airlines
Wed 23/912:10
AEP
-
SCL
Nonstop2h 28m
Multiple Airlines
Deal found 24/7$221
Fri 30/1009:09
SCL
-
AEP
Nonstop2h 11m
JetSMART
Sat 31/1022:10
AEP
-
SCL
Nonstop2h 26m
JetSMART
Deal found 26/7$226
Sun 23/808:09
SCL
-
AEP
Nonstop2h 11m
JetSMART
Sun 30/805:45
AEP
-
SCL
Nonstop2h 28m
JetSMART
Deal found 26/7$229
Fri 4/912:22
SCL
-
AEP
Nonstop2h 08m
JetSMART
Mon 7/922:10
AEP
-
SCL
Nonstop2h 26m
JetSMART
Deal found 28/7$232
Wed 2/915:09
SCL
-
AEP
Nonstop2h 11m
JetSMART
Fri 2/1005:45
AEP
-
SCL
Nonstop2h 28m
JetSMART
Deal found 28/7$234
Tue 1/908:12
SCL
-
AEP
Nonstop2h 08m
JetSMART
Mon 7/912:50
AEP
-
SCL
Nonstop2h 28m
JetSMART
Deal found 28/7$235

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 29 July 2026.

Round-trip from

$208

One-way from

$77

Popular in

January

Cheapest in

May

Average price

$292

Good one-way deal

$83 or less
JetSMART
  • JetSMART
  • 9/9-16/9
  • Nonstop
  • 4h 37m total
  • Santiago to Buenos Aires
Search Deals
JetSMART
  • JetSMART
  • 1/9
  • 1 total stop
  • 5h 07m total
  • Santiago to Buenos Aires
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($21 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 647,157 searches. Data last updated 29 July 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

Sat 5/12

22:24-00:30

Nonstop2h 06m

Buenos Aires Jorge Newbery

Wed 9/12

05:45-08:09

Nonstop2h 24m

$239

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Mon 14/9

19:12-21:20

Nonstop2h 08m

Buenos Aires Jorge Newbery

Wed 16/9

05:10-07:38

Nonstop2h 28m

$239

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sat 29/8

12:19-15:30

Nonstop2h 11m

Buenos Aires Jorge Newbery

Wed 2/9

05:10-06:38

Nonstop2h 28m

$257

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Thu 27/8

14:07-14:59

1 stop23h 52m

Buenos Aires Jorge Newbery

Sun 30/8

05:45-07:13

Nonstop2h 28m

$264

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Wed 9/9

09:09-11:20

Nonstop2h 11m

Buenos Aires Jorge Newbery

Sun 13/9

06:10-19:44

1 stop13h 34m

$287
Fastest return journey

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Fri 4/12

13:25-15:30

Nonstop2h 05m

Buenos Aires Jorge Newbery

Sun 6/12

05:45-08:09

Nonstop2h 24m

$287

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Thu 19/11

15:54-16:25

1 stop24h 31m

Buenos Aires Jorge Newbery

Mon 23/11

05:40-08:02

Nonstop2h 22m

$314

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Fri 18/12

13:25-15:30

Nonstop2h 05m

Buenos Aires Jorge Newbery

Sun 20/12

05:45-08:09

Nonstop2h 24m

$315
Cheapest one-way

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Tue 1/9

19:04-01:11

1 stop5h 07m

$77

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sun 11/10

09:09-11:20

Nonstop2h 11m

$83

Flights are sorted by cheapest return flights first.

Deals found on 28/7

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

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

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 $242). Flying from Santiago to Buenos Aires in January is currently the most expensive (average of $295). 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 29 July 2026.

It’s optimal to fly from Santiago to Buenos Aires in the afternoon. By choosing this option you can save up to 27% on the cost of your flight, compared to a flight in the evening.

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 29 July 2026.

The most flights from SCL to BUE are scheduled on a Monday (19 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).

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

Airfare is below average for this route at the moment.
Santiago to Buenos Aires flights typically cost between $232 and $357 in September.
The cheapest return price found within the last 5 days was $208 on JetSMART (9 Sept–16 Sept).

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 113 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 at night 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?

The best time to book flights from Santiago to Buenos Aires is 82 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Buenos Aires

Get insights into the airlines that provide service to Buenos Aires. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buenos Aires. Reviews last updated 29 July 2026.
Check out reviews from past customers who have flown with Aerolineas Argentinas and JetSMART from Santiago to Buenos Aires to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aerolineas Argentinas
8.1
Very Good
1,060 reviews
Check prices

Crew

8.4

Boarding

8.0

Overall

8.1

Entertainment

5.8

Comfort

7.6

Food

6.5

Reviews

1 / 8
6.0
Good

Jesica,July 2026

MIA - EZE

Arrived earlier to destiny. Inside the plane was so hot when we were boarding that we could have passed out.
Aerolineas Argentinas
8.1
Very Good
1,060 reviews
Aerolineas Argentinas
8.1
Very Good
1,060 reviews
Check prices

Crew

8.4

Boarding

8.0

Overall

8.1

Entertainment

5.8

Comfort

7.6

Food

6.5

Reviews

1 / 8
6.0
Good

Jesica,July 2026

MIA - EZE

Arrived earlier to destiny. Inside the plane was so hot when we were boarding that we could have passed out.
JetSMART
6.8
Okay
326 reviews
Aerolineas Argentinas
8.1
Very Good
1,060 reviews
Check prices

Crew

8.4

Boarding

8.0

Overall

8.1

Entertainment

5.8

Comfort

7.6

Food

6.5

Reviews

1 / 8
6.0
Good

Jesica,July 2026

MIA - EZE

Arrived earlier to destiny. Inside the plane was so hot when we were boarding that we could have passed out.

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?

    Located just 13.6 km from the city centre, Santiago Arturo Merino Benitez is the airport most travellers will use when flying to Buenos Aires from Santiago. Booking flights from Arturo Merino Benitez (SCL) to Buenos Aires should be relatively easy as there are 14 daily outbound flights to Buenos Aires from 1 airline.

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

    A quick flight from Santiago to Buenos Aires can take about 2h 08m. JetSMART provides one of the quickest options available for as low as $239. Airlines will cover a distance of 1146 km. All flights are typically direct.

  • What is the cheapest airline to fly from Santiago to Buenos Aires round-trip?

    Cheapflights users have booked flights from Santiago to Buenos Aires round-trip from $206. Users have found that Sky Airline is 23% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Santiago to Buenos Aires?

    No one likes to see their flight delayed. When booking a flight from Santiago to Buenos Aires consider choosing JetSMART(100%), Sky Airlines Peru(96%) or LATAM Airlines(89%), as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay $241 for a flight from Santiago to Buenos Aires. The cheapest flight overall is $84 while the most popular route, (Santiago Arturo Merino Benitez - Buenos Aires Jorge Newbery) is currently priced at $208.

  • 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 $242). Flying from Santiago to Buenos Aires in January is currently the most expensive (average of $295). 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

Top airline flying from Santiago to Buenos Aires

Discover the top airline that operate flights from Santiago to Buenos Aires. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 29 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Sky AirlineCheapest$206Average$412FlexibilityNo cancel feeOn-time73%
Search Sky Airline flights

Fly with Cheapflights

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

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Buenos Aires from Santiago.

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

Yes, we can. To see specific flights from Santiago to Buenos Aires with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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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