Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Santiago to Buenos Aires from $107

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 29/11. Fares are subject to change and may not be available on all flights or dates of travel.
SCL — BUE
30 Nov — 7 Dec1
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 63 days in advance, depart on a Saturday or Wednesday and return on a Tuesday

Find 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 31 October 2025.

Sat 29/1107:10SCL - AEP
1 stop15h 35mJetSMART
Tue 2/1205:45AEP - SCL
Nonstop2h 24mJetSMART
Deal found 30/10$311
Fri 28/1120:30SCL - AEP
1 stop26h 15mJetSMART
Mon 1/1205:45AEP - SCL
Nonstop2h 24mJetSMART
Deal found 29/10$315
Fri 12/1220:30SCL - AEP
1 stop26h 16mJetSMART
Tue 16/1212:50AEP - SCL
Nonstop2h 24mJetSMART
Deal found 29/10$318
Thu 20/1122:25SCL - AEP
Nonstop2h 05mJetSMART
Mon 24/1105:45AEP - SCL
Nonstop2h 24mJetSMART
Deal found 30/10$323
Tue 9/1221:40SCL - AEP
Nonstop2h 05mAerolineas Argentinas
Mon 12/112:00AEP - SCL
Nonstop2h 25mAerolineas Argentinas
Deal found 29/10$324
Sat 29/1107:10SCL - AEP
1 stop18h 08mJetSMART
Fri 5/1216:30AEP - SCL
Nonstop2h 25mJetSMART
Deal found 30/10$326
Wed 19/1116:35SCL - AEP
Nonstop2h 05mJetSMART
Mon 24/1105:45AEP - SCL
Nonstop2h 24mJetSMART
Deal found 29/10$329
Thu 20/1122:25SCL - AEP
Nonstop2h 05mJetSMART
Sun 23/1105:35AEP - SCL
Nonstop2h 24mJetSMART
Deal found 30/10$330
Wed 10/1216:35SCL - AEP
Nonstop2h 05mMultiple Airlines
Mon 12/114:05AEP - SCL
1 stop8h 00mMultiple Airlines
Deal found 29/10$333

Cheap 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 31 October 2025.

Round-trip from

$306

One-way from

$107

Popular in

September

Cheapest in

May

Average price

$283

Good one-way deal

$87 or less
JetSMART
  • JetSMART
  • 2/3-6/3
  • 1 total stop
  • 9h 19m total
  • Santiago to Buenos Aires
Search Deals
JetSMART
  • JetSMART
  • 29/11
  • 1 total stop
  • 15h 35m total
  • Santiago to Buenos Aires
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($27 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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 31 October 2025.
Use the filters below to find and compare flights from Santiago to Buenos Aires that are best for you.

Fly from

Santiago

Fly to

Buenos Aires

Route

Depart

Return

Price

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Fri 20/2

09:15-11:20

Nonstop2h 05m

Buenos Aires Jorge Newbery

Sun 22/2

22:10-00:35

Nonstop2h 25m

$321

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sat 29/11

07:10-22:46

1 stop15h 36m

Buenos Aires Jorge Newbery

Mon 1/12

14:15-19:30

1 stop5h 15m

$323

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Mon 13/4

15:35-18:40

Nonstop2h 05m

Buenos Aires Jorge Newbery

Wed 22/4

12:39-14:04

Nonstop2h 25m

$323

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Tue 24/2

19:15-21:20

Nonstop2h 05m

Buenos Aires Jorge Newbery

Sat 28/2

10:30-12:55

Nonstop2h 25m

$323

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sat 24/1

19:15-21:20

Nonstop2h 05m

Buenos Aires Jorge Newbery

Thu 29/1

22:10-00:35

Nonstop2h 25m

$323

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Fri 20/3

19:14-21:20

Nonstop2h 06m

Buenos Aires Jorge Newbery

Sun 22/3

22:10-00:35

Nonstop2h 25m

$323

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Mon 20/4

15:35-18:40

Nonstop2h 05m

Buenos Aires Jorge Newbery

Fri 24/4

19:39-21:04

Nonstop2h 25m

$323

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Sat 7/3

07:11-00:30

1 stop17h 19m

Buenos Aires Jorge Newbery

Wed 18/3

09:30-11:55

Nonstop2h 25m

$329

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Tue 20/1

16:35-18:40

Nonstop2h 05m

Buenos Aires Jorge Newbery

Mon 26/1

05:45-08:09

Nonstop2h 24m

$329

SantiagoBuenos Aires

SCL - AEP

SCLAEP

Santiago Arturo Merino Benitez

Wed 4/2

19:15-21:20

Nonstop2h 05m

Buenos Aires Jorge Newbery

Wed 11/2

22:10-00:35

Nonstop2h 25m

$329

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Showing 1-10 of 21 results
1
2
3

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 24 October 2025.

The best time to book flights from Santiago to Buenos Aires is 63 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.

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 $79). Flying from Santiago to Buenos Aires in September is currently the most expensive (average of $122). 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 31 October 2025.

It’s optimal to fly from Santiago to Buenos Aires at midday. By choosing this option you can save up to 30% 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 31 October 2025.

The most flights from SCL to BUE are scheduled on a Friday (23 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (8 on average).

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

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 31 October 2025.
Check out reviews from past customers who have flown with LATAM Airlines 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.
LATAM Airlines
7.5
Good
1,873 reviews
Check prices

Food

6.7

Comfort

7.3

Entertainment

7.0

Crew

8.0

Overall

7.5

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
LATAM Airlines
7.5
Good
1,873 reviews
LATAM Airlines
7.5
Good
1,873 reviews
Check prices

Food

6.7

Comfort

7.3

Entertainment

7.0

Crew

8.0

Overall

7.5

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

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 13 daily outbound flights to Buenos Aires from 0 different airlines.

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

    A quick flight from Santiago to Buenos Aires can take about 2h 05m. JetSMART provides one of the quickest options available for as low as $321. Airlines will cover a distance of 1146 km. All flights are typically direct.

  • 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(94%) 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 $155 for a flight from Santiago to Buenos Aires. The cheapest flight overall is $76 while the most popular route, (Santiago Arturo Merino Benitez - Buenos Aires Jorge Newbery) is currently priced at $315.

  • 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 $79). Flying from Santiago to Buenos Aires in September is currently the most expensive (average of $122). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Buenos Aires from Santiago today with Cheapflights!

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.