Cheap Flights from Santiago to Buenos Aires

Cheapest flights from Santiago to Buenos Aires

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Santiago to Buenos Aires. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$53

B&H Airlines

Direct flight

2h 8m

10/28/2026

The cheapest one-way flight from Santiago to Buenos Aires departs on 10/28/2026, is operated by B&H Airlines and costs $53

Cheapest round trip flight

$170

Sky Airline

Direct flight

4h 35m

01/29/2027

The cheapest roundtrip flight from Santiago to Buenos Aires departs on 01/29/2027, is operated by Sky Airline and costs $170

The fastest flight

2 hours

Fastest flight from Santiago to Buenos Aires takes 2 hours

Direct flights

Several times a week

There are direct flights on this route 6 days a week: Su, Mo, Tu, We, Th, and Fr

Earliest flight

4:00 AM

Latest flight

12:55 AM

Average flight duration

6h 45m

Direct flights count

106

Distance

1129km

Timezone difference

1h

The distance between Santiago and Buenos Aires is 1129km (700 miles). The average flight duration is 6h 45m. There are 106 direct flights from Santiago to Buenos Aires. The time difference between Santiago and Buenos Aires is 1h. Flights from Santiago begin at 4:00 AM. The latest flight from Santiago departs at 12:55 AM

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from Santiago to Buenos Aires by month

In different months, ticket prices from Santiago to Buenos Aires vary: minimum — $31 (January 2027), maximum — $74 (March 2027). Typically, the flight costs $38–$47.

January 2027

Lowest price

on average:

$31

March 2027

Highest price

on average:

$74

Avg Price

Price dynamics

Flight prices from Santiago to Buenos Aires are steadily rising: from September 2026 to May 2027, ticket costs increased by 103%. The sooner you book, the better the deal.

Cheaper and more expensive periods

The most significant price increase was from January 2027 to May 2027 — up 132%. The best time to fly is January 2027–February 2027, when the average price is $35. In March 2027–May 2027, tickets cost around $73.

Best time to buy

Given the rising prices, it's best not to delay your purchase. Flying in January 2027–February 2027 can save you up to 52% compared to the most expensive months.

Price predictability

Price variation across months on this route is 33.6%. Your choice of departure month significantly affects the total flight cost.

Airlines operating on route

The route Santiago — Buenos Aires is served by many carriers — 4 in total, including B&H Airlines, Sky Airline, LATAM Chile, and Aerolineas Argentinas. This gives passengers wide opportunities: from finding the lowest fare (from $53) to selecting flights by schedule or service class. Our service aggregates data from multiple booking systems so you can compare offers in one place. This saves time and money: no need to check dozens of sites — just pick the right option and book online.

B&H Airlines

starting at $53

Sky Airline

starting at $54

LATAM Chile

starting at $59

Aerolineas Argentinas

starting at $70

Non-stop flights from Santiago to Buenos Aires

A non-stop flight is the most convenient and comfortable way to fly from Santiago to Buenos Aires, despite the fact that sometimes flights with transfers can cost significantly less.

Santiago — Buenos Aires

SCL — BUE

10/28/2026

Departure

Direct flight

JA737

starting at $53

Santiago — Buenos Aires

SCL — BUE

01/08/2027

Departure

Direct flight

H21820

starting at $54

Santiago — Buenos Aires

SCL — BUE

09/29/2026

Departure

Direct flight

JA3881

starting at $55

Santiago — Buenos Aires

SCL — BUE

01/18/2027

Departure

Direct flight

H21820

starting at $56

Santiago — Buenos Aires

SCL — BUE

01/20/2027

Departure

Direct flight

H21820

starting at $56

Santiago — Buenos Aires

SCL — BUE

10/07/2026

Departure

Direct flight

H21820

starting at $58

Santiago — Buenos Aires

SCL — BUE

09/28/2026

Departure

Direct flight

LA477

starting at $59

Santiago — Buenos Aires

SCL — BUE

09/27/2026

Departure

Direct flight

H25810

starting at $61

Santiago — Buenos Aires

SCL — BUE

01/07/2027

Departure

Direct flight

JA3883

starting at $61

Santiago — Buenos Aires

SCL — BUE

10/05/2026

Departure

Direct flight

JA737

starting at $61

Schedule of direct flights from Santiago to Buenos Aires

All airlines serving Santiago — Buenos Aires operate daily direct flights: LATAM Chile and Aerolineas Argentinas fly every day.

LATAM Chile

Every day

starting at $67

Aerolineas Argentinas

Every day

starting at $92

Santiago airports overview

Arturo Merino Benitez Airport

•

SCL

23km

Santiago’s main international gateway serving Chile’s capital, offering domestic and international routes and connections across the country. Accessible to downtown by bus, taxi and highway links.

•

Buenos Aires airports overview

Jorge Newbery Airport

•

AEP

8km

Serving Buenos Aires and the Río de la Plata waterfront, handles mainly domestic and regional flights with quick access to downtown and frequent connections across Argentina and neighboring countries.

Ministro Pistarini Airport

•

EZE

28km

Serves Buenos Aires as the primary international gateway, situated about 22 km southwest of the city; handles most long‑haul passenger and cargo flights.

•

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

What is the cheapest price for flights from Santiago to Buenos Aires?

The cheapest flight ticket from Santiago to Buenos Aires according to data for the last 48 hours costs $53

When is the best time to buy air tickets on the route Santiago — Buenos Aires?

Often the best time to buy tickets from Santiago to Buenos Aires is 2 months before departure.

When is the cheapest time of year to fly from Santiago to Buenos Aires?

Based on statistics over the past years, the lowest prices for flights from Santiago to Buenos Aires can be found flying in these months: January, September, November.

How long does it take to fly from Santiago to Buenos Aires?

The fastest flights from Santiago to Buenos Aires start from 2 hours in the air.

Which airline can fly direct from Santiago to Buenos Aires?

The following airlines operate direct flights on the route Santiago — Buenos Aires: B&H Airlines, Sky Airline, LATAM Chile

Special offers and sales on air tickets from Santiago to Buenos Aires

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

We couldn't find any special offers for flights from Santiago to Buenos Aires

Alternative routes

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Cheapest one way flight

$53

B&H Airlines

Direct flight

2h 8m

10/28/2026

The cheapest one-way flight from Santiago to Buenos Aires departs on 10/28/2026, is operated by B&H Airlines and costs $53

Cheapest round trip flight

$170

Sky Airline

Direct flight

4h 35m

01/29/2027

The cheapest roundtrip flight from Santiago to Buenos Aires departs on 01/29/2027, is operated by Sky Airline and costs $170

The fastest flight