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

$57

B&H Airlines

Direct flight

2h 8m

05/22/2026

The cheapest one-way flight from Santiago to Buenos Aires departs on 05/22/2026, is operated by B&H Airlines and costs $57

Cheapest round trip flight

$120

B&H Airlines

1 layover

12h 29m

07/02/2026

The cheapest roundtrip flight from Santiago to Buenos Aires departs on 07/02/2026, is operated by B&H Airlines and costs $120

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, We, Th, Fr, and Sa

Earliest flight

4:00 AM

Latest flight

12:55 AM

Average flight duration

2h 2m

Direct flights count

109

Distance

1129km

Timezone difference

1h

The distance between Santiago and Buenos Aires is 1129km (700 miles). The average flight duration is 2h 2m. There are 109 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 — $57 (May 2026), maximum — $103 (November 2026). Typically, the flight costs $78–$92.

May 2026

Lowest price

on average:

$57

November 2026

Highest price

on average:

$103

Avg Price

Price dynamics

Flight prices from Santiago to Buenos Aires are steadily rising: from April 2026 to January 2027, ticket costs increased by 73%. The sooner you book, the better the deal.

Cheaper and more expensive periods

The most significant price increase was from April 2026 to November 2026 — up 75%. The best time to fly is April 2026–May 2026, when the average price is $58. In November 2026–December 2026, tickets cost around $97.

Best time to buy

Given the rising prices, it's best not to delay your purchase. Flying in April 2026–May 2026 can save you up to 41% compared to the most expensive months.

Price predictability

Price variation across months on this route is 26.2%. Your choice of departure month significantly affects the total flight cost.

Airlines operating on route

The Santiago — Buenos Aires route is served by multiple airlines, including B&H Airlines, Sky Airline, and Aerolineas Argentinas. This is convenient for those who want the best balance of price, schedule, and travel conditions. Tickets start from $57, and depending on season and promotions, even better deals may appear. With our service, you can easily compare available options and book tickets that match your plans. The variety of carriers allows flexible choices and comfortable travel without overpaying.

B&H Airlines

starting at $57

Sky Airline

starting at $63

Aerolineas Argentinas

starting at $65

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

05/22/2026

Departure

Direct flight

JA733

starting at $57

Santiago — Buenos Aires

SCL — BUE

07/01/2026

Departure

Direct flight

JA731

starting at $60

Santiago — Buenos Aires

SCL — BUE

09/09/2026

Departure

Direct flight

H25810

starting at $63

Santiago — Buenos Aires

SCL — BUE

05/13/2026

Departure

Direct flight

AR1287

starting at $65

Santiago — Buenos Aires

SCL — BUE

05/11/2026

Departure

Direct flight

H2537

starting at $66

Santiago — Buenos Aires

SCL — BUE

05/09/2026

Departure

Direct flight

H25800

starting at $66

Santiago — Buenos Aires

SCL — BUE

09/06/2026

Departure

Direct flight

JA3885

starting at $70

Santiago — Buenos Aires

SCL — BUE

09/06/2026

Departure

Direct flight

JA733

starting at $70

Santiago — Buenos Aires

SCL — BUE

05/07/2026

Departure

Direct flight

JA3883

starting at $75

Santiago — Buenos Aires

SCL — BUE

05/08/2026

Departure

Direct flight

JA731

starting at $75

Schedule of direct flights from Santiago to Buenos Aires

A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Santiago to Buenos Aires:

LATAM Chile

Su, Mo, Tu, We, Fr, and Sa

starting at $87

Aerolineas Argentinas

Su, Mo, Tu, We, Fr, and Sa

starting at $95

KLM

Su, Mo, Tu, We, Fr, and Sa

starting at $134

Sky Airline

Su, Mo, Tu, We, Fr, and Sa

starting at $58

B&H Airlines

Su, Mo, Tu, We, Fr, and Sa

starting at $75

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 $57

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: May, April, June.

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, Aerolineas Argentinas

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

$57

B&H Airlines

Direct flight

2h 8m

05/22/2026

The cheapest one-way flight from Santiago to Buenos Aires departs on 05/22/2026, is operated by B&H Airlines and costs $57

Cheapest round trip flight

$120

B&H Airlines

1 layover

12h 29m

07/02/2026

The cheapest roundtrip flight from Santiago to Buenos Aires departs on 07/02/2026, is operated by B&H Airlines and costs $120

The fastest flight