Cheap Flights from Buenos Aires to Santiago: The Complete Savings Guide

Crossing the Andes from Argentina to Chile? Search and book your Buenos Aires–Santiago flight with TopTravelCentre and compare every airline in seconds. If you are after cheap flights from Buenos Aires to Santiago, you are on one of South America’s busiest cross-border corridors — flown directly by several competing airlines, including both full-service and low-cost carriers, which is exactly what keeps fares within reach.

💡 Ready to fly? Compare Buenos Aires–Santiago fares here and book the best price in seconds.

Buenos Aires–Santiago route at a glance

Fact	Detail
Direct flight time	~2 h 15 min
Distance	~1,150 km (about 715 miles)
Origin airport	Buenos Aires–Ezeiza (EZE)
Destination airport	Santiago–Arturo Merino Benítez (SCL)
Direct airlines	LATAM, Aerolíneas Argentinas, JetSMART, Sky Airline
Cheapest months	May, and September–November
Cheapest days	Tuesday and Wednesday

How long is the flight from Buenos Aires to Santiago?

A direct flight from Buenos Aires to Santiago takes about 2 hours and 15 minutes, climbing west over the Andes. There is no need to connect — multiple airlines fly the route non-stop — so book direct and skip paying for a layover you do not want. Departures run through the day, which makes this a flexible corridor for both business and leisure.

Note the small time difference: Argentina and Chile are close, but local time can shift around daylight-saving changes, so check your arrival time when planning onward connections.

See all airlines and times together: compare Buenos Aires–Santiago flights on TopTravelCentre in seconds.

Which airlines fly the route (and which are cheapest)

LATAM — a leading carrier on the corridor, with frequent departures, a proper full-service product and broad schedule flexibility.
Aerolíneas Argentinas — Argentina’s flag carrier and a natural option from Buenos Aires, with regular direct service and full-service fares.
JetSMART — the ultra-low-cost operator on the route, frequently the lowest headline fare, with baggage and seat choice priced as extras.
Sky Airline — the Chilean low-cost carrier, another competitive budget option across the Andes.

With two low-cost carriers (JetSMART and Sky Airline) pressing the two full-service airlines (LATAM and Aerolíneas Argentinas), the cheapest fares usually come from the low-cost side — but a LATAM or Aerolíneas sale can flip that. Before you book, compare every Buenos Aires–Santiago flight at once on TopTravelCentre to see instantly which airline wins on your exact date.

Airports: Buenos Aires–Ezeiza (EZE) and Santiago–Arturo Merino Benítez (SCL)

Buenos Aires–Ezeiza (EZE)

Ezeiza is Buenos Aires’ main international airport, about 30–45 minutes southwest of the city centre. Several bus lines, private transfers and taxis connect it to downtown. Arrive with time to spare, as international check-in and security can be slow at peak hours. (Buenos Aires also has a closer downtown field, Aeroparque, but the trans-Andean routes typically use Ezeiza — confirm your departure airport when you book.)

Santiago–Arturo Merino Benítez (SCL)

Chile’s main gateway, northwest of Santiago. Centropuerto and TurBus airport buses reach the centre in about 20–30 minutes for a low flat fare; official taxis and ride-hailing are also available. Allow time for border formalities on arrival.

When is the cheapest time to fly Buenos Aires–Santiago?

May, and September–November — the cheapest months, when demand on the corridor eases and the low-cost carriers discount hardest.
Tuesday and Wednesday — usually the cheapest days to fly.
When to avoid on price: the southern-hemisphere summer peak (December–February), Easter, and Argentine and Chilean holiday long weekends, when fares rise sharply on this popular cross-border route.

Planning to continue from Santiago to Europe? See our Santiago to Madrid and Santiago to Barcelona guides. Flying onward from Buenos Aires instead? Check Buenos Aires to Madrid and Buenos Aires to Barcelona.

6 real tactics to get the cheapest flight

Fly Tuesday or Wednesday. The cheapest days across the Andes.
Target May or September–November. When the low-cost carriers cut fares hardest.
Book 3–6 weeks ahead. The sweet spot for a regional route of this length.
Always compare JetSMART and Sky Airline against LATAM and Aerolíneas Argentinas. The low-cost fare usually wins — but a full-service sale can flip it.
Mind the extras. On ultra-low-cost JetSMART, baggage and seat choice move the real total; a full-service fare may be better value once those are in.
Compare all airlines at once. The only way to be sure. Our complete guide to finding cheap flights has more regional tactics.

How much does a Buenos Aires–Santiago flight cost? (price ranges)

Checked on 09/08/2026. Booked 3–6 weeks ahead on a midweek date in low season, a one-way Buenos Aires–Santiago ticket typically starts from about 90–160 USD on the low-cost carriers, with full-service fares often a step higher. In peak season (December–February, Easter, holiday long weekends) or booked last-minute, the same ticket can reach 250–350 USD or more. These are ranges, not guaranteed prices — always check the live fare for your date.

👉 Check the live price for your date on TopTravelCentre — EZE → SCL, best price in seconds.

Frequently asked questions

Are there direct flights from Buenos Aires to Santiago?

Yes — LATAM, Aerolíneas Argentinas, JetSMART and Sky Airline fly the route non-stop. The flight takes about 2 hours 15 minutes.

Which airline is cheapest?

Usually JetSMART or Sky Airline, the low-cost carriers on the route — though a LATAM or Aerolíneas Argentinas sale can undercut them. Always compare all of them for your exact date.

How long is the flight?

About 2 hours 15 minutes, direct. There is no need to connect.

Do I need a visa?

Argentine and Chilean citizens travel between the two countries with just a national ID. Other foreign visitors should confirm current entry rules, but most Latin American and many European passport holders do not need a visa for short tourism stays in Chile. Always check before booking.

Which airport will I fly from in Buenos Aires?

The trans-Andean routes typically use Ezeiza (EZE), southwest of the city. Confirm your departure airport when you book, as Buenos Aires has more than one field.

What is the cheapest month to fly?

May, and September through November, when demand softens. December–February and Easter are the most expensive.

Summary: your plan for the cheapest Buenos Aires–Santiago flight

Fly on a Tuesday or Wednesday, ideally in May or September–November.
Book 3–6 weeks ahead, one way or round trip.
Compare all airlines — and always include JetSMART and Sky Airline.

Once you have decided, the fastest move is to compare in one place:

👉 Search and book your Buenos Aires–Santiago flight on TopTravelCentre — best price in seconds.

Prices are indicative and vary by date and airline.