Compare airlines, prices, and flight durations for your trip
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.
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.
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Santiago to Buenos Aires:
•
•
•
•
•
•
Answers to questions about the route that travelers are most interested in.
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.
The cheapest one-way flight from Santiago to Buenos Aires departs on 04/09/2026, is operated by B&H Airlines and costs $50
The cheapest roundtrip flight from Santiago to Buenos Aires departs on 04/24/2026, is operated by Sky Airline and costs $124
Fastest flight from Santiago to Buenos Aires takes 2h 5m
There are direct flights on this route 5 days a week: Su, Tu, We, Th, and Fr
The distance between Santiago and Buenos Aires is 1129km (700 miles). The average flight duration is 2h 3m. There are 132 direct flights from Santiago to Buenos Aires. The time difference between Santiago and Buenos Aires is 1h. Flights from Santiago begin at 4:50 AM. The latest flight from Santiago departs at 1:35 AM
The Santiago — Buenos Aires route is served by multiple airlines, including Sky Airline, B&H Airlines, and Aerolineas Argentinas. This is convenient for those who want the best balance of price, schedule, and travel conditions. Tickets start from $50, 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.
Santiago — Buenos Aires
03/25/2026
Departure
Direct flight
H2535
starting at $56
Santiago — Buenos Aires
01/21/2026
Departure
Direct flight
H25810
starting at $59
Santiago — Buenos Aires
05/15/2026
Departure
Direct flight
H2535
starting at $59
Santiago — Buenos Aires
03/05/2026
Departure
Direct flight
H25800
starting at $60
Santiago — Buenos Aires
01/25/2026
Departure
Direct flight
H21820
starting at $60
Santiago — Buenos Aires
04/15/2026
Departure
Direct flight
H21820
starting at $61
Santiago — Buenos Aires
03/17/2026
Departure
Direct flight
H25800
starting at $61
Santiago — Buenos Aires
03/20/2026
Departure
Direct flight
H25810
starting at $62
Santiago — Buenos Aires
02/19/2026
Departure
Direct flight
H25800
starting at $62
Santiago — Buenos Aires
01/22/2026
Departure
Direct flight
H25800
starting at $62
LATAM Chile
Every day
starting at $209
Sky Airline
Every day
starting at $57
Aerolineas Argentinas
Every day
starting at $84
B&H Airlines
Every day
starting at $71
The cheapest flight ticket from Santiago to Buenos Aires according to data for the last 48 hours costs $50
Often the best time to buy tickets from Santiago to Buenos Aires is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Santiago to Buenos Aires can be found flying in these months: March, April, January.
The fastest flights from Santiago to Buenos Aires start from 2 hours 5 minutes in the air.
The following airlines operate direct flights on the route Santiago — Buenos Aires: Sky Airline
In different months, ticket prices from Santiago to Buenos Aires vary: minimum — $57 (March 2026), maximum — $3,674 (December 2025). Typically, the flight costs $157–$587.