Helping travelers to find the best flight offers
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.
In different months, ticket prices from Santiago to Buenos Aires vary: minimum — $48 (December 2025), maximum — $54 (March 2026). Typically, the flight costs $49–$50.
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Santiago to Buenos Aires:
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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 route Santiago — Buenos Aires is served by many carriers — 4 in total, including Sky Airline, B&H Airlines, Aerolineas Argentinas, and Labrador Airways Limited. This gives passengers wide opportunities: from finding the lowest fare (from $39) 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.
Starting at $47
Starting at $39
Starting at $61
Starting at $83
Santiago — Buenos Aires
12/22/2025
Departure
Direct flight
H21820
Starting at $47
Santiago — Buenos Aires
01/24/2026
Departure
Direct flight
H25800
Starting at $49
Santiago — Buenos Aires
04/10/2026
Departure
Direct flight
H25810
Starting at $49
Santiago — Buenos Aires
12/10/2025
Departure
Direct flight
H21820
Starting at $51
Santiago — Buenos Aires
12/20/2025
Departure
Direct flight
H25800
Starting at $51
Santiago — Buenos Aires
02/22/2026
Departure
Direct flight
H21820
Starting at $52
Santiago — Buenos Aires
12/12/2025
Departure
Direct flight
H21820
Starting at $52
Santiago — Buenos Aires
01/03/2026
Departure
Direct flight
H25800
Starting at $52
Santiago — Buenos Aires
12/25/2025
Departure
Direct flight
H25800
Starting at $52
Santiago — Buenos Aires
03/01/2026
Departure
Direct flight
H21820
Starting at $54
The cheapest flight ticket from Santiago to Buenos Aires according to data for the last 48 hours costs $39
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: December, May, 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
LATAM Chile
Every day
Starting at $177
B&H Airlines
Mo, Tu, We, Th, Fr, and Sa
Starting at $75
Aerolineas Argentinas
Mo, Tu, We, Th, and Sa
Starting at $76
Sky Airline
Su, Mo, Tu, We, Th, and Sa
Starting at $76
The cheapest one-way flight from Santiago to Buenos Aires departs on 12/21/2025, is operated by B&H Airlines and costs $39
The cheapest roundtrip flight from Santiago to Buenos Aires departs on 01/21/2026, is operated by B&H Airlines and costs $155
Fastest flight from Santiago to Buenos Aires takes 2h 5m
There are direct flights on this route 7 days a week: Su, Mo, Tu, We, Th, Fr, and Sa
The distance between Santiago and Buenos Aires is 1129km (700 miles). The average flight duration is 2h 5m. There are 119 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 1:45 AM
A direct 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.