Cheap flights from Santiago to Buenos Aires from $50
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Santiago to Buenos Aires departing on 9/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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KLM flights from Santiago to Buenos Aires
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How to get the cheapest flight ticket from Santiago to Buenos Aires
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Santiago and Buenos Aires?
What is the cheapest month to fly to Buenos Aires?
The cheapest month to fly to Buenos Aires from Santiago is in May. Flight prices, which tend to average around $158, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of May, then book flights to Buenos Aires from Santiago during June instead. Flights to Buenos Aires in June, while not as cheap as those in May, still average around $166.
What is the cheapest day to depart on your flight to Buenos Aires?
On average, the least expensive day to fly to Buenos Aires from Santiago is on a Friday. momondo users have found tickets for Friday departures for as low as $199. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Monday is $234.
What is the cheapest time of day to depart on your flight to Buenos Aires?
Our most recent data shows that the best time of day to fly to Buenos Aires is in the evening. Flights from Santiago to Buenos Aires during this time can be as low as $194. Try not to purchase tickets at noon because they tend to be around $242. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Santiago Arturo Merino Benitez to Buenos Aires flight route?
Fly from Santiago Arturo Merino Benitez to Buenos Aires Jorge Newbery for the best Santiago Arturo Merino Benitez - Buenos Aires flight prices
How far in advance should I book a flight to Buenos Aires?
You are more likely to see cheaper flights to Buenos Aires from Santiago when booking 13 weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $207 when searching 13 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from Santiago for as low as $177 on momondo.
What cabin class options are available on Santiago Arturo Merino Benitez to Buenos Aires flights?
There are 3 cabin classes available to choose from on Santiago Arturo Merino Benitez to Buenos Aires flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Santiago to Buenos Aires flights?
You could potentially save up to 1% on your flight if you consider stops on a Santiago to Buenos Aires flight.
How have Santiago to Buenos Aires flight prices changed over time?
As of June 2025, prices for Santiago to Buenos Aires flights are approximately 16% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Santiago Arturo Merino Benitez to Buenos Aires?
JetSMART, Sky Airline, and Aerolineas Argentinas are the most popular carriers operating from Santiago Arturo Merino Benitez to Buenos Aires
What airlines fly to Buenos Aires?
LATAM Airlines, Aerolineas Argentinas and JetSMART are the top three most popular airlines that fly to Buenos Aires from Santiago according to our data. LATAM Airlines is the first choice among our users, with 29% of people opting to fly with this airline when traveling to Buenos Aires. Keep in mind that there are 5 different airlines that fly to Buenos Aires on a routine basis, so you have a few additional options to choose from.
How many flights depart from Santiago to Buenos Aires on average per day?
11 flights are operational daily from Santiago to Buenos Aires as of June 2025. The most popular departure time for this route is 9:00PM, with 40% of flights per day taking off at noon.
How many flights depart from Santiago to Buenos Aires on average per week?
The number of flights available between Santiago and Buenos Aires is 79 per week as of June 2025. The most frequent departure day is Thu, with 32% of weekly flights leaving on this day.
When to book flights from Santiago to Buenos Aires
Cheap Santiago to Buenos Aires (SCL to BUE) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Santiago to Buenos Aires
Best Price Found | $50 |
|---|---|
Fastest flight time | 1h 55m |
Direct flights | Every day |
Airports in Buenos Aires | 2 airports |
How far is Santiago Arturo Merino Benitez to Buenos Aires by plane?
The distance between Santiago Arturo Merino Benitez and Buenos Aires is about 706.7 mi. 1h 55m is a normal flight duration for this route.
When did momondo last update prices for flights from Santiago Arturo Merino Benitez Airport to Buenos Aires?
Prices for flights from Santiago Arturo Merino Benitez Airport to Buenos Aires are updated daily.
How many operators does momondo search for flights from Santiago Arturo Merino Benitez Airport to Buenos Aires?
As of June 2025, there are 5 operators available to choose from for flights from Santiago Arturo Merino Benitez Airport to Buenos Aires.
How old do you have to be to fly from Santiago Arturo Merino Benitez Airport to Buenos Aires?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Santiago Arturo Merino Benitez Airport to Buenos Aires.
What documentation or ID do you need to fly to Buenos Aires?
The travel and health documents you'll need for your trip to Buenos Aires may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buenos Aires. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Santiago to Buenos Aires?
momondo data reveals that the most frequently booked plane model on the route from Santiago to Buenos Aires is Airbus A320-100/200, representing 31.23% of all bookings. The subsequent popular models are Airbus A321-100/200 at 20.09%, Airbus A320neo at 15.64%, and Boeing 737-800 at 14.67%.
What is the most popular airline from Santiago to Buenos Aires?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Santiago to Buenos Aires is Sky Airline (22% of total bookings). The next most popular airlines are LATAM Airlines (22%), KLM (21%), and JetSMART (20%).
Best airlines flying from Santiago to Buenos Aires
Compare and see reviews for airlines that fly from Santiago to Buenos Aires with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $62 | Free Cancellation | Rating 6.6 193 reviews | |||
| PriceFrom $112 | Free Cancellation | Rating 8.1 872 reviews | |||
| PriceFrom $128 | Free Cancellation | Rating 6.5 113 reviews | |||
| PriceFrom $179 | Free Cancellation | Rating 7.8 1,358 reviews | |||
| PriceFrom $181 | Free Cancellation | Rating 7.5 1,785 reviews |
Aerolineas Argentinas Flights From Santiago to Buenos Aires
Aerolineas Argentinas flies from Santiago to Buenos Aires around 12 times per week, with 872 momondo users rating the airline 8.1/10. The cheapest Aerolineas Argentinas deal from Santiago to Buenos Aires in the last 72 hours was $112 (round-trip), much lower than the average airfare cost of $235 for Aerolineas Argentinas flights on this route.
KLM Flights From Santiago to Buenos Aires
KLM (7.8/10 from 1,358 reviews) operates around 9 flights from Santiago to Buenos Aires in any given week. The average KLM airfare for this route is around $214, with deals from around $179 rare but found on momondo. Referenced prices are for round-trip Santiago to Buenos Aires flight searches in the last 72 hours.
Why use momondo?
Why should I use momondo to find a flight deal from Santiago to Buenos Aires?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Santiago to Buenos Aires. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Santiago to Buenos Aires with flexible booking policies on momondo?
All flight searches from Santiago to Buenos Aires on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Santiago to Buenos Aires?
Once all potential Santiago to Buenos Aires flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Santiago to Buenos Aires right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Santiago to Buenos Aires flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.