Open interactive map →Cheap flights from Buenos Aires to Santiago
Planning a trip from Buenos Aires to Santiago? Current fares start at €108 - a solid entry point for a flight to Chile. Several airlines compete on this route, which helps keep fares relatively stable. Direct and one-stop options are both available - use the booking site to filter by preference. The flight typically takes around 2h 50min. Use the price calendar to identify your cheapest month, then click through to compare live seat availability.
Prices to Santiago are typically lowest in the shoulder months shown in the calendar above. Searching for mid-week flights and avoiding school holiday windows can meaningfully cut costs on this route. If you're open on destination, use the interactive map from Buenos Aires to compare Santiago against nearby alternatives - you may find a cheaper fare to a similar destination.
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Cheapest month to fly
- October 2026€1081 stopCheapest
Based on tracked fares, October is the cheapest month to fly this route at around €108.
Prices last updated: September 2026
October in Santiago
Avg 14°C~3 rainy days
Historical averages from Open-Meteo. Shown for the cheapest travel month.
Alternative routes
Other ways to reach Santiago
Frequently asked questions
How much does a flight from Buenos Aires to Santiago cost?
The cheapest fare currently available from Buenos Aires to Santiago is €108. Prices on this route vary by season, day of week, and how far in advance you book. The month-by-month price calendar on this page shows exactly when fares are highest and lowest, so you can pick the most cost-effective window before searching for specific dates. Fares are refreshed regularly as our flight partners publish new availability.
Are there direct flights from Buenos Aires to Santiago?
SkyHopp tracks both direct and connecting flights from Buenos Aires to Santiago. Connecting flights are often priced lower but add travel time due to the layover. Whether a non-stop option exists on specific dates depends on airline schedules - use the "Direct only" filter on the interactive map to see non-stop options, or check the booking site for a full breakdown by stop count.
When is the cheapest time to fly from Buenos Aires to Santiago?
Prices on this route typically dip during shoulder-season months, away from school holidays and public holiday windows. Mid-week departures - particularly Tuesday to Thursday - tend to be cheaper than flights on Fridays and Sundays from Buenos Aires. The month-by-month price calendar above is the fastest way to identify the cheapest window - look for the months with the lowest fares before committing to travel dates. Booking 3-6 weeks in advance generally offers the best balance of price and seat availability on this route.