South America’s aviation network connects major cities across large distances, where air travel is often the most efficient way to move between regions. Domestic routes within large countries and regional connections between neighboring nations both play a significant role in daily flight activity.
This ranking highlights the busiest flight routes in South America based on the average number of flights per day. Routes with the highest frequencies are typically served by multiple airlines and operate regular departures throughout the day.
High-frequency routes are often found between major metropolitan areas, airline hubs, and key economic centers. Comparing routes using this metric provides insight into which city pairs experience the highest levels of daily air traffic across South America.
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The table below lists the 50 busiest flight routes in South America ranked by flights per day. Routes with higher frequencies typically connect major cities and reflect strong and consistent demand for air travel across the region.
Top 50 Busiest Flight Routes in South America
50 routes · Flights per day · South America
- Flights per day
- 54
- Flights per day
- 49
- Flights per day
- 47
- Flights per day
- 40
- Flights per day
- 37
- Flights per day
- 37
- Flights per day
- 35
- Flights per day
- 34
- Flights per day
- 31
- Flights per day
- 30
- Flights per day
- 29
- Flights per day
- 25
- Flights per day
- 25
- Flights per day
- 25
- Flights per day
- 25
- Flights per day
- 23
- Flights per day
- 23
- Flights per day
- 23
- Flights per day
- 23
- Flights per day
- 22
- Flights per day
- 22
- Flights per day
- 21
- Flights per day
- 21
- Flights per day
- 21
- Flights per day
- 20
- Flights per day
- 20
- Flights per day
- 20
- Flights per day
- 19
- Flights per day
- 19
- Flights per day
- 19
- Flights per day
- 19
- Flights per day
- 18
- Flights per day
- 18
- Flights per day
- 17
- Flights per day
- 17
- Flights per day
- 17
- Flights per day
- 17
- Flights per day
- 17
- Flights per day
- 17
- Flights per day
- 16
- Flights per day
- 16
- Flights per day
- 16
- Flights per day
- 16
- Flights per day
- 16
- Flights per day
- 15
- Flights per day
- 15
- Flights per day
- 15
- Flights per day
- 15
- Flights per day
- 15
- Flights per day
- 15
- Flights per day
- 20
- Flights per day
- 23
- Flights per day
- 15
- Flights per day
- 29
- Flights per day
- 23
- Flights per day
- 40
- Flights per day
- 15
- Flights per day
- 25
- Flights per day
- 54
- Flights per day
- 15
- Flights per day
- 34
- Flights per day
- 37
- Flights per day
- 21
- Flights per day
- 16
- Flights per day
- 16
- Flights per day
- 35
- Flights per day
- 16
- Flights per day
- 17
- Flights per day
- 18
- Flights per day
- 23
- Flights per day
- 49
- Flights per day
- 15
- Flights per day
- 22
- Flights per day
- 17
- Flights per day
- 19
- Flights per day
- 16
- Flights per day
- 31
- Flights per day
- 47
- Flights per day
- 17
- Flights per day
- 15
- Flights per day
- 25
- Flights per day
- 20
- Flights per day
- 21
- Flights per day
- 37
- Flights per day
- 22
- Flights per day
- 23
- Flights per day
- 18
- Flights per day
- 21
- Flights per day
- 17
- Flights per day
- 30
- Flights per day
- 19
- Flights per day
- 19
- Flights per day
- 19
- Flights per day
- 20
- Flights per day
- 16
- Flights per day
- 25
- Flights per day
- 15
- Flights per day
- 17
- Flights per day
- 17
- Flights per day
- 25
Methodology
- This ranking is based on the latest route data available on AeroCorner, updated once per week at minimum.
- Region-based rankings only include routes where both airports are within the selected region.
- Only routes with actual currently existing flights are included in the table.
- Flights per day reflects the average daily service shown for each directional route.
Flight routes are ranked based on the average number of daily departures between two airports. Only direct, non-stop flights are included. Data is compiled from airline schedule datasets, with routes showing the highest average number of daily departures appearing at the top of the ranking.
Frequently Asked Questions
Large countries such as Brazil and Argentina rely heavily on domestic aviation to connect distant cities, leading to high-frequency routes within national networks.
Long distances and limited ground transport options in some areas increase reliance on air travel, contributing to higher flight frequencies on key routes.
Yes. Routes connecting major cities across neighboring countries often rank among the busiest due to strong economic and travel links.
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