Advice and Budget for South America Itinerary Aug-Dec 2025

Hi all, after some really helpful suggestions on my last post here is a rough itinerary.

6 countries with an emphasis on the exploring the natural beauty of the continent. (still keen to explore the cities cultures and foods!)

What kind of budget should I aim for realistically and what can i do to improve my journey?

South America Backpacking Itinerary (Aug - Dec 2025)

Fly form LDN to Colombia (August, 2-3 weeks)

Start: Bogotá

Explore: Medellín, Cartagena, Islands off Cartagena

Next: Peru (Late August - September, 3 weeks)

Explore: Lima, Cusco, Machu Picchu, Colca Canyon

Next: Bolivia (September, 2 weeks)

Explore: La Paz, Uyuni Salt Flats, Salta

Next: Chile (Late Sept - Early Oct, 1-2 weeks)

Explore: San Pedro de Atacama, El Tatio Geysers

Next: Argentina (Oct - Early Nov, 4-5 weeks)

Explore: Mendoza, Patagonia (Torres del Paine, Los Glaciares), Buenos Aires

Finally: Brazil (Late Nov - Dec, 3-4 weeks)

Explore: Iguazu Falls, Rio de Janeiro, São Paulo

Return: São Paulo to UK