Packing for a Month in South America

Pack for one week of clothing and use laundry services to keep your total pack weight under 25 pounds (11kg). Prioritize a high-quality 40-50 liter backpack that opens like a suitcase rather than a top-loader for easier access to your gear.

  1. Choose the right bag. Select a 40-50 liter carry-on-sized backpack. A clamshell (front-loading) opening is mandatory for accessing clothes without dumping everything out. Ensure it has a sturdy hip belt to shift weight off your shoulders.
  2. Use a modular packing system. Use compression packing cubes to divide categories: one for tops, one for bottoms, one for undergarments, and one for tech/cables. This keeps your bag organized as you move between hostels or buses.
  3. Adopt the 'One Week' rule. Pack exactly 7 days of clothing. South America has affordable 'lavandería' services in every town; you will drop off a bag and pick it up the next day for roughly $5-$8.
  4. Layer for climate zones. You will likely encounter both tropical heat and Andean cold. Pack one high-quality fleece or down jacket, a lightweight rain shell, and thin layers that can be worn in combination.
  5. Secure your tech and docs. Bring a small 10-15 liter daypack for your passport, camera, and electronics. Never put valuables in your large checked backpack on buses or in storage lockers.
Is a suitcase better than a backpack for South America?
Generally, no. Dirt roads, cobblestones, and steep hostel stairs make rolling suitcases a burden. A backpack is essential for mobility.
Do I need a heavy winter coat?
No. Use the 'layering' approach. A thermal base layer, a light sweater, and a wind/waterproof shell will handle almost any temperature down to freezing.