Solo Female Travel South America: 4 Weeks, 7 kg Carry-On, 5 Countries

The bigger concern usually isn't the dramatic risks but the small ones: pickpockets in busy old towns, someone tugging at a zipper while attention is elsewhere.

About 70 percent of women who travel solo worry about the safety of their luggage. Most advice focuses on behavior, but a backpack built to remove that decision entirely is the more practical fix.

The Travelon Anti-Diebstahl-Rucksack Classic is exactly that kind of gear: hidden zippers, slash-resistant straps, a concealed passport pocket. Might sound like overkill, but it isn't when walking alone through an unfamiliar old town without needing to keep reaching back to check the bag is still closed.

For a look at which models actually deliver on those promises, our test of anti-theft carry-on backpacks covers them properly.

The cobblestone streets common in Buenos Aires and Cusco are the second reason a backpack beats a rolling suitcase: small wheels plus old sidewalks reliably equals disaster.

Packing four weeks into 7 kg sounds like deprivation. It isn't. Carry-on-only for a woman traveling solo through South America isn't a compromise — it's the smarter choice.

The trick is simple: laundry every four days. Every hostel on the backpacker circuit offers laundry service, usually $2 to $4 per kilo, with real price differences from city to city. Merino wool is the single most useful material choice: dries fast, doesn't smell.

For anyone wondering whether the same approach works in tropical heat on long-haul routes, our story about a similar experience backpacking Southeast Asia has a lot of overlap.

Clothing (approx. 2.5 kg):

• 2 t-shirts (merino wool blend) — two is genuinely enough with a consistent laundry rhythm

• 1 MERIWOOL Damen Funktionsunterwäsche 100% Merinowolle mittelschweres Langarm-Thermohemd as base layer

• 1 lightweight hiking pants that convert to shorts

• 1 leggings

• 1 lightweight down jacket — covers both near-freezing altitudes and tropical coastal heat, since it packs down to almost nothing

• 1 rain jacket

• 3 underwear, 3 pairs socks (merino)

• 2 bikinis — one to wear, one to dry, especially useful along the Caribbean coast

• Flip-flops for hostel showers

Tech and security (approx. 1.5 kg):

• Phone + charging cable

• Power bank (10,000 mAh)

• PASCACOO Reisepasshülle RFID-blockierend Leder Kartenetui Reisezubehör für Damen und Herren for passport and cards

• Universal adapter

• Headphones

For solo female travel with carry-on luggage, the security of your gear isn't optional. The tech pocket deserves particular attention, both when packing and during checks along the way.

Hygiene and health (approx. 1 kg):

• Toiletry bag (liquids under 100 ml)

• Sunscreen, insect repellent

• Diamox (for altitude sickness, prescribed by doctor)

• Ibuprofen

• Basic first aid kit

Organization (approx. 0.5 kg):

• Shacke Packung - Packwürfel 4er Set – Reiseorganisierer Mit Wäschebeutel — nearly essential once daily unpacking and repacking starts in a 7 kg backpack

• Dock & Bay Strandhandtuch - Schnell trocknende Mikrofaser, ohne Sand - Kompakt, Leicht - 100% recycelt - Inklusive Beutel - Large — weighs almost nothing, dries in 20 minutes

• 1 thin tote bag for groceries

The backpack itself: approx. 1.5 kg

The layering system is the whole point of this packing list for South America as a female traveler: from tropical coastal heat to minus 5 degrees at altitude in places like La Paz (3,640 meters). No bulky winter coat. Base layer plus down jacket plus rain shell. Works. Doesn't always look stylish. Keeps you warm.

This airline breakdown rarely shows up in one place, but it's essential reading before booking any South American itinerary:

Sources: JetSMART Baggage Policy | Aerolíneas Argentinas Policy | LATAM Baggage Policy

The JetSMART trap: Every other South American airline allows 55 cm height. JetSMART allows only 45 cm — a backpack that clears every other airline's gate check without issue can still trigger a $50 charge here.

And Aerolíneas Argentinas on domestic flights: only 8 kg, not 10 — a detail many travelers only learn at the gate. In Buenos Aires, staff genuinely weigh bags.

For a full breakdown of what gate fees actually cost across airlines, it's worth a look before booking any South American itinerary.

Cusco sits at 3,400 meters, La Paz at 3,640, the Salar de Uyuni at 3,665. Numbers that sound abstract until headaches, nausea, and shortness of breath set in. About 17 percent of travelers to Cusco get seriously sick from altitude. Fitness doesn't protect against it. Not at all.

A Diamox (acetazolamide) prescription before leaving is the standard recommendation, along with ibuprofen for headaches. Coca tea is available locally, but the medication needs to already be in the bag. Without it, a planned trek like Machu Picchu risks turning from uncomfortable into cancelled.

A second bikini is the detail most commonly overlooked: one to wear, one to dry. Along the Caribbean coast, where daily water contact is the norm, a permanently damp bikini gets old fast.

The rain jacket is worth weighing carefully: essential in Patagonia, mostly dead weight in Colombia and Peru. A lighter version does the same job and saves noticeable grams — at 7 kg, every gram counts.

Packing cubes, on the other hand, are worth keeping without question — not primarily for the space savings, but because they prevent chaos. Daily unpacking and repacking without them means far more sorting than expected.

Four weeks, 7 kg, five countries. The packing list for South America as a solo female traveler is shorter than most people expect. Two adjustments would improve it further: a second bikini and a lighter rain jacket. The principle stays the same either way: less luggage, more freedom, starting with how the bag gets packed.

If you're new to carry-on-only travel, our general carry-on packing list as a starting point has a compact checklist that works for any trip type.