What is LATAM Peru carry-on allowance?

LATAM Peru allows one carry-on bag up to 55 × 35 × 25 cm and 8 kg in economy on most fares, plus one personal item that fits under the seat. Allowances vary by fare tier so confirm when booking.

Do I need altitude sickness medication for a Lima and Cusco trip?

Lima is at sea level, so no medication is needed there. Cusco sits at 3,400 m altitude and altitude sickness is common. Acetazolamide (Diamox) is the standard prescription prevention — ask your doctor before departure.

What is the domestic airline allowance for Lima to Cusco flights?

LATAM domestic and Sky Airline both allow 8 kg or 6 kg carry-on respectively. Sky Airline is the budget option and has stricter limits. Always check your specific fare when booking the Lima to Cusco domestic leg.

What is Lima's climate like and how does it affect packing?

Lima is a coastal desert city. From May to October, it is grey, foggy, and humid (called garúa season) with temperatures around 15–18 degrees Celsius. November to April is sunny and warmer at 20–26 degrees. Pack layers either way.

Can I do Machu Picchu carry-on only?

Yes. From Cusco you take a train to Aguas Calientes, then a bus up to Machu Picchu. For the site visit itself, a daypack with water, sunscreen, and a light rain jacket is all you need. Leave your carry-on bag at the hotel in Cusco.

Carry-On Packing Guide for Lima, Peru (LIM)

Jorge Chávez International Airport (LIM) is Peru's main international gateway and the hub for LATAM Peru. Most visitors arrive in Lima and then continue domestically to Cusco — the launch point for Machu Picchu and the Sacred Valley. Understanding carry-on limits across multiple airlines, altitude health needs, and Lima's unusual coastal climate will help you pack smart for this trip.

Airline Carry-On Allowances at LIM

Airline	Route	Carry-on limit	Dimensions
LATAM Peru	International and domestic	8 kg	55 × 35 × 25 cm
Avianca	International	8 kg	55 × 35 × 25 cm
Sky Airline	Domestic (LIM–CUZ)	6 kg	45 × 35 × 25 cm
Star Peru	Domestic	8 kg	55 × 35 × 25 cm

Sky Airline is the budget option for the Lima to Cusco domestic leg and has a stricter 6 kg limit. If you are using Sky domestically, pack to that limit and weigh your bag before the airport.

The Cusco Connection: Altitude Matters

Cusco (CUZ) sits at approximately 3,400 metres above sea level — more than three times the altitude of the highest point in England. Altitude sickness (soroche) is common among arriving travelers and ranges from mild headaches and fatigue to more serious symptoms.

What to carry in your cabin bag:

Acetazolamide (Diamox) — the standard prescription medication for altitude prevention; start 24–48 hours before arrival in Cusco
Ibuprofen or paracetamol — for altitude headaches
Electrolyte sachets — hydration helps acclimatise faster
A light snack — nausea is common in the first day; something bland helps

Plan a rest day in Cusco before heading to Machu Picchu or hiking. The altitude effect diminishes significantly after 24–48 hours.

Lima: What to Expect and Pack For

Lima is a coastal desert city with an unusual climate for its latitude. Two distinct seasons affect how you pack:

Season	Months	Weather	What to wear
Garúa (fog season)	May–October	Grey, humid, 15–18 °C, almost no rain	Layers, light jacket, jeans
Summer	November–April	Sunny, warm, 20–26 °C, occasional rain	Light fabrics, sun protection

Despite being at 12 degrees south latitude, Lima's Pacific coastal location means it rarely feels tropical. Miraflores and Barranco — the two most popular neighbourhoods for tourists — are on the clifftops above the Pacific and catch sea breezes year-round.

What to Pack for Lima and Cusco

Clothing (7–10 day trip, carry-on only):

4–5 tops in lightweight moisture-wicking fabrics
2 pairs of trousers (one smart-casual for Lima restaurants; one trekking for Cusco)
1 lightweight fleece or down jacket — Cusco mornings are cold even in summer
Light rain jacket — doubles as a wind layer at altitude
Comfortable walking shoes — Miraflores and Cusco both involve steep streets and cobblestones
1 pair of flip-flops or sandals for Lima beach areas (Miraflores waterfront)

Health and altitude kit (keep in carry-on):

Altitude medication — prescription; arrange before departure
SPF 50 sunscreen — UV radiation is intense at Cusco's altitude
Lip balm with SPF — lips crack badly at altitude
Insect repellent if venturing into the jungle (Aguas Calientes area)

Documents and tech:

Passport and copies (keep in cabin bag at all times)
Peru does not require a visa for most nationalities, but confirm before departure
Travel adapter — Peru uses 220V, standard US two-pin sockets (Type A)

The Machu Picchu Day Trip

The classic Machu Picchu route from Cusco:

Cusco to Aguas Calientes by train (1.5–3.5 hours depending on train type)
Aguas Calientes to Machu Picchu citadel by bus (25 minutes)
Explore the site (allow 3–4 hours minimum)
Return the same way

For the day trip itself, leave your main carry-on bag at your Cusco hotel. Take only a small daypack with:

Water (at least 1.5 litres)
Snacks (food options at the site are expensive and limited)
Rain jacket — weather changes fast
Sunscreen and hat
Entrance ticket (pre-book online; timed entries are now enforced)

No special equipment is needed for the standard Machu Picchu circuit. Sturdy walking shoes with grip are sufficient for most visitors.

Lima's Food Scene: Nothing to Pack

Lima is widely regarded as one of the world's top gastronomic destinations. Ceviche, causa, lomo saltado, and pisco sour are all best experienced fresh and locally. There is genuinely nothing worth packing food-wise for this destination — the culinary culture is a reason to arrive without a full bag.

A well-packed carry-on for a Lima and Cusco trip fits the clothing needs of two different climates, all altitude health essentials, and leaves room for the inevitable souvenir handicrafts you will find in the San Blas neighbourhood of Cusco.