Carry-On Only for Mexico: Volaris, Aeromexico, and Beach Packing

Mexico is one of the best carry-on-only destinations on the planet. Beachwear compresses to almost nothing, toiletries are cheap and abundant at destination, and travelling with only a cabin bag means no checked-bag fees on Mexico's budget airlines — which can otherwise add significant cost to a trip. The key is knowing exactly what each airline includes before you book.

The Mexican Airline Fee Landscape

Mexico's domestic and international aviation market includes several carriers with very different policies.

Volaris includes a 45×35×20 cm personal item on every fare. Zero and Basic exclude the main cabin bag; Plus includes one, and Zero/Basic can purchase it. The main bag is 55×40×25 cm and at most 10 kg; both pieces together must not exceed 20 kg. Check My Trips for the actual fee and entitlement rather than assuming a fixed gate price.

Viva includes one 45×35×20 cm personal item in every bundle. Zero excludes the main bag. Switch offers one 55×40×25 cm main bag up to 10 kg OR one 15 kg checked bag; Smart includes one 15 kg main bag plus one 25 kg checked bag. Main measurements include wheels and handles. Light has been renamed Switch. Confirm the selected option and price; choosing the Switch checked bag does not also include its main cabin bag.

Aeromexico permits one main bag up to 55×40×25 cm plus one underseat personal item when included or purchased. Their combined limit is 10 kg for Basic families, or 10/15 kg for Classic/Flex families by region; the United States row is 10 kg for all. Light, distinct from Básica, excludes the main bag where offered. Check the table row for the complete itinerary.

Interjet ceased operations in 2021 and no longer flies.

Beach Packing: What to Bring, What to Buy

Packing for Cancun, Tulum, or Puerto Vallarta is naturally light because the climate does the work for you.

Bring from home:

• 3–4 lightweight swimsuits or boardshorts (these compress almost flat)
• 5–6 pairs of lightweight underwear
• 3–4 quick-dry t-shirts or linen shirts
• 1 pair of shorts and 1 lightweight pair of trousers (for restaurants and cooler evenings)
• 1 packable rain layer (afternoon thunderstorms are common May–October)
• Flip flops and one pair of walking sandals — that is enough footwear
• Any prescription medication (always in the cabin bag)

Buy in Mexico instead of packing:

• Sunscreen — available everywhere in Mexico at very reasonable prices. The large 200 ml bottle that violates liquid rules costs less than at home, so buy on arrival.
• Insect repellent — DEET-based repellents are cheap at Mexican pharmacies (Farmacias del Ahorro, Farmacia Guadalajara, Chedraui supermarkets)
• Body wash, shampoo, conditioner — hotels often provide these; supermarkets stock them at low cost
• Beach towels — many hotels include them; if not, lightweight beach towels at Walmart Mexico cost very little

Cenote swimming gear — mask, snorkel, and water shoes — fits easily in a carry-on. A cheap travel snorkel set compresses well, or rent at the cenote for around $5.

Mezcal and alcohol: check the whole journey

Check ordinary liquid-container limits, alcohol strength and quantity restrictions, baggage entitlement, transfer screening and destination customs separately. A duty-free purchase does not guarantee cabin acceptance. Keep the required sealed bag and receipt intact and verify the conditions at every checkpoint. See the alcohol rules guide and duty-free transfer guide.

Airport Security at Cancun and CDMX

Cancun (CUN) is one of Mexico's busiest international airports and security can be slow during peak periods. Allow 3 hours before international departure without exception during high season (December–April, July–August). The airport expanded significantly in recent years and Terminal 3 is the primary international hub.

Mexico City (MEX) — Benito Juárez International Airport is one of Latin America's busiest airports. It is large, sometimes chaotic, and security queues during morning rush hours can be long. Arrive early. The newer Felipe Ángeles International Airport (NLU), about 45 km north of the city centre, handles overflow traffic and is generally less busy.

Connecting Domestically Inside Mexico

If you fly internationally to Mexico City or Guadalajara and then connect domestically to a resort destination on Volaris or VivaAerobus, remember that your international carrier's generous cabin allowance does not transfer. The domestic carrier's rules apply to that leg. Check the required add-on and actual purchase price for that segment before departure.

Travelling carry-on only in Mexico is genuinely easy once you know the airline fee structures. Pick the right carrier, buy sunscreen locally, and check the full liquid, alcohol, baggage and customs conditions before buying mezcal.

Reviewed carrier allowance

Aeromexico permits one main bag up to 55×40×25 cm plus one underseat personal item when included or purchased. Their combined limit is 10 kg for Basic families, or 10/15 kg for Classic/Flex families by region; the United States row is 10 kg for all. Light, distinct from Básica, excludes the main bag where offered. Check the table row for the complete itinerary.

Aeromexico carry-on guide

Viva baggage rules