Flying JetSMART with a small dog? Good news first: the cabin door is open. Small dogs travel in the cabin with you, not in cargo and not in the hold. That single fact shapes everything else about your paperwork and your carrier choice. The science here is simpler than it sounds. Pixel has taught me that the cabin rule is the one that decides your whole booking. Here is what to lock in.

JetSMART's pet policy splits into cabin and cargo. This page summarizes the weight limits, fees, brachycephalic-breed restrictions, and carrier specifications for both modes — sourced from the airline's official pet pages.

How JetSMART handles your pet

JETSMART (Chile, LATAM LCC): cabin pets only — 1 dog or cat per passenger, max 4 per flight. NO breed restrictions reported. Hold/cargo not standard.

Each fact comes straight from the operator’s published policy. Tap the to read the exact wording; the opens the source page.

In the cabin Accepted
In the hold / cargo Not accepted

Cabin policy

Pets accepted Acceptedverified 2026-07-20
Advance booking notice48 hoursverified 2026-07-13
Advance booking required Yesverified 2026-07-13
Max pets per flight4verified 2026-07-13
Max pets per passenger1verified 2026-07-13
Sedation allowed Noverified 2026-07-20
Advance notice hours48 hoursverified 2026-07-13
Carrier size35 × 35 cmverified 2026-07-20
Crate must have/besoft-sided ok, ventilated, a carrierverified 2026-07-20

Hold & cargo policy

Hold: Pets accepted Not acceptedverified 2026-07-13
Cargo: Pets accepted Not acceptedverified 2026-07-13
The cabin pet service is not guaranteed at the counter. Request it when purchasing the ticket, or afterwards through the Contact Center up to 48 hours before the flight. Miss that 48-hour cutoff and the booking cannot be added. Set a reminder two days out. Confirm the service is attached to the reservation before arriving at the airport.

Frequently asked

How many pets can I bring on JetSMART?
JetSMART allows 1 in the cabin, per passenger. Each pet needs its own carrier.
How far in advance must I book my pet on JetSMART?
Add your pet to the booking at least 48 hours before departure — do it when you book the ticket, not at the airport.
What if my flight is delayed past my health certificate validity?
If the certificate window expires before you board, you'll need a re-issue. Build a 1-2 day buffer between the cert date and departure to absorb minor delays.
What happens if I forget a document?
At the destination airport: at best, an extended inspection while you produce backup; at worst, the pet is held in quarantine or returned to origin at your cost. Bring printed copies.
The carrier must meet all required conditions. A non-compliant carrier means the dog will not be allowed to board, and online check-in will be blocked. Measure the carrier against JetSMART's stated dimensions before departure day. Verify it fits under the seat. Test that the dog stands and turns inside. Bring the compliant carrier to check-in.
So the shape of a JetSMART trip is clear: cabin only, booked ahead, with a carrier that actually passes inspection. Get those three right and the flight itself is the easy part. Build your personalized plan with Pawgo's plan-builder for your exact route and dates, and it will hand you the checklist step by step. The science here is simpler than it sounds.
Get YOUR personalized plan for JetSMART →

Glossary

ISO chip
ISO 11784/11785 — the universal microchip standard.
FAVN
Fluorescent Antibody Virus Neutralization — a rabies serology test required by rabies-free destinations.
Brachycephalic
Snub-nosed breeds (French Bulldogs, Pugs, Persians, Himalayans) with restricted airline acceptance due to heat-stress risk.
AVIH
Animal Vehicle In Hold — IATA's term for cargo pet shipment, with fees that vary by carrier and route.