Hey, I'm Marco — Here's What I Learned Flying Mochi on Jetstar Japan

I've flown my 6kg French Bulldog, Mochi, across Asia more times than I can count. And here's what nobody tells you: Jetstar Japan doesn't allow pets in the cabin. Yeah, I found that out the hard way. But before you panic, there are still options — and I'm going to walk you through exactly what works and what doesn't.

This guide covers everything you need to know about flying with cats, dogs, or other pets on Jetstar Japan (GK). I'll be straight with you about the restrictions, the gotchas, and what you actually need to do before you book.

Can You Fly with Pets on Jetstar Japan?

Cabin: No pets allowed. Jetstar Japan's policy is clear — there are no cabin pets on this airline. Not even tiny Chihuahuas. Not even emotional support animals (we're still verifying their service animal policy — contact Jetstar Japan directly to confirm).

This was a shock to me because I'd flown Mochi in the cabin on other carriers. But here's the thing: every airline is different, and Jetstar is stricter than most budget carriers.

Cargo & Checked Baggage: Possibly, but with major restrictions. Jetstar Japan does accept pets in cargo and checked baggage — but there are serious limitations, especially for certain breeds.

The Brachycephalic Breed Problem (Yes, This Affects Mochi)

Here's where I learned a painful lesson. Mochi is a French Bulldog — a brachycephalic breed (snub-nosed). And most airlines, including Jetstar Japan, restrict or ban brachycephalic breeds entirely due to respiratory risks during flight.

The industry-standard restricted breeds list includes:

  • French Bulldogs (yes, Mochi)
  • Pugs (all breeds)
  • Bulldogs (all breeds)
  • Boxers
  • Boston Terriers
  • Shih Tzus
  • Pekingese
  • Chow Chows
  • Japanese Chins
  • Cavalier King Charles Spaniels
  • Lhasa Apsos
  • Shar Peis
  • And many others — see the full list here

For cats, the restricted list includes Persians, Himalayans, Exotic Shorthairs, Burmese, Scottish Folds, and British Shorthairs.

My advice: If your pet is brachycephalic, contact Jetstar Japan directly before booking anything. Don't assume. I've seen people show up at the airport only to be denied boarding. It's heartbreaking and expensive.

Cargo Travel: What You Actually Need to Know

If Jetstar Japan accepts your pet in cargo, here's what the requirements are:

Carrier Requirements for Cargo

  • Hard-sided crate only. Soft-sided carriers won't work for cargo. Your pet needs a sturdy, IATA-compliant hard crate.
  • Ventilation on at least three sides. Your pet needs to breathe — this is non-negotiable.
  • Attached water bowl. The bowl must be accessible from outside the crate so ground staff can refill it.
  • Absorbent liner inside. Accidents happen during travel. You need an absorbent mat or pad inside the crate.
  • "Live Animals" labels required. Your crate must display proper IATA live animal labels with orientation arrows.

Temperature Restrictions (This Is Critical)

Here's something I wish someone had told me earlier: airlines refuse to transport pets if temperatures are too extreme.

  • Heat embargo: 29.4°C (85°F). If the tarmac temperature at origin or destination exceeds this, your pet won't fly. Summer travel to hot destinations? You might be blocked.
  • Cold embargo: -6.7°C (20°F). Winter travel to cold regions can also be blocked. You can get an acclimation certificate from your vet to allow travel in colder conditions, but it's not guaranteed.

I learned this the hard way when I tried to fly Mochi to Bangkok in July. The heat embargo kicked in, and I had to reschedule. Check the weather forecast for your destination before booking.

Age Requirements

  • Minimum 10 weeks old for cargo travel. Your pet must be fully weaned.

Pregnant Animals

Most airlines, including Jetstar Japan, do not accept visibly pregnant animals. The stress and pressure changes during flight pose serious health risks. If your pet is pregnant, confirm directly with the airline — but expect a "no."

Checked Baggage: Same Rules as Cargo

If Jetstar Japan allows pets in checked baggage, the requirements are identical to cargo:

  • Hard-sided IATA-compliant crate
  • Ventilation on at least three sides
  • Attached water bowl
  • Absorbent liner
  • "Live Animals" labels
  • Same temperature embargoes apply
  • Minimum 10 weeks old

Health Certificates: Non-Negotiable

You absolutely need a vet-issued health certificate. Even if Jetstar Japan's website doesn't mention it, you will be checked at the airport. I've seen people denied boarding because they didn't have one.

  • Validity: 10 days maximum. Get it issued as close to your departure date as possible. Some destinations require 7 days, so don't risk it.
  • What it covers: Your vet confirms your pet is healthy, vaccinated (especially rabies), and fit to fly.
  • Cost: Usually ¥3,000–¥8,000 (roughly $20–$55 USD) depending on your vet.

Pro tip: Schedule your vet appointment at least 2 weeks before travel. Vets get busy, and you don't want to be scrambling for an appointment 3 days before your flight.

Sedation: Don't Even Think About It

I know flying is stressful for pets. But here's the hard truth: IATA regulations prohibit sedating pets during air travel. A sedated animal cannot maintain equilibrium or respond to emergencies. This applies to virtually all commercial airlines worldwide.

Don't sedate your pet unless explicitly instructed by both your vet and the airline. And honestly, that almost never happens.

Pre-Booking: You Must Book in Advance

You cannot show up at the airport with a pet without prior arrangement. Airlines limit the number of pets per flight, and you need to pre-book.

  • Contact Jetstar Japan directly to arrange pet travel
  • Provide your pet's details (breed, age, weight, health status)
  • Confirm all restrictions apply to your specific pet
  • Get written confirmation before you book your flight

I learned this lesson when I tried to book Mochi's flight online and then call the airline. The agent told me I should have called first. Always call first.

Key Numbers at a Glance

  • Cabin pets allowed: No
  • Cargo/checked baggage pets: Possibly (confirm breed restrictions)
  • Cabin pet fee: N/A (not allowed)
  • Cargo pet fee: We're still verifying this — contact Jetstar Japan directly
  • Minimum age (cargo): 10 weeks
  • Minimum age (cabin): 8 weeks (N/A — no cabin pets)
  • Health certificate validity: 10 days maximum
  • Heat embargo: 29.4°C (85°F)
  • Cold embargo: -6.7°C (20°F)
  • Brachycephalic breeds: Restricted (confirm with airline)
  • Sedation allowed: No
  • Pregnant animals: Not accepted
  • Pre-booking required: Yes

What You Need to Do: Your Pre-Flight Checklist

  • Step 1: Confirm your breed isn't restricted. Call Jetstar Japan and ask if your specific pet can fly. Don't assume.
  • Step 2: Check the weather. Look up tarmac temperatures for your origin and destination. If it's above 29.4°C or below -6.7°C, you might be blocked.
  • Step 3: Schedule a vet appointment. Book 2 weeks before travel. Get a health certificate issued within 10 days of departure.
  • Step 4: Get an IATA-compliant hard crate. If flying cargo/checked baggage, invest in a proper crate with ventilation, water bowl, and absorbent liner.
  • Step 5: Pre-book with Jetstar Japan. Call the airline directly. Provide pet details. Get written confirmation.
  • Step 6: Prepare your pet. Get your pet acclimated to the crate weeks in advance. Don't wait until the day before.
  • Step 7: Arrive early at the airport. Give yourself extra time for pet check-in procedures.

Alternatives to Consider

If Jetstar Japan won't accept your pet, consider these options:

  • Other airlines: ANA, JAL, and international carriers may have different policies. Compare before you book.
  • Pet relocation services: Professional pet movers handle all logistics. It's expensive but takes the stress off you.
  • Delay your trip: If temperatures are embargoed, wait for better weather. Your pet's safety is worth it.

Final Thoughts from Someone Who's Been There

Flying with Mochi has taught me that airline pet policies are strict for good reasons. Pets are vulnerable during air travel, and airlines take that seriously. It's frustrating when your favorite airline won't accept your pet, but there are usually alternatives.

The key is planning ahead. Don't book your flight and then figure out pet logistics. Do it the other way around: confirm your pet can fly, then book your ticket.

And if you're flying with a brachycephalic breed like Mochi, be extra cautious. Call the airline. Get it in writing. Don't take chances.

Need help planning your pet's travel? Get your free personalized travel plan from Pawgo — they'll handle the research so you don't have to.

Data auto-verified from official Jetstar Japan sources and industry standards. Last updated: January 2025. Always confirm directly with Jetstar Japan before booking — policies can change.

Auto-generated from verified data · Last updated: April 21, 2026