Preparing Your Cavalier King Charles Spaniel for Air Travel

Through Dexter’s 15 years of life, we had countless adventures together, but every single one was by car. At nearly 30 pounds, flying in the cabin wasn’t an option for him, and I would never consider putting a dog in cargo. Now, with Stewart, I have the opportunity to travel by plane since he will be between 16 and 18 pounds as an adult, which is small enough to fit in an airline-approved travel crate under the seat.

I have to admit, I’m a little nervous. It’s been almost 30 years since I last flew, and my experience wasn’t great. But I’m determined to make this a smooth process for both Stewart and myself. In September, we’ll be flying from Detroit to Portland, Maine, and I want to make sure Stewart is as comfortable and confident as possible for his first airplane trip.
Preparing Stewart, My Cavalier King Charles Spaniel for Air Travel
Since Stewart has never flown before, I’m taking a step-by-step approach to help him get used to every part of the travel experience. This isn’t just about the flight itself; it’s about everything leading up to it, from riding in his crate in the car to being in a busy airport environment.

Teaching a Cavalier to Enjoy a Travel Crate
One of the biggest adjustments for a Cavalier is spending time in a small, enclosed space. Since Stewart isn’t crate trained and has some separation anxiety, I’m taking extra care to make his travel crate a safe and positive space. An airline-approved travel crate is a much tighter fit, so here’s how I’ve been getting him used to it:
- Introducing the Crate Indoors – I started with short training sessions, luring Stewart into the travel crate with treats and rewarding him for stepping inside. Since it’s a tight fit, I guided him to turn around and reinforced him for doing so. Once he was comfortable moving inside, I worked on having him stay in the crate for a few seconds before rewarding and letting him out, gradually increasing the duration.

- Crate Inside a Crate – To help him transition smoothly to riding in the travel crate, I placed it inside his larger crate in the van. Since he was already used to the big crate, this made it feel more familiar. For the first couple of weeks, I left the travel crate unzipped, but zipped up the larger crate.
Stewart learning how to travel in his airplane approved carrier. - Zipping Up While Driving – Once he was comfortable, I started zipping up the travel crate while still inside the larger crate. This allowed him to experience confinement in a secure way without making a sudden change.
Stewart zipped up in his carrier. - Removing the Larger Crate – The next step will be taking the travel crate out of the big crate so that he’s riding in just the small one. By gradually adjusting him to this setup, he won’t even notice the change!

Socialization and Confidence Building
Beyond the crate, I want to make sure Stewart is confident in all the different environments he’ll encounter on our trip.
- Walking Politely on a Leash – Stewart will need to walk calmly on a leash through the airport. We’ve been practicing polite walking in various places with different surfaces and distractions. I will continue this training with busy locations as we progress through his training.
- Exposure to Crowds and Noises – Airports are full of noises; baggage carts, intercom announcements, rolling suitcases. I’m taking Stewart to different places where he can experience a variety of sounds and people in a controlled way.
- Getting Used to Security Procedures – At TSA checkpoints, I’ll need to take Stewart out of his crate and carry him through security. To prepare, I’ll work on calmly lifting him out of his crate and holding him in busier environments, helping him get comfortable with the experience before our trip.

Preparing for Time in the Airport
Most airports have designated pet relief areas, but access to them depends on the layout of the airport and TSA procedures. Some airports have relief areas before security, while others have them post-security. Since Stewart will be crated during the drive and throughout check-in and security, I’ll plan ahead to find out if there’s an opportunity for a potty break before we go through security. If not, I’ll make sure he’s had plenty of time to potty before we leave for the airport.

- Practicing Extended Crate Time – I’ve been gradually increasing the amount of time Stewart spends zipped up in his crate, so he’s comfortable being inside for longer periods.

- Planned Potty Breaks – Since dogs can’t relieve themselves once past security, I’ll make sure to take Stewart to the airport’s designated pet relief area before heading to the gate. This is also why I teach my dogs how to potty on cue; it makes it easier to ensure they go when needed, especially in situations like this where time and access are limited.

The Flight Itself
The actual flight is the final step in our preparation. Since Stewart will be in his crate under the seat for the duration of the flight, I want to make sure he’s as comfortable as possible.

- Calm, Positive Associations – I’m making sure that his crate time is always associated with good things; treats, chew items, and a cozy space.
- Chews and Enrichment for the Flight –I’ll bring along a few safe chews and likely my slippers to provide comfort for Stewart during the flight.
- Staying Calm Myself – Dogs pick up on our emotions, so I’ll be focusing on staying relaxed and making this feel like just another routine adventure for Stewart.

Final Thoughts
Traveling with a Cavalier King Charles Spaniel on a plane takes preparation, but with gradual exposure and a positive approach, it can be a smooth experience. My goal is to make sure Stewart feels safe, confident, and comfortable every step of the way. While I’m still a bit nervous about my first flight in 30 years, I know that by preparing Stewart properly, we’ll both be ready for our adventure to Maine.
A big thank you to all of our Cavalier friends who sent us their travel photos! Don’t forget to follow them on social media.

Have you traveled with your Cavalier on a plane? I’d love to hear about your experiences in the comments!
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