Travel crate for anxious Cavalier King Charles

Travel crates have very specific requirements depending on whether your dog is going by car, in a plane cabin, or in the hold — and airline regulations vary significantly between carriers, so getting this wrong can mean your dog simply can't board. Before I point you anywhere, I need a few details: what breed and size is your dog, how are you travelling (car, cabin, or hold), and if you're flying, which airline?

Important heads-up first: British Airways does not currently allow pets in the cabin on any of their routes — only assistance dogs are permitted. If you're set on BA, your Cavalier would need to travel in the hold as manifest cargo, which I'd strongly advise against for a brachycephalic breed. Many airlines restrict or ban flat-faced dogs in the hold entirely because of the heat and stress risks. Are you flexible on airline, or is BA fixed? And is this a UK domestic route, European, or long-haul?

KLM is a good shout — they do allow small dogs in the cabin on European routes, and a Cavalier typically qualifies by weight (under 8kg including carrier). Their cabin bag dimensions are 40 x 30 x 20cm, which is tight but workable. Now, for your specific situation — an anxious, flat-faced dog in a soft carrier — there's one product I'd point you straight to: the Sleepypod Air. It's specifically designed for anxious dogs, has a padded interior that feels den-like and secure, and crucially it's been tested to meet most major airline under-seat dimensions. The mesh panels give good airflow, which matters a lot for brachycephalic dogs who can overheat quickly. It also has a tether point so she can't bolt when you unzip it. For the anxiety side, I'd pair it with a couple of weeks of crate familiarisation at home before the trip — leave it open with her bedding inside so it stops feeling threatening.

At 7kg she'd need the regular size — the Sleepypod Air fits dogs up to roughly 7–8kg, so she's right at the upper edge. I'd weigh her in the next week or so and check against the current KLM weight limit including the carrier itself (the bag weighs around 1.5kg). If she's comfortably under 8kg total, you're fine. One practical tip for the anxiety: on travel day, don't feed her for a few hours before the flight to reduce nausea, and put a worn T-shirt of yours inside the carrier — familiar scent genuinely helps anxious dogs settle. Some owners also use Adaptil spray on the bedding 30 minutes before travel, which is worth trying at home first to see if she responds to it.

Yes — call KLM directly rather than relying on the website. Tell them your dog is a Cavalier King Charles Spaniel and ask specifically whether they have any brachycephalic breed restrictions on that route. Policies do change, and some airlines have added restrictions post-pandemic. Also book her as cargo-in-cabin at the time you book your ticket, not as an afterthought — spaces for pets in the cabin are limited per flight. And get a vet health certificate dated within 10 days of travel; most European routes require it. Your vet can also advise at that appointment whether a mild sedative is appropriate given her anxiety, though many vets are cautious about sedating brachycephalic dogs, so that's a conversation worth having in person.