Traveling with a pet can feel like trying to smuggle a tiny, anxious roommate through airport security. One moment you’re juggling a leash, a carrier, and a water bottle, the next you’re Googling things you never thought you’d ask: “Can I bring kibble in my carry-on?” “Does my cat really have to walk through the metal detector?”
Here’s the truth: the TSA has rules, but they aren’t always crystal clear—and airlines often have their own extra hoops. That’s why so many pet parents end up stressed, confused, and sometimes stuck with a TSA officer giving side-eye to a bag of “hydrated venison.”
But it doesn’t have to be that way. With the right prep, traveling with your furry co-pilot can be smoother than your in-flight wine. Let’s break it down.
Carriers, Leashes & the TSA Dance
First things first: carriers are allowed. TSA doesn’t set size rules—the airlines do. If it fits under the seat, you’re good.
At security, here’s how it plays out:
Pet comes out of the carrier.
Carrier goes through the X-ray.
You walk or carry your pet through the metal detector.
TSA may swab your hands, leash, or harness.
Service animals? They stay leashed and go right through with you. Emotional support animals? Sorry, not covered anymore. They’re treated like pets, subject to airline rules.
Pro tip: If your pet is nervous, ask for a private screening room. Yes, it’s a thing.
And please, leash or harness your pet even if you’re carrying them. You’d be amazed how many cats suddenly turn into Olympic sprinters in an airport.
Pet Food & TSA’s “Granola Test”
Good news: dry food is totally fine. Kibble, biscuits, freeze-dried treats—they’re treated like granola.
Allowed in carry-on:
Dry food and treats (sealed if possible).
Collapsible bowls and empty bottles (fill them after security).
Small wet food containers (under 3.4 oz).
Potential issues:
Canned food, gravy packs, broths, and gels—these follow the liquids rule. Over 3.4 oz? They go in checked luggage.
Ice packs are fine if they’re completely frozen.
If your pet has allergies or prescription food, keep a note or photo of the label. Explaining “powdered venison” to TSA is easier with proof.
Medications & Supplements
Pet meds are treated just like yours.
Pills, chewables, and liquids are all allowed.
Larger liquid meds are fine if declared.
Calming treats and supplements usually pass, but check for CBD or hemp—rules vary by airline and state.
Pro tip: Keep all meds, vaccination records, and vet contacts in one folder. You’ll thank yourself if questions come up.
Comfort Kits: What to Pack
Flying isn’t just about getting through TSA—it’s about keeping your pet comfortable in the air.
Grooming: Brushes, combs, nail clippers under 4 inches are fine. Scissors? Only short ones.
Wipes & sprays: Allowed under 3.4 oz in carry-on.
Toys: Soft toys are great. Avoid squeaky grenades or anything with electronics—TSA doesn’t love surprises.
Bedding: Blankets and shirts with your scent calm pets, but roll them tight to avoid extra screening.
Pack food, meds, and comfort items together so TSA inspects once, not three times.
Checked Bags: What Goes Where
Yes, you can put extra food, leashes, toys, and blankets in checked luggage.
But never, ever, ever put your pet in a suitcase. Airlines handle live animals separately through cargo or in-cabin programs.
For pets flying cargo:
Use an airline-approved crate.
Label it with contact info and “Live Animal.”
Keep it unlocked until the airline clears it.
If you’re bringing frozen food, make sure ice packs are solid at check-in. Melted packs may get tossed.
International note: Some countries don’t allow meat-based pet food. Always check ahead.
Final Takeoff Checklist
Let’s recap the must-knows for smooth skies:
✅ Use a soft-sided carrier approved by your airline.
✅ Remove your pet at screening—leash or harness on.
✅ Dry food and treats? Good to go. Wet food? Under 3.4 oz or checked.
✅ Pack meds and records in one travel folder.
✅ Never check your pet in luggage—only airline-approved carriers or cargo programs.
When in doubt, message AskTSA on Twitter or Facebook. They’re surprisingly fast and helpful.
Traveling with pets doesn’t have to feel like smuggling a hamster through airport security. With a little planning, your only worry will be which window seat your co-pilot gets.