Planning a trip with your furry friend on Spirit Airlines? You probably have one big question buzzing in your head: “Will my pet carrier actually fit?” Traveling with pets can be exciting, but the stress of airline regulations can quickly take the fun out of it. Spirit Airlines has specific rules about pet carriers, and if you get it wrong, your beloved companion might not be able to fly with you.
Finding a carrier that meets Spirit’s exact size requirements is tricky. Many carriers look fine, but they are just a little too big for the under-seat space. This uncertainty causes real anxiety for pet owners. You worry about last-minute gate rejections or uncomfortable flights for your pet. We understand this struggle completely.
This post cuts through the confusion. We will show you exactly what Spirit Airlines demands for in-cabin pet carriers. You will learn about the approved dimensions, essential features for comfort and safety, and see real examples of carriers that work perfectly. Stop guessing and start packing with confidence.
Top Pet Carrier For Spirit Airlines Recommendations
No. 1
Petskd Top-Expandable Pet Carrier 17x12x8.5 Inches JetBlue Allegiant Spirit Airline Approved, Soft-Sided Carrier for Small Cats and Dogs with Locking Safety Zippers and Anti-Scratch Mesh(Black)
- 【CHECK SIZE BEFORE BUYING】In order to fit the under-seat dimensions of airlines, this carrier can only fit small dogs and cats. We recommend that the pet size you carry be within 14"L x 9"W x 8"H(this carrer's inner size), please choose the carrier reference your pet's length and height. Reference pet weight: dog weight under 8LBS and cat weight under 10LBS.
- 【AIRLINE APPROVED CARRIER 】Unfolded size:17"L×12"W×(8.5+3.5)"H, Petskd pet carrier is TSA approved and can be placed under the seat in the cabin(after remove the wheel base), it is mainly designed for ①JetBlue Airlines ②Allegiant Airlines ③Spirit Airlines ④Frontier Airlines, but also in compliance with ⑤Southwest Airlines. We recommend you buy this carrier when you fly with the above-mentioned airlines.
- 【BETTER VENTILATION】Petskd pet carrier has mesh ventilation on 5 sides for good ventilation and good viewing—perfect for your pet to look out and for you to check on your pet;the Dog carrier has 3 openings, and each opening has two non-slip zippers to ensure pet safety.
- 【SAFE DESIGN】Soft dog travel carrier bag upgraded structural design of stainless steel and Fiber rod that makes our dog carrier bags for small dogs will not be out of shape or sagged and the top does not collapse, pet dog carrier bag preferable stability. Built-in adjustable rope buckle, easy to lock the collar. Zipped snap lock to avoid pets to open or grab open the zipper.
- 【DURABLE MATERIAL】Made of waterproof, non-toxic, scratch-resistant polyester fabric material, waterproof and wear-resistant; after comparing similar products, we upgraded the mesh material to effectively prevent pets from tearing the mesh with their nails and prevent pets from falling out of the carrier.
No. 2
Petskd Top-Expandable Pet Carrier 17x12x8.5 Inches JetBlue Allegiant Spirit Airline Approved, Soft-Sided Carrier for Small Cats and Dogs with Locking Safety Zippers and Anti-Scratch Mesh(Blue)
- 【CHECK SIZE BEFORE BUYING】In order to fit the under-seat dimensions of airlines, this carrier can only fit small dogs and cats. We recommend that the pet size you carry be within 14"L x 9"W x 8"H(this carrer's inner size), please choose the carrier reference your pet's length and height. Reference pet weight: dog weight under 8LBS and cat weight under 10LBS.
- 【AIRLINE APPROVED CARRIER 】Unfolded size:17"L×12"W×(8.5+3.5)"H, Petskd pet carrier is TSA approved and can be placed under the seat in the cabin(after remove the wheel base), it is mainly designed for ①JetBlue Airlines ②Allegiant Airlines ③Spirit Airlines ④Frontier Airlines, but also in compliance with ⑤Southwest Airlines. We recommend you buy this carrier when you fly with the above-mentioned airlines.
- 【BETTER VENTILATION】Petskd pet carrier has mesh ventilation on 5 sides for good ventilation and good viewing—perfect for your pet to look out and for you to check on your pet;the Dog carrier has 3 openings, and each opening has two non-slip zippers to ensure pet safety.
- 【SAFE DESIGN】Soft dog travel carrier bag upgraded structural design of stainless steel and Fiber rod that makes our dog carrier bags for small dogs will not be out of shape or sagged and the top does not collapse, pet dog carrier bag preferable stability. Built-in adjustable rope buckle, easy to lock the collar. Zipped snap lock to avoid pets to open or grab open the zipper.
- 【DURABLE MATERIAL】Made of waterproof, non-toxic, scratch-resistant polyester fabric material, waterproof and wear-resistant; after comparing similar products, we upgraded the mesh material to effectively prevent pets from tearing the mesh with their nails and prevent pets from falling out of the carrier.
No. 3
Wakytu TSA Approved Pet Carrier for Small Cats Dogs, Travel Bag with Adequate Ventilation, 5 Mesh Windows, 3 Entrance, Locking Safety Zippers, Padded Shoulder and Carrying Strap, Small
- 🐶【CHECK SIZE BEFORE PURCHASE】In order to match the airline's under-seat size, this carrier can only accommodate small dogs and cats. We recommend that you carry pets that measure 17.7 "long x11" wide x8.3 "high and weigh under 13LB cat or 9LB dog. Please do not only choose the luggage rack based on the weight, but also refer to the length and height of the pet. Maximum size requirements of major airlines for soft-sided pet carriers: ①American Airlines: 19x13x9"②United Airlines: 18x11x11"③Southwest Airlines: 18.5x13.5x8.5"④Alaska Airlines:17x11x11"⑤Air Canada:21.5x15.5x10.5"⑥Delta Air Lines: 21.5x15.5x10.5"
- 🐶【3 ENTRANCES & 5 SIDE VENTILATION】: The zippered design of the top, front and side entrances of the case makes it easy to put in and carry out your pet, making it faster and easier to remove your pet from pet carrier while traveling through security checks. 5 breathable mesh windows are designed to enhance visibility and ventilation, which can make them feel relaxed and calm.
- 🐶【STURDY & WASHABLE】: ①Wakytu cat carrier's 8mm fiber frame provides enough support to prevent the top from sagging. ②This pet carrier floor mat has a built-in 4mm honeycomb panel that is sturdy and durable to prevent the base from sagging when carried. ③The bottom is equipped with soft cushions for your pet to rest, and also absorbs moisture and some stains for easy cleaning.
- 🐶【WATERPROOF & ANTI-ESCAPE】: This cat carrier is made of high quality polyester fabric, strong and durable, light weight and waterproof. The rip-stop mesh design is not easily broken and prevents your pet from scratching, clawing or chewing through the pet bag in stressful situations. Built-in adjustable rope buckle, easy to lock the collar. Zipped snap lock to avoid pets to open or grab open the zipper.
- 🐶【QUALITY GUARANTEE】: Wakytu offers an 3-year warranty service, Quality problems within 3 years can be replaced for free new models. So if you have any problems with your product, please feel free to contact us by email and we will get back to you as soon as possible within 24 hours.
No. 4
Lekereise Top-Expandable Pet Carrier 18x13x9.5 Inch Southwest Frontier Airline Approved Soft Sided Underseat to 15lbs Travel Carriers for Small Cats Dogs with Locking Safety Zippers Anti-Scratch Mesh
- AIRLINE APPROVED CARRIER - Pet carrier for dog cat is TSA approved and placed under the seat in the cabin, mainly designed for ①Frontier Airlines, ②Southwest Airlines, We suggest checking carrier size with the airline before traveling. Kindly note: pet size you carry be within 17"L x 12"W x 8.5"H (inner size) and weight recommended max load of 15 LBS small cats and dogs, Please refer to your pet's length and height to choose the size of the carrier
- EXPANDABLE SPACE - Top-expandable designe Gaining more space to move around. It is easy for pets to stand and stretch, also creates a safe environment to avoid stress reactions anxiety while traveling
- BETTER BREATHABILITY - The small dog cat carrier has breathable mesh on three sides for a breathable, wide-open view for your pet to look out and for you to view and communicate with your pet
- MORE SAFELY - The pet carrier for dog cat is designed with upgraded structure of stainless steel and fiber rods, it is deformation or sagging, collapse and better stability. Zipper snap lock prevents pets from opening or scratching the zipper open
- STURDY FABRIC - Comparison of similar products made of waterproof, non-toxic, scratch-resistant and wear-resistant new fabrics, mesh material has been upgraded to effectively prevent pets from tearing the mesh with their nails, preventing pets from falling out of the pet carrier for dog cat
No. 5
Petskd Top-Expandable Pet Carrier 17x12x8.5 Inches JetBlue Allegiant Spirit Airline Approved, Soft-Sided Carrier for Small Cats and Dogs with Locking Safety Zippers and Anti-Scratch Mesh(Grey)
- 【CHECK SIZE BEFORE BUYING】In order to fit the under-seat dimensions of airlines, this carrier can only fit small dogs and cats. We recommend that the pet size you carry be within 14"L x 9"W x 8"H(this carrer's inner size), please choose the carrier reference your pet's length and height. Reference pet weight: dog weight under 8LBS and cat weight under 10LBS.
- 【AIRLINE APPROVED CARRIER 】Unfolded size:17"L×12"W×(8.5+3.5)"H, Petskd pet carrier is TSA approved and can be placed under the seat in the cabin(after remove the wheel base), it is mainly designed for ①JetBlue Airlines ②Allegiant Airlines ③Spirit Airlines ④Frontier Airlines, but also in compliance with ⑤Southwest Airlines. We recommend you buy this carrier when you fly with the above-mentioned airlines.
- 【BETTER VENTILATION】Petskd pet carrier has mesh ventilation on 5 sides for good ventilation and good viewing—perfect for your pet to look out and for you to check on your pet;the Dog carrier has 3 openings, and each opening has two non-slip zippers to ensure pet safety.
- 【SAFE DESIGN】Soft dog travel carrier bag upgraded structural design of stainless steel and Fiber rod that makes our dog carrier bags for small dogs will not be out of shape or sagged and the top does not collapse, pet dog carrier bag preferable stability. Built-in adjustable rope buckle, easy to lock the collar. Zipped snap lock to avoid pets to open or grab open the zipper.
- 【DURABLE MATERIAL】Made of waterproof, non-toxic, scratch-resistant polyester fabric material, waterproof and wear-resistant; after comparing similar products, we upgraded the mesh material to effectively prevent pets from tearing the mesh with their nails and prevent pets from falling out of the carrier.
No. 6
Pecute Expandable Pet Carrier Airline Approved Dog Cat Carrier, Breathable Soft-Sided with Locking Zippers, Pet Travel Bag for Small Dog Cat Anti-Scratch Mesh Leakproof Pee Pad (Dark Green)
- 【Airline Approved Pet Carrier】Pecute pet carrier size:16.5"L x 11"W x (9+4.7)"H.Product weight: 3.9lbs. Pecute pet carrier is airline approved and can be placed underneath the seat directly in front of you in the cabin. The following airlines are eligible: American Airlines(18"L x 11"w x11"H), D elta Airlines(18"L x 11"w x11"H), United Airlines(18"L x 11"w x11"H), Alaska Airlines(17"L x 11"w x9.5"H), Southwest Airlines(18.5"L x 13.5"w x9.5"H), Hawaiian Airlines(17"L x 11"w x9.5"H), Frontier Airlines(18"L x 14"w x11"H). Recommended for pets under 11 lbs.
- 【Stable Large Space】Before boarding, you can open the top expansion. Easily pull up the top extension to increase the activity space and allow your pet to move better. Stable & Large Internal Space: The stable frame design provides a strong frame for the pet bag, and the upper part can withstand a certain amount of weight, maintaining a stable interior space during transport. Allows your pet to enjoy ample space while traveling.
- 【 Breathable & Anti Scratch Mesh】Pecute expandable cat carrier has 4 mesh windows to increase the breathability of the carrier. The semi-visible window ensures optimal ventilation and creates a comfortable, hidden space for your pet, alleviating their anxiety during travel. The clever design also allows you to quietly monitor your pet's condition and provide comfort. The mesh window is made of high-quality materials and is scratch-resistant.
- 【Safe Locking Zippers & Clip-on Safety Leash】The dog carrier is equipped with airline-compliant, lockable double zippers for maximum security. The included safety leash securely clips to your pet's harness, avoiding unexpected escapes. Even the most adventurous pets remain safely inside, giving you complete peace of mind during travel.
- 【Reuseable Leakprrof Pee Pad & Storage Bag】The bottom of the pet carrier bag is equipped with a reusable leak-proof pee pad to avoid accidents when the pet is out. The side storage pocket can also store some necessities that the pet needs immediately.
No. 7
Petskd Top and Side Expandable Pet Carrier 17x12x8.5 Inches JetBlue Frontier Spirit Airline Approved, Soft-Sided Carrier for Small Cats and Dogs with Locking Safety Zippers and Anti-Scratch Mesh(Blue)
- 【CHECK SIZE BEFORE BUYING】In order to fit the under-seat dimensions of airlines, this carrier can only fit small dogs and cats. We recommend that the pet size you carry be within 14"L x 9"W x 9"H(this carrer's inner size), please choose the carrier reference your pet's length and height. Reference pet weight: dog weight under 8LBS and cat weight under 10LBS.
- 【AIRLINE APPROVED CARRIER 】Unfolded size:17"L×(12+5)"W×(8.5+3.5)"H, Petskd pet carrier is TSA approved and can be placed under the seat in the cabin, it is mainly designed for ①JetBlue Airlines:17x12.5x8.5"②Spirit Airlines:18x14x9"③Frontier Airlines:18x14x8", but also in compliance with ④Allegiant Airlines:19x16x9"⑤Southwest Airlines:18.5x13.5x9.5". We recommend you buy this carrier when you fly with the above-mentioned airlines. When you take the carrier on airplane, please fold the top and side expansion areas for the size of airline seat.
- 【BETTER VENTILATION】Petskd pet carrier has mesh ventilation on 5 sides for good ventilation and good viewing—perfect for your pet to look out and for you to check on your pet; the dog carrier has 3 openings, and each opening has two non-slip zippers to ensure pet safety.
- 【SAFE DESIGN】Soft dog travel carrier bag upgraded structural design of stainless steel and Fiber rod that makes our dog carrier bags for small dogs will not be out of shape or sagged and the top does not collapse, pet dog carrier bag preferable stability. Built-in adjustable rope buckle, easy to lock the collar. Zipped snap lock to avoid pets to open or grab open the zipper.
- 【DURABLE MATERIAL】Made of waterproof, non-toxic, scratch-resistant polyester fabric material, waterproof and wear-resistant; after comparing similar products, we upgraded the mesh material to effectively prevent pets from tearing the mesh with their nails and prevent pets from falling out of the carrier.
No. 8
pidipiti 19x13x9 TSA Approved top Expandable pet Carrier for Small Dog Puppy cat up to 10 lbs Weight and 18'' Length, for Southwest Spirit Lufthansa Airlines,Air Canada and Amtrak Train
- Recommended size :【Length of small dog is shorter than 18'',weight is under 10 lbs(cat up to 12 lbs), dog 6-10 lbs fit best,too large for dog under 5 lbs,a little small for dog 10-12 lbs,and too small for dog beyond 13 lbs】Please measure your pet length firstly,length is more important than weight to judge a pet can be carried or not. Make sure your pet is shorter than 18'',width is less than 13".DO NOT BUY THIS FOR adult medium / large dog or large cat to avoid wasting your money and time.
- 【FOR Southwest / Spirit / Air Canada/Lufthansa/Amtrak】 size of carrier is 19(L) x 13(W) x 9(H),it can be putted under the seat in cabin,it match the requirement of some airlines like Southwest / Spirit / Air Canada / Lufthansa,and also can be approved by Amtrak in train travel.
- 【Expandable Top provide more space for your pet】 This carrier have a 3.5'' height expandable top(fully extended),you can fold it down to put carrier under seat in cabin and pull it up to giving more space for pet in other travel time.Not like other similar products, expandable top in our product have a 5 sides meshes to provide better Air mobility and 360 degrees visual field for your pet.
- 【Stable and safety】 2 hard metal frames in 2 sides to keep stable and prevent collapse,frames only has a little elasticity to keep shape well,them can only bend to a few lower height(9 inchs to 8.5 inches),a hard wood padding to prevent bottom sinking. Double zipper lock,anti-scratch mesh and a tether in carrier to prevent pet escaping.
- 【A carrier for multi use,match your needs in travel】 this carrier also work in a short-medium distance car trip,like vet visit.Adjustable shoulder strap make carrying easily,2 pockets with zippers for storing objects for your pet in travel,soft padding in bottom is washable by hand.A adaptive training(load your pet into carrier and keep it away from anxiety) for your pet before travel is important.
The Ultimate Buying Guide: Flying Fido or Fluffy on Spirit Airlines
Taking your furry friend on a trip with Spirit Airlines requires the right gear. You need a pet carrier that fits their size limits and keeps your pet safe and comfy. This guide helps you choose the best one.
Key Features to Look For
When shopping for a Spirit Airlines-approved carrier, certain features matter most. These help you avoid airport stress.
1. Size and Dimensions
- Under-Seat Fit: Spirit Airlines requires the carrier to fit completely under the seat in front of you. Measure your carrier! Soft-sided carriers usually work best because they can squish a bit.
- Maximum Size Limits: Always check Spirit’s current pet policy online. Sizes change, but carriers are usually around 18″ x 16″ x 12″ (length x width x height) for under-seat storage.
2. Ventilation and Visibility
- Mesh Panels: Good ventilation is crucial for your pet’s breathing. Look for carriers with mesh panels on at least three sides.
- Easy Viewing: You should be able to see your pet easily. This helps you check on them during the flight.
3. Comfort and Security
- Waterproof Bottom: Accidents happen. A waterproof or leak-proof bottom liner makes cleanup simple.
- Shoulder Strap and Handles: You will carry this through the airport. Make sure it has a comfortable, adjustable shoulder strap and sturdy handles.
Important Materials
The material affects durability, weight, and comfort.
Soft-Sided vs. Hard-Sided
For Spirit Airlines, soft-sided carriers are strongly recommended. They bend slightly to fit snugly under the seat. Hard-sided carriers rarely fit the specific dimensions required.
Durable Fabrics
Look for high-denier nylon or polyester. These fabrics resist rips and tears. Zippers should be heavy-duty metal, not cheap plastic. Strong stitching prevents blowouts when your pet shifts weight.
Factors That Improve or Reduce Quality
Quality impacts how long the carrier lasts and how safe your pet feels.
Improving Quality
- Internal Frame Support: Good carriers often have light internal support rods. These keep the shape stable even when the carrier is squeezed under the seat.
- Fleece or Removable Pad: A thick, washable fleece pad makes the ride much softer for your pet.
Reducing Quality (Watch Outs)
- Flimsy Zippers: Cheap zippers often break open mid-trip. This is a major safety risk.
- Thin Mesh: If the mesh is thin, your pet might scratch through it. Also, thin mesh blocks airflow.
- No Top Opening: While not always Spirit-approved, sometimes you need to quickly comfort your pet. Carriers with a top opening offer better access.
User Experience and Use Cases
Think about how you travel. Are you running through the airport or taking a slow taxi ride?
Airport Navigation: If you have lots of luggage, a lightweight carrier is a lifesaver. You will carry this carrier, your personal item, and likely roll your main bag.
Pet Comfort: A carrier should be big enough for your pet to stand up, turn around, and lie down naturally. If the trip is long, choose the largest carrier that still fits Spirit’s dimensions. A happy pet makes for a much smoother flight experience.
10 FAQs About Spirit Airlines Pet Carriers
Q: Does Spirit Airlines allow hard-sided carriers?
A: Spirit strongly prefers soft-sided carriers because they must fit entirely under the seat. Hard carriers rarely meet the exact size rules.
Q: What is the exact size limit for Spirit pet carriers?
A: Spirit’s in-cabin pet carrier dimensions can change. You must check their official website right before you book, but generally, carriers must fit within the under-seat space, usually around 18″ x 16″ x 12″.
Q: Do I need to buy a special “Spirit Approved” carrier?
A: No, there is no special brand required. You need a carrier that meets their size and safety requirements. The key is the measurement, not the label.
Q: Can my pet carrier count as my personal item?
A: Yes, the pet carrier counts as your one personal item if it fits under the seat in front of you. You cannot bring a separate personal bag.
Q: How many pets are allowed per flight?
A: Spirit only allows a limited number of pets per cabin. You must reserve space for your pet when you book your ticket, not just show up at the gate.
Q: What kind of padding is best inside the carrier?
A: A thick, washable fleece or memory foam pad works best. This keeps the pet comfortable during takeoff and landing.
Q: Should the carrier have a top zipper or just a front zipper?
A: A top zipper helps you quickly comfort your pet without fully opening the front, which is helpful in tight spaces like the airplane seat area.
Q: Are carriers with wheels okay for Spirit?
A: No. Wheels add height and length. Spirit requires the carrier to fit completely under the seat, so carriers with wheels are usually too big.
Q: What should I do if my carrier doesn’t fit under the seat?
A: If the flight attendant asks you to try fitting it, and it doesn’t go under, you may have to check the carrier into the cargo hold, which is risky and expensive. Always test the fit at home first!
Q: Do I need to put a blanket over the carrier during the flight?
A: While some people do this for nervous pets, ensure you do not block the ventilation holes. Good airflow is more important than complete darkness.