Flying with your pet from Colorado Springs doesn’t have to be a guessing game. Colorado Springs Airport (COS) offers direct and connecting flights across the U.S., and several airlines have structured pet travel programs that prioritize safety, comfort, and clear communication. Whether you’re relocating, vacationing, or visiting family, choosing an airline that treats your animal as more than cargo makes all the difference. This guide walks you through the top carriers, their policies, and practical steps for a smooth experience at 30,000 feet.

Key Takeaways

  • Alaska Airlines, American Airlines, Delta, Frontier, Southwest, and United serve Colorado Springs with distinct pet travel rules.
  • In-cabin travel is limited to small pets; larger animals must travel in climate-controlled cargo holds.
  • Pre-flight planning includes health certificates, airline-approved carriers, and early booking.
  • COS has designated outdoor pet relief areas and ground transportation options that accommodate animals.
  • Breed restrictions, seasonal embargoes, and per-flight limits impact availability year-round.

Top Airlines for Pet Travel from Colorado Springs

Colorado Springs Airport is served by most major domestic carriers. Each has its own approach to pet transport—some allow only small cats and dogs in the cabin, others operate robust cargo programs for larger breeds, and a few stand out for their policy clarity and fee transparency. Below is a breakdown of the six primary airlines at COS and what they offer for pet owners.

Alaska Airlines: A Pet-Friendly Leader

Alaska Airlines consistently receives high marks from pet owners flying out of Colorado Springs. The airline allows dogs, cats, rabbits, and household birds in the cabin on most flights for a fee of $100 each way. In-cabin pets must remain inside a soft-sided or hard-sided carrier that fits under the seat. The carrier dimensions cannot exceed 17″ x 11″ x 7.5″ (hard-sided) or 17″ x 11″ x 9.5″ (soft-sided), and the animal must be able to stand and turn around comfortably. Only one pet carrier per ticketed passenger is permitted, with a maximum of two carriers per person if an adjacent seat is purchased.

Alaska also offers cargo travel for larger animals through its Pet Connect™ program, though availability from COS depends on aircraft type and season. Cargo rates start around $150 and increase with kennel size. Alaska’s temperature-controlled cargo hold is monitored by ground crews, and the airline avoids transporting animals when temperatures exceed 85°F or drop below 20°F on the ground. Brachycephalic (snub-nosed) breeds are accepted in cabin but restricted in cargo. Advance booking is essential—pets in cabin are limited to a few per flight, and cargo spots fill quickly. For the latest fees and restrictions, review the Alaska Airlines pet policy.

American Airlines: In-Cabin and Cargo Options

American Airlines operates multiple daily departures from COS and allows pets in the cabin for a $125 fee each way. Dogs and cats are the only species accepted inside the passenger cabin. The carrier must fit under the seat and not exceed 19″ x 13″ x 9″. Pets must be at least 8 weeks old and fully weaned. Passengers may bring one carrier with a single animal; the animal counts as a carry-on item, so plan carry-on luggage accordingly.

For larger pets, American Airlines Cargo provides a dedicated Priority Parcel Service for live animals. Cargo pets must have a health certificate issued within 10 days of travel (30 days for return trips) and meet additional age and breed requirements. American does not transport snub-nosed dogs or cats in cargo on flights where the ground temperature exceeds 85°F. Reservations for cargo must be made through American Airlines Cargo directly, not the ticketing website. Fees vary by kennel size and destination but generally start around $200. Detailed information is available on the American Airlines pets page.

Delta Air Lines: Strict Policies and Premium Care

Delta’s pet program is known for its rigorous standards, which many owners appreciate. From Colorado Springs, Delta accepts small dogs, cats, and household birds in the cabin for a $95 fee each way for U.S. travel. The carrier must fit under the seat and be leak-proof and ventilated on at least two sides. The maximum carrier size is 18″ x 11″ x 11″. Only one pet per container is allowed, and each passenger may bring only one carrier. Cabin pets must remain inside for the entire flight.

Delta Cargo offers a specialized pet shipping service called Delta Cargo Live. This is intended for animals traveling unaccompanied or as checked baggage. Reservations are required at least 14 days in advance, and health certificates are mandatory. Delta applies aggressive temperature controls and will not accept snub-nosed breeds for cargo from May 15 through September 15. In addition, Delta no longer allows pets as checked baggage on most domestic itineraries unless booked through a professional pet shipper. This shift makes Delta a better option for cabin travelers, but more complex for cargo moves. For full requirements, consult the Delta pet travel overview.

Frontier Airlines: Affordable In-Cabin Travel

Frontier Airlines operates a large number of budget routes from Colorado Springs and permits small domestic animals—dogs, cats, rabbits, guinea pigs, hamsters, and small birds—in the cabin for a $99 fee each way. Only dogs and cats are accepted on international flights. The carrier must fit under the seat (max 18″ x 14″ x 8″) and must be soft-sided to compress slightly if needed. Each ticketed passenger may bring one pet carrier, and only one pet per carrier is allowed except for small animals of the same species that are comfortable together.

Frontier does not transport pets as checked baggage or cargo. That means only in-cabin pets are accommodated, effectively limiting the program to animals that weigh under 20 pounds with the carrier. There are no temperature restrictions for cabin pets, but the airline limits the total number of pets per flight to 10. Booking early is critical, especially during peak travel periods. Owners should review the Frontier pet policy before purchasing tickets.

Southwest Airlines: Cabin Only, No Cargo

Southwest is a favorite for leisure travelers out of Colorado Springs, and its pet policy is straightforward: only dogs and cats are allowed in the cabin, for a $125 fee each way. Southwest does not accept pets for cargo or as checked baggage. The carrier must fit under the seat (max 18.5″ x 13.5″ x 9.5″) and be leak-proof and well-ventilated. Only one carrier per passenger is permitted, and the pet counts as one carry-on item. Southwest allows six pet carriers per flight, so reservation is on a first-come, first-served basis at the ticket counter or through the call center—online booking for pets is not available.

All animals must be at least 8 weeks old and healthy. There are no breed restrictions for in-cabin travel, but aggressive animals or those in distress may be denied boarding. Southwest’s pet-friendly reputation is bolstered by consistent enforcement of these rules and a simple fee structure. Check the Southwest traveling with animals page for the most current details.

United Airlines: PetSafe Cargo Program

United Airlines serves COS through its Denver hub and offers both in-cabin and cargo options. In-cabin pets (cats and dogs only) are accepted for a $125 fee each way, with a carrier limit of 18″ x 11″ x 11″. United’s policy permits one pet per passenger, with a maximum of two per flight depending on aircraft type. Cabin pets are not permitted on international flights to certain destinations, so verify the route before booking.

For larger animals, United operates the PetSafe program, a dedicated live-animal cargo service. Reservations through PetSafe are handled separately from standard ticket purchases and can be made up to 30 days in advance. Health certificates, within 10 days of travel, are required. United enforces seasonal embargoes on snub-nosed breeds and will not transport them during summer months. The PetSafe program includes climate-controlled vehicles and specialized holding areas at major hubs, but not all routes are available from COS. To learn more, visit the United animal travel page.

Comparing Pet Policies: Cabin vs. Cargo

Understanding whether your pet will fly in the cabin or as cargo shapes the entire travel plan. In-cabin travel is the preferred method for small animals that fit in under-seat carriers, but space is extremely limited. Most airlines cap cabin pets at four to six per flight, and carriers must remain stowed for the entire duration. This option is ideal for cats, small dogs, and rabbits that weigh under 20 pounds with the carrier. The in-cabin fee typically ranges from $95 to $125 each way.

Cargo travel is designed for medium and large dogs, or for animals traveling without their owners. Airlines transport pets in pressurized, temperature-controlled cargo holds, but the experience can be more stressful for the animal because of engine noise and unfamiliar sensations. Cargo fees are higher—starting around $150 and increasing to over $400 for large kennels. Health certificates, vaccination records, and advance reservations are non-negotiable. Some breeds, particularly brachycephalic (flat-faced) dogs and cats, are banned from cargo year-round on certain carriers due to breathing difficulties. When flying from Colorado Springs, cargo availability is often more limited because of aircraft size and seasonal temperature extremes, so plan far ahead.

Preparing Your Pet for Air Travel

Health and Vaccination Requirements

Start with a visit to a USDA-accredited veterinarian at least three weeks before departure. The vet will perform a physical exam, confirm vaccinations are current, and issue a health certificate if your airline requires one. For domestic cargo shipments, most airlines require a certificate dated within 10 days of travel. International travel often involves additional blood tests and endorsements from the USDA or destination country.

Standard vaccines like rabies and distemper are mandatory across all carriers. The pet must be at least 8 weeks old and fully weaned; some airlines set the minimum age at 10 weeks for certain breeds. If your pet requires medication during the flight, discuss it with the vet beforehand. Sedation is not recommended by most airlines because it can affect respiratory and cardiovascular function at altitude. Instead, natural calming aids and familiar items in the carrier often work better. Check the USDA pet travel page for international guidelines.

Choosing the Right Carrier or Crate

The carrier is your pet’s safe space in transit, and every airline has specific size and construction requirements. For cabin travel, soft-sided carriers are preferred because they can compress slightly under the seat. Hard-sided carriers are also acceptable but must fit the exact dimensions. Look for carriers with mesh ventilation panels, secure zippers, and a waterproof bottom. Pads or a familiar blanket can help your pet settle.

For cargo travel, a rigid, IATA-compliant crate is required. The crate must be made of hard plastic or metal, with ventilation on all four sides, a secure door with central locking mechanism, and a solid floor with absorbent lining. Affix “Live Animal” stickers and label the crate with your name, phone number, and destination address. Food and water dishes must be attached to the interior of the door and accessible from outside without opening the crate. Test the crate at home for several weeks before the flight; let your pet explore and sleep in it so the environment becomes familiar.

Booking Procedures and Fees

Notify the airline that you are traveling with a pet as soon as you book your own ticket. In-cabin pet spots are sold on a first-come, first-served basis, and there is no way to guarantee availability without an advance reservation. Some airlines let you add a pet during online booking; others require a phone call. For cargo, always call the airline’s live-animal desk directly. Provide the pet’s weight, kennel dimensions, and travel dates when making the reservation.

Pay all pet fees at the time of booking or check-in. Keep receipts, as some corporate relocation programs or flexible spending accounts may cover these costs. Fees are non-refundable unless the airline cancels the flight. On travel day, arrive at Colorado Springs Airport at least 2 hours before departure for in-cabin pets and 3 hours for cargo drop-off. You will need to present the health certificate and any required vaccination records at the check-in counter. Loaded kennels will be wrapped with a seal, and you may be asked to wait until the animal is loaded before proceeding to the gate.

Colorado Springs Airport (COS): What to Expect

Colorado Springs Airport is relatively small, which works in your favor when managing a pet. Check-in lines are shorter, and the layout allows you to move quickly from the curb to the gate, reducing the time your pet spends out of its comfort zone. Still, knowing the terminal’s pet facilities and ground transportation options can prevent unnecessary hurry.

Pet Relief Areas at COS

COS provides two outdoor pet relief areas located at the north and south ends of the terminal, just outside the baggage claim and ticketing levels. These spaces are fenced, allowing you to let a dog off-leash (under supervision) to stretch and relieve itself. Waste stations with bags and disposal bins are available. Always carry your own water bowl and leash, as there are no water fountains inside the relief areas. Use these zones before proceeding through security, as pets are not permitted inside secure areas except for working service animals. If your connection is tight, factor in time for a final bathroom break before heading to the TSA checkpoint. More details can be found on the COS pet relief page.

Ground Transportation and Pet-Friendly Travel

The primary zip code for the airport is 80916, and transportation options nearby are generally accepting of pets if you plan ahead. Ride-share services like Uber and Lyft offer pet-friendly ride types in some markets—check in-app availability. Standard rides often allow a cat or small dog in a carrier if you message the driver after booking. Taxis from the airport grounds allow pets in carriers without an extra charge, but confirm before loading. Several rental car agencies at COS, including Hertz and Enterprise, allow pets as long as they remain crated and the vehicle is returned clean. Cleaning fees apply for excessive hair or damage, so bring a seat cover or blanket. For those relying on public transportation, the local Mountain Metro Transit system permits small pets only if they are in a secure, enclosed carrier. Larger dogs are not allowed on buses. The most straightforward option from COS remains a private car or a pre-arranged pet shuttle, which can be booked through local pet transport companies.

Tips for a Stress-Free Flight with Your Pet

Reduce anxiety on travel day with a few consistent habits. Feed your pet a light meal four hours before the flight to prevent an upset stomach. Provide water until an hour before heading to the airport, then pick up the bowl. Exercise your dog earlier in the day so it is calm, but do not exhaust it. Place a familiar-smelling toy or unwashed t-shirt in the carrier to provide reassurance. At TSA, you will be asked to remove the pet from the carrier and walk through the metal detector while the carrier is screened. Practice this at home so your pet is accustomed to being handled briefly. Once on board, keep the carrier completely closed under the seat, even if the animal whines initially. Most settle down once the engines reach cruising altitude. If you are traveling with a cargo animal, inform the flight crew so they can confirm with ground personnel that the animal was loaded. Finally, always avoid removing a brachycephalic breed from its carrier in a stressful environment; the rapid breathing can lead to overheating. Stick to these routines and the journey from Colorado Springs becomes manageable for both you and your pet.