When planning a trip to the Centennial State, understanding your airline options is paramount. For budget-conscious travelers and those seeking direct routes to specific destinations, Allegiant Air often comes to mind. This ultra-low-cost carrier has carved a niche for itself by serving smaller and mid-sized cities, often with less frequency than major airlines but with competitive pricing. This begs the question for many prospective visitors to Colorado: does Allegiant Air fly to the Rocky Mountain State?
Allegiant Air’s Presence in Colorado
The answer to whether Allegiant Air flies to Colorado is a resounding yes, though its network within the state is specific and strategically focused. Unlike legacy carriers that might service major hubs like Denver International Airport with extensive routes, Allegiant tends to target secondary airports and specific popular tourist or business destinations. This approach allows them to avoid direct competition with larger airlines while still tapping into demand for travel to and from these locations.

For Colorado, Allegiant Air has historically focused its operations on smaller, more accessible airports that serve as gateways to popular recreational areas and burgeoning communities. This strategy aligns with their business model of providing affordable travel to destinations that might otherwise be underserved or significantly more expensive to reach via traditional carriers.
Key Colorado Destinations Served by Allegiant Air
Allegiant Air has, at various times, operated flights to several key locations within Colorado. While their route network can change based on seasonal demand and operational considerations, certain airports have been consistent points of service.
Grand Junction Regional Airport (GJT)
One of the primary airports that Allegiant Air has served in Colorado is Grand Junction Regional Airport (GJT). Located in western Colorado, Grand Junction is a gateway to some of the state’s most stunning natural attractions.
- Access to Outdoor Recreation: Grand Junction is the gateway to the Colorado National Monument, offering breathtaking red rock canyons, hiking trails, and scenic drives. It’s also a prime location for exploring the wineries of the Grand Valley and accessing outdoor adventures like rafting on the Colorado River or skiing in nearby mountain resorts during the winter months.
- Economic Hub: Beyond tourism, Grand Junction serves as an economic hub for western Colorado, attracting business travelers and those visiting family. Allegiant’s presence here can offer a more cost-effective travel solution for individuals flying from cities that Allegiant serves directly.
- Origin Cities: Flights to Grand Junction Regional Airport by Allegiant Air often originate from various cities across the country, typically those where Allegiant has a strong operational base or identifies a market demand. Travelers from cities like Las Vegas, Phoenix, or others in the Midwest and West Coast may find direct routes.
Colorado Springs Airport (COS)
Another significant airport that has seen Allegiant Air service is Colorado Springs Airport (COS). Situated in the southern part of the Front Range, Colorado Springs is a major city with its own unique appeal.
- Proximity to Attractions: Colorado Springs is home to iconic landmarks such as Garden of the Gods, a stunning public park with towering red rock formations. It also offers access to Pikes Peak, one of America’s most famous mountains, and a variety of military installations and educational institutions.
- Traveler Demographics: The airport serves both leisure and business travelers, including those visiting the United States Air Force Academy or attending events in the city. Allegiant’s presence at COS can provide an affordable alternative for visitors coming from Allegiant’s existing route network.
- Connecting to the Region: While Denver International Airport is the primary air traffic hub for the entire Front Range, Colorado Springs Airport offers a more convenient entry point for those whose primary destination is south of Denver. Allegiant’s flights to COS can be particularly attractive for travelers looking to avoid the larger, busier Denver airport or seeking direct flights from specific origins.
How to Find Allegiant Air Flights to Colorado
Navigating the routes of an ultra-low-cost carrier like Allegiant Air requires a slightly different approach than booking with major airlines. Their network is dynamic, and booking directly through their website is often the most efficient method.

Utilizing the Allegiant Air Website
The most reliable way to determine current Allegiant Air service to Colorado is to visit their official website.
- Flight Search: Go to the Allegiant Air homepage and use their flight search tool. Enter your desired departure city and select “Colorado” as the destination. Alternatively, you can select specific airports like Grand Junction Regional Airport (GJT) or Colorado Springs Airport (COS).
- Route Network Exploration: The website will display available routes, flight dates, and pricing. Pay close attention to the origin cities to understand where you can fly from to reach Colorado with Allegiant.
- Flexibility is Key: Allegiant often operates flights on specific days of the week, sometimes only a few times per week. Being flexible with your travel dates can significantly improve your chances of finding an available and affordable flight.
Understanding Allegiant’s Pricing and Fees
It’s crucial for travelers to understand Allegiant Air’s pricing model. Their base fares are typically very low, but they charge for almost every ancillary service.
- Base Fare: This usually includes only the seat on the aircraft.
- Carry-on Bags: While a small personal item that fits under the seat is usually free, larger carry-on bags will incur a fee.
- Checked Baggage: Fees apply to all checked luggage.
- Seat Selection: Choosing a specific seat, especially one with extra legroom or in a preferred location, will cost extra.
- Priority Boarding: If you wish to board earlier, there is an additional charge.
- Onboard Services: Food and beverages are available for purchase.
When comparing the total cost of an Allegiant Air ticket to a ticket on a traditional carrier, it’s essential to factor in all these potential fees to get an accurate apples-to-apples comparison. For travelers who can pack light and are comfortable with unassigned seating, Allegiant can offer substantial savings.
Considerations for Travel to Colorado with Allegiant Air
While Allegiant Air can be a fantastic option for reaching certain parts of Colorado affordably, it’s important to be aware of their operational characteristics and how they might impact your travel experience.
Airport Locations and Transportation
As mentioned, Allegiant often flies into smaller airports. This can be a significant advantage, leading to quicker deplaning and potentially shorter waits for baggage. However, it’s crucial to consider how you will get from the airport to your final destination.
- Car Rentals: Availability of rental cars at smaller airports can sometimes be more limited than at major hubs. It is advisable to book rental cars in advance, especially if you are traveling during peak season or to popular tourist areas like those near Grand Junction or Colorado Springs.
- Rideshares and Taxis: While rideshare services like Uber and Lyft are available in most Colorado cities, their availability and response times can vary, especially in more remote areas. Traditional taxi services may also be an option but can be more expensive.
- Public Transportation: Public transportation options from smaller airports to city centers or popular attractions are often limited or non-existent. Travelers should plan their ground transportation strategy carefully before booking their flights.

Impact on Travel Itinerary
The flight schedules of Allegiant Air are typically designed to serve leisure travelers, often with flights on Fridays, Saturdays, Sundays, and Mondays, aligning with typical weekend getaways.
- Weekend Focus: If your travel plans are strictly during the mid-week, you might find fewer, if any, Allegiant flights available to Colorado. This can limit flexibility for those planning longer trips or business travel that doesn’t align with a weekend structure.
- Limited Connections: Allegiant is not a full-service airline and does not typically offer interline agreements for connecting flights. If you need to connect to another flight, you will likely need to book separate tickets, which carries the risk of missing your connection if the first flight is delayed. For a state as vast and diverse as Colorado, this means that if your primary destination isn’t directly served by Allegiant, you may need to fly into one of their served Colorado airports and then arrange separate onward travel, potentially by car or a different airline.
In conclusion, Allegiant Air does indeed fly to Colorado, primarily serving airports like Grand Junction Regional Airport and Colorado Springs Airport. For travelers seeking an economical way to reach these specific gateways to the natural beauty and attractions of the Centennial State, Allegiant is a viable option. However, prospective passengers should always verify current routes and schedules directly with the airline and carefully consider all associated costs and logistical requirements for their journey.
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