$49 Cheap Flights from Alliance (AIA) to Denver (DEN)

View $49 flight on Fri, Aug 22, 2025Opens in a new window

Popular airlines from Alliance, NE (AIA-Alliance Municipal) to Denver Intl. Airport (DEN)

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Cheap Flights from Alliance to Denver (AIA-DEN)

Prices were available within the past 7 days and start at $49 for one-way flights and $98 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KEY LIME AIR DBA DENVER AIR CONNECTION
Thu, Nov 20 - Fri, Dec 12
AIA
Alliance
DEN
Denver
$98 Roundtrip, found 1 hour ago
$98
Roundtrip
found 1 hour ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Thu, Nov 20 from Alliance to Denver, returning Fri, Dec 12, priced at $98 found 1 hour ago
KEY LIME AIR DBA DENVER AIR CONNECTION
Sat, Nov 22 - Mon, Dec 15
AIA
Alliance
DEN
Denver
$110 Roundtrip, found 1 hour ago
$110
Roundtrip
found 1 hour ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Sat, Nov 22 from Alliance to Denver, returning Mon, Dec 15, priced at $110 found 1 hour ago
KEY LIME AIR DBA DENVER AIR CONNECTION
Thu, Nov 20 - Wed, Dec 17
AIA
Alliance
DEN
Denver
$120 Roundtrip, found 1 hour ago
$120
Roundtrip
found 1 hour ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Thu, Nov 20 from Alliance to Denver, returning Wed, Dec 17, priced at $120 found 1 hour ago
KEY LIME AIR DBA DENVER AIR CONNECTION
Tue, Sep 2 - Wed, Sep 3
AIA
Alliance
DEN
Denver
$130 Roundtrip, found 2 hours ago
$130
Roundtrip
found 2 hours ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Tue, Sep 2 from Alliance to Denver, returning Wed, Sep 3, priced at $130 found 2 hours ago
KEY LIME AIR DBA DENVER AIR CONNECTION
Wed, Nov 19 - Wed, Dec 17
AIA
Alliance
DEN
Denver
$132 Roundtrip, found 1 hour ago
$132
Roundtrip
found 1 hour ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Wed, Nov 19 from Alliance to Denver, returning Wed, Dec 17, priced at $132 found 1 hour ago
KEY LIME AIR DBA DENVER AIR CONNECTION
Tue, Sep 2 - Sat, Sep 6
AIA
Alliance
DEN
Denver
$142 Roundtrip, found 2 hours ago
$142
Roundtrip
found 2 hours ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Tue, Sep 2 from Alliance to Denver, returning Sat, Sep 6, priced at $142 found 2 hours ago
KEY LIME AIR DBA DENVER AIR CONNECTION
Thu, Aug 21 - Sun, Aug 24
AIA
Alliance
DEN
Denver
$162 Roundtrip, found 2 hours ago
$162
Roundtrip
found 2 hours ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Thu, Aug 21 from Alliance to Denver, returning Sun, Aug 24, priced at $162 found 2 hours ago
KEY LIME AIR DBA DENVER AIR CONNECTION
Wed, Aug 20 - Sat, Aug 23
AIA
Alliance
DEN
Denver
$170 Roundtrip, found 2 hours ago
$170
Roundtrip
found 2 hours ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Wed, Aug 20 from Alliance to Denver, returning Sat, Aug 23, priced at $170 found 2 hours ago
KEY LIME AIR DBA DENVER AIR CONNECTION
Wed, Aug 20 - Thu, Aug 21
AIA
Alliance
DEN
Denver
$182 Roundtrip, found 2 hours ago
$182
Roundtrip
found 2 hours ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Wed, Aug 20 from Alliance to Denver, returning Thu, Aug 21, priced at $182 found 2 hours ago
KEY LIME AIR DBA DENVER AIR CONNECTION
Wed, Aug 20 - Fri, Aug 22
AIA
Alliance
DEN
Denver
$192 Roundtrip, found 2 hours ago
$192
Roundtrip
found 2 hours ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Wed, Aug 20 from Alliance to Denver, returning Fri, Aug 22, priced at $192 found 2 hours ago
KEY LIME AIR DBA DENVER AIR CONNECTION
Mon, Aug 4 - Fri, Aug 8
AIA
Alliance
DEN
Denver
$202 Roundtrip, found 16 hours ago
$202
Roundtrip
found 16 hours ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Mon, Aug 4 from Alliance to Denver, returning Fri, Aug 8, priced at $202 found 16 hours ago

Find the cheapest month to fly from Alliance (AIA) to Denver (DEN)

February is typically the cheapest month to fly

From $98 - $168 per traveler.

Graph displaying average flight prices per month

Alternative airports near Denver

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Denver Intl. DEN. Cheapest option available. Average driving time to city center is 32 minutes. Flights from $130
DEN
Denver Intl.
Cheapest
Average driving time to city center32 min
Flights from $130
0
Flights from Alliance (AIA) to Denver (DEN)
Origin airport
Alliance Municipal
Destination airport
Denver Intl.
Airlines serving
KEY LIME AIR DBA DENVER AIR CONNECTION
Roundtrip price
$92
Distance
181 mi

Alliance to Denver Flights

The cheapest times to fly from Alliance to Denver

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Alliance to Denver are during the month of November. You can find some of the cheapest flights from Alliance to Denver with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Alliance to Denver

Sunday is one of the best days to book for cheap flights from Alliance to Denver: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Alliance to Denver

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Alliance to Denver in 2025. You can also book with separate airlines for your outbound and return journeys, from $49 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Alliance to Denver flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Alliance to Denver airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Alliance Municipal Airport (AIA) to Denver Intl. Airport (DEN) cost?
Find affordable return tickets from Alliance Municipal Airport (AIA) to Denver Intl. Airport (DEN) starting from $98. Snag a seat and be on your way. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Key Lime DBA Denver Air Connection flight leaving AIA on August 3 2025 and touching down at DEN. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from AIA to DEN?
The cheapest flights from AIA to DEN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Alliance Municipal Airport (AIA) to Denver Intl. Airport (DEN)?
Hop on a direct flight with Denver Air Connection and fly straight from Alliance Municipal Airport (AIA) to Denver Intl. Airport (DEN).
What is the cheapest airline that flies from AIA to DEN?
With fares starting at $49 for a one-way journey from AIA to DEN, Key Lime DBA Denver Air Connection is currently the cheapest airline on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from AIA on September 13 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Alliance Municipal Airport (AIA) to Denver Intl. Airport (DEN)?
On average, Alliance Municipal Airport (AIA) only offers 1 direct flight to Denver Intl. Airport (DEN) every day. For more choices, try our easy-to-use filter tool. Just enter your dates of travel, then select "1 Stop" or "2+ Stops" to find flights offering layovers.
What are the most popular departure times for flights from Alliance Municipal Airport (AIA) to Denver Intl. Airport (DEN)?
The 7 AM departures from AIA to DEN see the highest demand. Greater demand means you'll likely pay more for these departures. If you're looking to save, book during off-peak hours.
What day of the week has the most flights from AIA to DEN?
Saturday offers the most flights from Alliance Municipal Airport (AIA) to Denver Intl. Airport (DEN). Consider taking off on this day and you'll have a greater chance of finding a departure that fits your schedule.
What is the earliest flight from Alliance Municipal Airport (AIA) to Denver Intl. Airport (DEN)?
Catch the earliest flight at around 7:30AM UTC-7, heading out of Alliance Municipal Airport (AIA). You'll be traveling for approximately 1h, landing at Denver Intl. Airport (DEN) at approximately 8:30AM UTC-7.
How long does it take to fly from Alliance Municipal Airport (AIA) to Denver Intl. Airport (DEN)?
Flights from AIA to DEN have an average travel time of 1 hour. The total distance between the two airports is 180 mi.
What is the best time to fly from Alliance Municipal Airport (AIA) to Denver Intl. Airport (DEN)?
Choose a flight from Alliance Municipal Airport (AIA) to Denver Intl. Airport (DEN) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Denver from Alliance Municipal Airport (AIA)?
If you've booked a direct flight from Alliance Municipal Airport (AIA) to Denver, Denver Intl. Airport (DEN) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Alliance Municipal Airport (AIA) to Denver Intl. Airport (DEN) last-minute?
Last-minute bookings from AIA to DEN are generally more expensive. To lock in the lowest prices, start searching for flights well ahead of time. That being said, if you're flexible with your travel dates, it's possible to land a cheap fare right before you leave.
Is it cheaper to book an AIA to DEN flight and hotel package?
You'll generally save money by securing an AIA to DEN flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. Once you've chosen your preferred accommodations and flights, consider adding extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Alliance Municipal Airport (AIA) to Denver Intl. Airport (DEN)?
If you booked your AIA to DEN flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

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*Available to One Key members.