$99 Cheap Alaska Airlines flights Denver (DEN) to Great Falls (GTF)

View $99 flight on Tue, Aug 19, 2025Opens in a new window

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$99 Cheap Alaska Airlines flights Denver (DEN) to Great Falls (GTF)

Prices were available within the past 7 days and start at $99 for one-way flights and $204 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Sep 23 - Sat, Sep 27
DEN
Denver
GTF
Great Falls
$204 Roundtrip, found 14 hours ago
$204
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Tue, Sep 23 from Denver to Great Falls, returning Sat, Sep 27, priced at $204 found 14 hours ago
Alaska Airlines
Tue, Sep 16 - Sat, Sep 27
DEN
Denver
GTF
Great Falls
$208 Roundtrip, found 2 days ago
$208
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Sep 16 from Denver to Great Falls, returning Sat, Sep 27, priced at $208 found 2 days ago
Alaska Airlines
Tue, Sep 23 - Sat, Sep 27
DEN
Denver
GTF
Great Falls
$284 Roundtrip, found 14 hours ago
$284
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Tue, Sep 23 from Denver to Great Falls, returning Sat, Sep 27, priced at $284 found 14 hours ago
Alaska Airlines
Wed, Aug 20 - Sat, Aug 23
DEN
Denver
GTF
Great Falls
$294 Roundtrip, found 20 hours ago
$294
Roundtrip
found 20 hours ago
Select Alaska Airlines flight, departing Wed, Aug 20 from Denver to Great Falls, returning Sat, Aug 23, priced at $294 found 20 hours ago
Alaska Airlines
Tue, Aug 19 - Wed, Aug 20
DEN
Denver
GTF
Great Falls
$306 Roundtrip, found 20 hours ago
$306
Roundtrip
found 20 hours ago
Select Alaska Airlines flight, departing Tue, Aug 19 from Denver to Great Falls, returning Wed, Aug 20, priced at $306 found 20 hours ago
Flights from Denver (DEN) to Great Falls (GTF)
Origin airport
Denver Intl.
Destination airport
Great Falls Intl.
Airlines serving
Alaska Airlines, Delta, Hawaiian Airlines, United
Popular airline
Delta
Distance
623 mi
Average flight time
1 hour 55 mins

Frequently asked questions

How much is an Alaska Airlines flight from Denver Intl. Airport (DEN) to Great Falls Intl. Airport (GTF)?
Landing cheap one-way Alaska Airlines flights from DEN to GTF from $99 on Expedia couldn't be easier --- just filter by "Price (lowest to highest)." Or check out our affordable round-trip fares from $204 for your next getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from DEN to GTF with Alaska Airlines?
January is one of the cheapest months to jet away to Great Falls with Alaska Airlines. You could also find fantastic deals on one-way and round-trip tickets in February.
What is the cheapest time to book flights from Denver Intl. Airport (DEN) to Great Falls Intl. Airport (GTF) with Alaska Airlines?
Search for affordable Alaska Airlines flights from Denver Intl. Airport (DEN) to Great Falls Intl. Airport (GTF) one to three months before your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and journey, the best day to book a domestic flight is generally Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Alaska Airlines fly nonstop from Denver Intl. Airport (DEN) to Great Falls Intl. Airport (GTF)?
Enter your dates, click search and select the "Nonstop" filter on Expedia to find any direct flights from DEN to GTF with Alaska Airlines or other airlines.
What is the earliest Alaska Airlines flight from DEN to GTF?
To find the earliest departure from DEN to GTF with Alaska Airlines, filter your results by "Early Morning" and "Morning." Booking an early flight generally means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Alaska Airlines fly into in Great Falls?
Great Falls Intl. Airport (GTF) is the main Great Falls gateway for Alaska Airlines flights from Denver Intl. Airport (DEN).
Why fly with Alaska Airlines from DEN to GTF?
With a rewarding loyalty program and an excellent in-flight experience, Alaska Airlines is a popular option for many passengers heading from DEN to GTF. Plus, if you're a Mileage Plan and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be spent on future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Alaska Airlines flight from Denver Intl. Airport (DEN) to Great Falls Intl. Airport (GTF)?
In most cases, you can modify or cancel your flight, although additional fees may apply if your booking was made over 24 hours ago. Need to keep your options open? Apply the "Changes included" and "No cancel fee" filters to find flights that won't charge you extra if you need to alter your plans. To make modifications, go to "Trips," select your flight and click on "Manage Booking" for more information.

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