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CA $198 Cheap Flights from Great Falls (GTF) to Denver (DEN)

View CA $198 flight on Tue, Aug 11, 2026Opens in a new window

Popular airlines from Great Falls, MT (GTF-Great Falls Intl.) to Denver International Airport (DEN)

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Cheap flights from Great Falls (GTF) to Denver (DEN)

Prices were available within the past 7 days and start at CA $198 for one-way flights and CA $395 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Sep 17 - Wed, Sep 23
GTF
Great Falls
DEN
Denver
CA $395 Roundtrip, found 18 hours ago
CA $395
Roundtrip
found 18 hours ago
Select Delta flight, departing Thu, Sep 17 from Great Falls to Denver, returning Wed, Sep 23, priced at CA $395 found 18 hours ago
Delta
Sat, Sep 26 - Wed, Oct 7
GTF
Great Falls
DEN
Denver
CA $396 Roundtrip, found 4 hours ago
CA $396
Roundtrip
found 4 hours ago
Select Delta flight, departing Sat, Sep 26 from Great Falls to Denver, returning Wed, Oct 7, priced at CA $396 found 4 hours ago
Delta
Sat, Sep 26 - Tue, Oct 6
GTF
Great Falls
DEN
Denver
CA $424 Roundtrip, found 4 hours ago
CA $424
Roundtrip
found 4 hours ago
Select Delta flight, departing Sat, Sep 26 from Great Falls to Denver, returning Tue, Oct 6, priced at CA $424 found 4 hours ago
Alaska Airlines
Tue, Sep 29 - Wed, Sep 30
GTF
Great Falls
DEN
Denver
CA $445 Roundtrip, found 4 hours ago
CA $445
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Tue, Sep 29 from Great Falls to Denver, returning Wed, Sep 30, priced at CA $445 found 4 hours ago
Delta
Sun, Sep 27 - Wed, Oct 7
GTF
Great Falls
DEN
Denver
CA $473 Roundtrip, found 4 hours ago
CA $473
Roundtrip
found 4 hours ago
Select Delta flight, departing Sun, Sep 27 from Great Falls to Denver, returning Wed, Oct 7, priced at CA $473 found 4 hours ago
Delta
Sat, Sep 26 - Mon, Sep 28
GTF
Great Falls
DEN
Denver
CA $477 Roundtrip, found 4 hours ago
CA $477
Roundtrip
found 4 hours ago
Select Delta flight, departing Sat, Sep 26 from Great Falls to Denver, returning Mon, Sep 28, priced at CA $477 found 4 hours ago
United
Thu, Sep 24 - Fri, Oct 2
GTF
Great Falls
DEN
Denver
CA $481 Roundtrip, found 4 hours ago
CA $481
Roundtrip
found 4 hours ago
Select United flight, departing Thu, Sep 24 from Great Falls to Denver, returning Fri, Oct 2, priced at CA $481 found 4 hours ago
United
Thu, Sep 17 - Wed, Sep 23
GTF
Great Falls
DEN
Denver
CA $493 Roundtrip, found 18 hours ago
CA $493
Roundtrip
found 18 hours ago
Select United flight, departing Thu, Sep 17 from Great Falls to Denver, returning Wed, Sep 23, priced at CA $493 found 18 hours ago
Alaska Airlines
Tue, Sep 29 - Thu, Oct 1
GTF
Great Falls
DEN
Denver
CA $495 Roundtrip, found 4 hours ago
CA $495
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Tue, Sep 29 from Great Falls to Denver, returning Thu, Oct 1, priced at CA $495 found 4 hours ago
United
Thu, Sep 17 - Wed, Sep 23
GTF
Great Falls
DEN
Denver
CA $499 Roundtrip, found 18 hours ago
CA $499
Roundtrip
found 18 hours ago
Select United flight, departing Thu, Sep 17 from Great Falls to Denver, returning Wed, Sep 23, priced at CA $499 found 18 hours ago

Frequently asked questions

How much does a flight from Great Falls, MT (GTF-Great Falls Intl.) to Denver, CO (DEN-Denver Intl.) cost?
You can find cheap one-way flights from CA $198 and cheap return flights from CA $395 GTF to DEN with Expedia. Return flights often range between CA$477 and CA$1304. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when GTF to DEN ticket fares go up or down.
What is the cheapest month to fly from Great Falls, MT (GTF-Great Falls Intl.) to Denver, CO (DEN-Denver Intl.)?
The cheapest months to fly from GTF to DEN are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Great Falls, MT (GTF-Great Falls Intl.) to Denver, CO (DEN-Denver Intl.)?
Only one airline offers direct flights from Great Falls Intl. (GTF) to Denver Intl. (DEN). United operates 17 direct flights from Great Falls Intl. to Denver Intl. every week.
What is the cheapest airline that flies from Great Falls, MT (GTF-Great Falls Intl.) to Denver, CO (DEN-Denver Intl.)?
United is one of the cheapest airlines offering nonstop return flights from Great Falls Intl. (GTF) to Denver Intl. (DEN), with tickets starting from around CA$274 for flights that can be booked for departure within the next year. Delta is one of the cheapest airlines offering connecting return flights on this route, with tickets starting from around CA$334. These prices are per adult, for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Great Falls, MT (GTF-Great Falls Intl.) to Denver, CO (DEN-Denver Intl.)?
To find a cheap flight from Great Falls, MT (GTF-Great Falls Intl.) to Denver, CO (DEN-Denver Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Great Falls, MT (GTF-Great Falls Intl.) to Denver, CO (DEN-Denver Intl.)?
The best airline to fly with from Great Falls, MT (GTF-Great Falls Intl.) to Denver, CO (DEN-Denver Intl.) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, United typically offers the lowest fares. Alaska Airlines offers the most daily flights from Great Falls, MT (GTF-Great Falls Intl.) to Denver, CO (DEN-Denver Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Great Falls, MT (GTF-Great Falls Intl.) to Denver, CO (DEN-Denver Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Great Falls, MT (GTF-Great Falls Intl.) to Denver, CO (DEN-Denver Intl.)?
You'll find approximately 2 nonstop flights per day from Great Falls Intl. (GTF) to Denver Intl. (DEN). For even more choices, look at flights that include layovers, as there are around 3 connecting flights per day. Some common connection points include Seattle - Tacoma Intl. (SEA), Salt Lake City Intl. (SLC), and O'Hare Intl. (ORD).
What is the earliest flight from Great Falls, MT (GTF-Great Falls Intl.) to Denver, CO (DEN-Denver Intl.)?
The earliest flight from Great Falls, MT (GTF-Great Falls Intl.) to Denver, CO (DEN-Denver Intl.) typically departs around 5:20 AM. This service is operated by Delta. This is a seasonal service, active in February and March. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Great Falls, MT (GTF-Great Falls Intl.) to Denver, CO (DEN-Denver Intl.)?
You'll find the most flights from Great Falls Intl. (GTF) to Denver Intl. (DEN) on Fridays, with around 6 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Delta, United, and Alaska Airlines. Flight schedules are quite consistent throughout the week, with only a slight increase on Fridays compared to other days.
What are the most popular departure times for flights from Great Falls, MT (GTF-Great Falls Intl.) to Denver, CO (DEN-Denver Intl.)?
The most popular departure times for flights from Great Falls Intl. (GTF) to Denver Intl. (DEN) are in the evening, from 6pm to 9pm. Many major carriers, including Alaska Airlines and Delta, offer flights during this window. Many travellers prefer these times because you can finish your day's activities before heading to the airport, and you'll arrive in Denver at a reasonable hour.
How long does it take to fly from Great Falls, MT (GTF-Great Falls Intl.) to Denver, CO (DEN-Denver Intl.)?
Flying from Great Falls, MT (GTF-Great Falls Intl.) to Denver, CO (DEN-Denver Intl.) covers a distance of approximately 1,004 kilometres. If you're looking for the quickest way to get there, a nonstop flight typically takes around 2 hours. For flights with one stop, you can expect the journey to be longer, usually around 4 hours 18 minutes. Flights with two or more stops will take even more time, often around 10 hours 18 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic.
Can you fly business or first class from Great Falls, MT (GTF-Great Falls Intl.) to Denver, CO (DEN-Denver Intl.)?
Yes, you can fly business class or first class between GTF and DEN. You can fly business class with Delta.First class cabins are available on Alaska Airlines, United, and Delta.
How do I earn miles on a Great Falls, MT (GTF-Great Falls Intl.) to Denver, CO (DEN-Denver Intl.) flight with Expedia?
It's easy to earn miles on a Great Falls, MT (GTF-Great Falls Intl.) to Denver, CO (DEN-Denver Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Denver, CO (DEN) from Great Falls, MT (GTF)?
If you're planning to travel to Denver from Great Falls Intl. (GTF), you can fly directly into Denver Intl. (DEN) which offers international flights and connections. Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Salt Lake City Intl. (SLC) before reaching Denver. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Great Falls, MT (GTF-Great Falls Intl.) to Denver, CO (DEN-Denver Intl.) at the last minute?
Typically, booking a last minute flight from Great Falls, MT (GTF-Great Falls Intl.) to Denver, CO (DEN-Denver Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Great Falls, MT (GTF-Great Falls Intl.) to Denver, CO (DEN-Denver Intl.) flight and hotel package?
Securing a Great Falls, MT (GTF-Great Falls Intl.) to Denver, CO (DEN-Denver Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Great Falls, MT (GTF-Great Falls Intl.) to Denver, CO (DEN-Denver Intl.)?
If you booked your Great Falls, MT (GTF-Great Falls Intl.) to Denver, CO (DEN-Denver Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

0
Origin airport
Great Falls Intl.
Destination airport
Denver Intl.
Airlines serving
Alaska Airlines, Delta, United
Roundtrip price
CA $394
Distance
997 km

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Great Falls to Denver Flights

The easy way to book your flights from Great Falls to Denver 

With Expedia, it’s simple to find and book flights to Denver from Great Falls whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Denver Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Great Falls to Denver today, tomorrow, or this week.  

 

Save dollars with cheap flights from Great Falls Intl., GTF to Denver Intl., DEN 

Sort your search results by price to find great deals on your flight from Great Falls to Denver—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Denver from Great Falls currently is just CA $395 rising to CA $499.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Denver  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Denver from Great Falls 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Denver with Expedia today.

Great Falls to Denver Flights

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