Cheap Flights from Denver International to Great Falls International from $494

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Flight deals from Denver International to Great Falls International

Looking for a cheap last-minute deal or the best return flight from Denver International Airport to Great Falls International Airport? If you want to travel next month, return fares start from $494. Find the lowest prices on one-way and return tickets right here.

Great Falls.$494 per passenger.Departing Sun, 11 Oct, returning Sat, 17 Oct.Return flight with United.Outbound direct flight with United departs from Denver International on Sun, 11 Oct, arriving in Great Falls International.Inbound direct flight with United departs from Great Falls International on Sat, 17 Oct, arriving in Denver International.Price includes taxes and charges.From $494, select.

Great Falls.$494 per passenger.Departing Fri, 11 Dec, returning Fri, 25 Dec.Return flight with United.Outbound direct flight with United departs from Denver International on Fri, 11 Dec, arriving in Great Falls International.Inbound direct flight with United departs from Great Falls International on Fri, 25 Dec, arriving in Denver International.Price includes taxes and charges.From $494, select.

Great Falls.$494 per passenger.Departing Fri, 8 Jan, returning Fri, 22 Jan.Return flight with United.Outbound direct flight with United departs from Denver International on Fri, 8 Jan, arriving in Great Falls International.Inbound direct flight with United departs from Great Falls International on Fri, 22 Jan, arriving in Denver International.Price includes taxes and charges.From $494, select.

Great Falls.$496 per passenger.Departing Thu, 28 Jan, returning Thu, 4 Feb.Return flight with United.Outbound direct flight with United departs from Denver International on Thu, 28 Jan, arriving in Great Falls International.Inbound direct flight with United departs from Great Falls International on Thu, 4 Feb, arriving in Denver International.Price includes taxes and charges.From $496, select.

Great Falls.$527 per passenger.Departing Fri, 12 Feb, returning Fri, 26 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Denver International on Fri, 12 Feb, arriving in Great Falls International.Inbound indirect flight with Delta, departs from Great Falls International on Fri, 26 Feb, arriving in Denver International.Price includes taxes and charges.From $527, select.

Great Falls.$527 per passenger.Departing Fri, 13 Nov, returning Fri, 27 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Denver International on Fri, 13 Nov, arriving in Great Falls International.Inbound indirect flight with Delta, departs from Great Falls International on Fri, 27 Nov, arriving in Denver International.Price includes taxes and charges.From $527, select.

Great Falls.$527 per passenger.Departing Fri, 9 Apr, returning Fri, 23 Apr.Return flight with Delta.Outbound indirect flight with Delta, departs from Denver International on Fri, 9 Apr, arriving in Great Falls International.Inbound indirect flight with Delta, departs from Great Falls International on Fri, 23 Apr, arriving in Denver International.Price includes taxes and charges.From $527, select.

Great Falls.$529 per passenger.Departing Wed, 25 Nov, returning Wed, 2 Dec.Return flight with United.Outbound direct flight with United departs from Denver International on Wed, 25 Nov, arriving in Great Falls International.Inbound direct flight with United departs from Great Falls International on Wed, 2 Dec, arriving in Denver International.Price includes taxes and charges.From $529, select.

Great Falls.$529 per passenger.Departing Tue, 2 Feb, returning Tue, 9 Feb.Return flight with United.Outbound direct flight with United departs from Denver International on Tue, 2 Feb, arriving in Great Falls International.Inbound direct flight with United departs from Great Falls International on Tue, 9 Feb, arriving in Denver International.Price includes taxes and charges.From $529, select.

Great Falls.$546 per passenger.Departing Fri, 12 Mar, returning Fri, 26 Mar.Return flight with United.Outbound direct flight with United departs from Denver International on Fri, 12 Mar, arriving in Great Falls International.Inbound direct flight with United departs from Great Falls International on Fri, 26 Mar, arriving in Denver International.Price includes taxes and charges.From $546, select.

Great Falls.$546 per passenger.Departing Fri, 14 May, returning Fri, 28 May.Return flight with United.Outbound direct flight with United departs from Denver International on Fri, 14 May, arriving in Great Falls International.Inbound direct flight with United departs from Great Falls International on Fri, 28 May, arriving in Denver International.Price includes taxes and charges.From $546, select.

Great Falls.$550 per passenger.Departing Fri, 9 Apr, returning Fri, 23 Apr.Return flight with United.Outbound direct flight with United departs from Denver International on Fri, 9 Apr, arriving in Great Falls International.Inbound direct flight with United departs from Great Falls International on Fri, 23 Apr, arriving in Denver International.Price includes taxes and charges.From $550, select.

Great Falls.$550 per passenger.Departing Fri, 13 Nov, returning Fri, 27 Nov.Return flight with United.Outbound direct flight with United departs from Denver International on Fri, 13 Nov, arriving in Great Falls International.Inbound direct flight with United departs from Great Falls International on Fri, 27 Nov, arriving in Denver International.Price includes taxes and charges.From $550, select.

Great Falls.$562 per passenger.Departing Thu, 24 Sep, returning Mon, 28 Sep.Return flight with United.Outbound direct flight with United departs from Denver International on Thu, 24 Sep, arriving in Great Falls International.Inbound direct flight with United departs from Great Falls International on Mon, 28 Sep, arriving in Denver International.Price includes taxes and charges.From $562, select.

Great Falls.$579 per passenger.Departing Fri, 11 Jun, returning Fri, 25 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from Denver International on Fri, 11 Jun, arriving in Great Falls International.Inbound indirect flight with Delta, departs from Great Falls International on Fri, 25 Jun, arriving in Denver International.Price includes taxes and charges.From $579, select.

Great Falls.$614 per passenger.Departing Fri, 11 Jun, returning Fri, 25 Jun.Return flight with United.Outbound direct flight with United departs from Denver International on Fri, 11 Jun, arriving in Great Falls International.Inbound direct flight with United departs from Great Falls International on Fri, 25 Jun, arriving in Denver International.Price includes taxes and charges.From $614, select.

Find the cheapest month to fly from Denver International to Great Falls International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Denver International to Great Falls International flights are currently cheapest in October.

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Direct flights from Denver International to Great Falls International

Denver International to Great Falls International: Alternative routes

Compare routes from Denver International to Great Falls below. You may find an airport to fly into that's cheaper, faster, or easier than Great Falls International.

Great Falls International

5km from central Great Falls

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from $494

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Denver to Great Falls: Flight information

The things to know before you go.

Cheapest flight found	$494
Cheapest month to fly	January
Average flight time	2 hrs, 2 mins
Most popular airline	United
Average flights per week	16

Finding cheap flights from Denver International to Great Falls International: Frequently asked questions

How much are return flights from Denver International to Great Falls International?

The best price we found for a return flight from Denver International to Great Falls International is $494. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Denver International to Great Falls International?

2 hours and 2 minutes is the average flight time from Denver International to Great Falls International.

Which airlines fly direct from Denver International to Great Falls International?

United flies direct from Denver International to Great Falls International.

How many flights are there a week from Denver International to Great Falls International?

As of September 2026, there are 16 flights per week flying from Denver International to Great Falls International.

When is the cheapest time to fly from Denver International to Great Falls International?

The cheapest month to fly from Denver International to Great Falls International is usually January.

Which upcoming date is cheapest to fly from Denver International Airport to Great Falls International Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Denver International Airport to Great Falls International Airport on Friday, 8 January 2027.

Can I get a direct flight from Denver International Airport to Great Falls International Airport?

Yes – the average flight time is 2 hours and 2 minutes.

How can I find the best flight deal to Great Falls International?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Great Falls International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Great Falls?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Great Falls is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Denver International Airport to Great Falls International with?

Currently, United offers the cheapest flight tickets to Great Falls International.

Flying from Denver International Airport (DEN) to Great Falls International Airport (GTF): what you need to know

The average time for a direct flight from Denver International Airport to Great Falls International Airport is 2 hours.
Each week, there are 14 Denver International Airport to Great Falls International Airport flights. If you prefer to jet off as soon as possible, take the 11:21 United Airlines flight. If you're eager to make the most of your time before flying, the latest flight is at 19:25 with United Airlines.
Arrive at the airport on time so you don't miss your DEN to GTF flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.
You'll likely experience bigger queues in popular months like July. Arriving up to four hours in advance for an international flight and two hours for a domestic departure is a smart move.
United offers direct flights from Denver International Airport to Great Falls International Airport. Book with this popular carrier, then get ready to discover the sights in Great Falls — and maybe even more of the United States if you have time.
The majority of travellers choose to fly with United on this route.
With a reliable 89.54% of services arriving as planned, United is the most punctual carrier for DEN to GTF flights.
We make it a piece of cake to book a flight with a stopover. To see all your options for tickets from Denver International Airport to Great Falls International Airport, uncheck 'Direct flights only.' Then, choose a flight with a stop long enough to explore your chosen city. Worthwhile stopovers between DEN and GTF include:
- Minneapolis St Paul Airport
- Harry Reid International Airport
- Salt Lake City Airport

Handy information about Denver International Airport (DEN)

You'll find DEN at 8500 Pena Boulevard.
Denver International Airport has a strong on-time performance, so you're unlikely to face delays. Departures from DEN touch down on schedule 80% of the time.
To reach Denver International Airport from central Denver, it takes around 35 minutes if you're travelling by car. This depends on traffic, however. It's approximately 40 kilometres from the airport to the city centre.
Taking public transport? You can expect a journey time of around 35 minutes.
Get your flight from Denver International Airport to Great Falls International Airport off to a stress-free start. Only a short drive from DEN, stay at Baymont by Wyndham Denver International Airport and you'll be well-rested for the trip ahead.

Arriving at Great Falls International Airport (GTF)

If you have a late Denver International Airport to Great Falls International Airport flight, few things top the convenience of being close to the terminal. Pick up your bags from the carousel and then be showered and snoozing not long after at one of these options near GTF:
Fast-track your adventure by picking up a Great Falls International Airport rental car. Grab your wheels from Alamo, Budget or Hertz and explore beyond Great Falls's usual tourist stops.
Increase the odds of snagging the best rate by booking early. Reserving your vehicle from Great Falls International Airport at least a couple of weeks in advance is a smart idea.

Getting from Great Falls International Airport (GTF) to central Great Falls

The address for GTF is 2800 Terminal Drive.
Great Falls International Airport to central Great Falls has a drive time of about 10 minutes. It's approximately 8 kilometres away.
Travelling by public transport typically takes 25 minutes.

When to fly to Great Falls International Airport (GTF)

It's time to pick your dates for your flight from Denver International Airport to Great Falls International Airport. July is the busiest month to visit Great Falls. If you prefer a more laid-back vibe, go in March.
Before locking in your flight from Denver International Airport to Great Falls International Airport, think about the kind of weather you like. July is the warmest month in Great Falls, with the temperature ranging from 11ºC to 33ºC.
Search for cheap tickets from DEN to GTF in February if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between -21ºC and 8ºC on average.

Explore more of the United States

Great Falls is always a good idea, but there are so many other parts of the United States you should also see. About 467 kilometres west of Great Falls, a trip to Spokane will keep you on the move. Start with leading attractions like Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.
Billings is another well-known destination in the United States and is around 290 kilometres south-east of Great Falls. No trip is complete without experiencing Museum of Women's History, Yellowstone Art Museum and The Rimrocks.