Cheap Flights from Denver to Great Falls International

Compare Denver to Great Falls International flight deals

Find the cheapest month or even day of the year to fly to Great Falls International

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Flight deals from Denver to Great Falls International Airport

Looking for a cheap last-minute deal or the best return flight from Denver to Great Falls International Airport? If you want to travel next month, return fares start from Rs138,501. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Denver 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 to Great Falls International flights are currently cheapest in April.

Direct flights from Denver to Great Falls International

Denver to Great Falls International: Alternative routes

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

Denver to Great Falls: Flight information

The things to know before you go.
Cheapest flight foundRs66,075
Cheapest month to flyApril
Average flight time2 hrs
Most popular airlineUnited
Average flights per week24

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

The best price we found for a return flight from Denver to Great Falls International is Rs65,430. 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.
2 hours is the average flight time from Denver to Great Falls International.
United and SkyWest Airlines fly direct from Denver to Great Falls International.
As of March 2026, there are 24 flights per week flying from Denver to Great Falls International.
The cheapest month to fly from Denver to Great Falls International is usually August.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Denver to Great Falls International Airport on Friday, 14 August 2026.
Yes – the average flight time is 2 hours.
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.
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.
The cheapest airline that flies to Great Falls International is United .

Travelling from Denver to Great Falls International Airport (GTF): What you need to know

  • Your next big escape starts at Denver's main airport, Denver International Airport (DEN). Explore the options for reserving a flight from Denver to Great Falls International Airport (GTF) departing from this base.

  • 2 hours is the average travel time for a direct Denver to Great Falls International Airport flight.

  • Great Falls International Airport is located in Great Falls. The city's timezone is UTC-6, which is the same as Denver.

  • The most popular route is from Denver International Airport (DEN) to Great Falls International Airport (GTF), with 14 direct services every week. If you're eager to be on your way, the earliest flight from DEN to GTF is the 11:21am United Airlines service. If you prefer travelling later, the last departure is at 7:25pm with United Airlines.

  • For a stress-free journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to catch your flight from Denver to GTF.

  • Planning to travel during a peak time like school or public holidays? Expect longer queues at security and check-in. To be on the safe side, arrive up to four hours before international flights and two hours ahead of domestic departures.

Airports in Denver

Denver International Airport (DEN)

  • Go straight to your destination from Denver International Airport (DEN). Nonstop flights from Denver to Great Falls International Airport (GTF) are available from here.

  • When jetting out of DEN, you can take a direct flight from Denver to Great Falls International Airport with United Airlines.

  • The most frequently booked airline between DEN and GTF is United Airlines.

  • United Airlines leads the way as the most punctual carrier on this route, with 91.67% of services reaching their destination on schedule.

  • The journey from central Denver to DEN takes around 1 hour 30 minutes by public transport. If you ride-share, drive or grab a cab, you'll cover the 40 kilometres in 35 minutes or so, depending on traffic.

  • Get your flight from Denver to Great Falls International Airport off to a relaxed start. Just a short drive from Denver International Airport, book a night at Baymont by Wyndham Denver International Airport and be well-rested for the journey ahead.

  • Denver International Airport scores top marks for on-time performance. 80.23% of flights that depart DEN land on time.

  • You'll find DEN at 8500 Pena Boulevard.

About Great Falls International Airport (GTF)

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

  • Great Falls International Airport to central Great Falls is roughly 5 kilometres. If you're getting a cab or renting a car, plan ahead to make your trip as smooth as possible. Journey times vary depending on traffic and the time of day.

  • Travelling by public transport takes roughly 4 hours.

How to find the cheapest flights from Denver to Great Falls International Airport (GTF)

  • The lowest price we've found for a one-way ticket from Denver to Great Falls International Airport is Rs66,075. For a return flight on this route, the best price is Rs65,388. Depending on how early you book and the availability, these fares may change.

  • Book two months before you want to fly. Research into pricing trends suggests this is the ideal window for finding cheap flights from Denver to GTF.

  • Plan your trip for July. That's the best month for landing an incredible deal on Denver to Great Falls International Airport tickets. If you're open to different travel dates, use the 'Whole month' tool to find the cheapest price across each month.

  • There's no need to check back in every day to find out if fares have dropped when you create a Price Alert. We'll let you know as soon as a better deal is available on flight tickets from Denver to GTF.

  • Uncover a great deal on a flight from Denver to Great Falls International Airport with the help of the filters. Choose your preferred departure and arrival times, airlines and number of stops. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest.'

The best time to fly from Denver to Great Falls International Airport (GTF)

  • October is the most popular month for flights from Denver to Great Falls International Airport (GTF). Plan your visit to Great Falls in February for a more laid-back experience.

  • Lock in a Denver to GTF flight ticket departing in July if you want to explore the city during its warmest month. You can expect temperatures in Great Falls to range from 11ºC to 33ºC.

  • For cooler conditions, look for a cheap ticket from Denver to Great Falls International Airport in February when temperatures are between -21ºC and 8ºC.

More about Great Falls

  • When it comes to looking for somewhere to rest your head, you'll find the most popular stays in Great Falls right here. Explore these hotels after you've booked your flight from Denver to Great Falls International Airport:

  • All great holidays should include a little sightseeing. Lewis & Clark National Historic Trail Interpretive Centre, Great Falls Dam View and St. Ann Cathedral are essential stops on your Great Falls itinerary.

Explore more of the United States

  • Billings is just one of the many places in the United States waiting to be discovered once you've seen Great Falls. Around 290 kilometres away to the south-east, popular attractions include Museum of Women's History, St. Patrick's Co-Cathedral and Yellowstone Art Museum.

  • If you're interested in discovering another major stop in the United States, consider Missoula, roughly 209 kilometres west of Great Falls. Mt Jumbo Trailhead, Mt Jumbo and Street Art are among its highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.