$130 Find Cheap Flights from Great Falls to Denver - Compare and Save

Among airlines operating Great Falls to Denver flights:

• United Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only United Airlines operates flights between Great Falls and Denver.

Flights from Great Falls to Denver usually depart from Great Falls (GTF) and arrive at Denver Intl (DEN).

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Only Economy Class is available on flights from Great Falls to Denver.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $284 round-trip via Seattle/Tacoma Intl (SEA), compared to $317 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$80 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Airbus A319 family is used most often on this route, operated mainly by United Airlines and Allegiant Air. Other aircraft seen on the route include Airbus A320-100/200 variants.

Connecting flights from Great Falls to Denver most commonly pass through:

• Salt Lake City (SLC) - 84% of one-stop connections
• Seattle/Tacoma Intl (SEA) - 16% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.

Yes. Being flexible with your travel dates can save you up to 29% on the Great Falls to Denver route. Wednesday is the cheapest departure day at $268 round-trip on average, while Friday is the most expensive at $373, a difference of $105. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Morning is the busiest departure period on Great Falls to Denver flights, with 50% of flights leaving in that window. Afternoon departures account for 50%, evening flights for 0%, and night flights for 0%.

Some of the most popular sights in Denver are Colorado Convention Center, Union Station Denver and Coors Field. These are among the most viewed places in Denver on KAYAK.

These are the earliest and latest flight times available from Great Falls to Denver:

• Earliest: departs at 6:15 am and lands at 8:14 am
• Latest: departs at 2:47 pm and lands at 4:46 pm.

The flight takes about 1h 59m.

Last-minute fares on this route - booked within 2 weeks of departure - run 43% above the route average of $305. Book 25 weeks before departure for the lowest fares.

A nonstop flight from Great Falls to Denver takes 1h 59m, covering 623 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $289 to $1,611. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from Great Falls to Denver are currently lower than usual. Average one-way flight prices are about $280, which is 12% below the typical average for this route.

Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 4h 39m, compared with 7h 30m via Seattle/Tacoma Intl (SEA).

Denver Intl Airport (DEN) hosts 5 major car rental companies, with daily rates starting from around $16 for economy cars. Top options include:
· Routes Car & Truck Rentals
· Ace
· NU Car
· Europcar
· Hertz

Round-trip flights from Great Falls to Denver range from $258 to $376, with an average of $305 over the past 12 months. Anything below $258 counts as a good deal.