$194 Find Cheap Flights from Denver to Great Falls - Compare and Save

Among airlines operating Denver to Great Falls flights:

• United Airlines: offers free seat selection

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

Only United Airlines operates flights between Denver and Great Falls.

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

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

• United Airlines: a cabin bag in Economy Class 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 Denver to Great Falls.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $305 round-trip via Salt Lake City (SLC), compared to $331 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. Other aircraft seen on the route include Airbus A320-100/200 variants.

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

• Salt Lake City (SLC) - 82% of one-stop connections
• Seattle/Tacoma Intl (SEA) - 18% 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 35% on the Denver to Great Falls route. Thursday is the cheapest departure day at $285 round-trip on average, while Monday is the most expensive at $438, a difference of $153. 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 Denver to Great Falls flights, with 50% of flights leaving in that window. Evening departures account for 50%, afternoon flights for 0%, and night flights for 0%.

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

• Earliest: departs at 11:33 am and lands at 1:35 pm
• Latest: departs at 7:30 pm and lands at 9:32 pm.

The flight takes about 2h 02m.

A nonstop flight from Denver to Great Falls takes 2h 02m, 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 $309 to $1,527. That means the highest observed fare was about 5x higher than the lowest one.

One-way fares from Denver to Great Falls are currently in line with typical prices for this route. Average one-way fares are about $254.

Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 4h 49m, compared with 11h 12m via Seattle/Tacoma Intl (SEA).

Great Falls Airport (GTF) hosts 5 major car rental companies, with daily rates starting from around $23 for economy cars. Top options include:
• Avis
• Budget
• Alamo
• Hertz
• Enterprise Rent-A-Car

Round-trip flights from Denver to Great Falls range from $264 to $423, with an average of $328 over the past 12 months. Anything below $264 counts as a good deal.