GTF - DEN

$159 Find Cheap Flights from Great Falls to Denver - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 26% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$308
Typical prices: $275-$416
Multiple Airlines
Mon 12/3Sat 12/8
GTF - DEN • 1 stop
Cheapest non-stop
$339
Typical prices: $285-$420
United Airlines
Sun 12/2Sun 12/9
GTF - DEN • Non-stop
Nonstop flights
You can fly direct with United Airlines. Average duration is 2h
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 25 weeks in advance save around 61% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 41% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $284 (round-trip)
Shortest trip • 4h 43m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Denver!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Great Falls to Denver (GTF-DEN)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Great Falls to Denver

Sat, Jan 23 - Wed, Jan 27
Alaska Airlines Logo
4:08 pm - 11:39 pmGTF  Great Falls-DEN Denver Intl
7h 31m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:03 am - 3:28 pmDEN  Denver Intl-GTF Great Falls
8h 25m1 stop Seattle/Tacoma Intl
$299Alaska Airlines
Thu, Dec 3 - Tue, Dec 8
Multiple Airlines Logo
11:32 am - 9:18 amGTF  Great Falls-DEN Denver Intl
21h 46m1 stop Phoenix-Mesa Gateway
Multiple Airlines Logo
10:50 pm - 10:42 amDEN  Denver Intl-GTF Great Falls
35h 52m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl
$308Multiple Airlines
Sat, Jan 23 - Wed, Jan 27
Alaska Airlines Logo
4:08 pm - 11:39 pmGTF  Great Falls-DEN Denver Intl
7h 31m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:03 am - 3:28 pmDEN  Denver Intl-GTF Great Falls
8h 25m1 stop Seattle/Tacoma Intl
$318Alaska Airlines
Sat, Jan 23 - Wed, Jan 27
Alaska Airlines Logo
4:08 pm - 11:39 pmGTF  Great Falls-DEN Denver Intl
7h 31m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:03 am - 3:28 pmDEN  Denver Intl-GTF Great Falls
8h 25m1 stop Seattle/Tacoma Intl
$338Alaska Airlines
Mon, Dec 21 - Mon, Jan 18
United Airlines Logo
6:20 am - 8:23 amGTF  Great Falls-DEN Denver Intl
2h 03mnonstop
United Airlines Logo
11:30 am - 1:36 pmDEN  Denver Intl-GTF Great Falls
2h 06mnonstop
$339United Airlines
Wed, Dec 2 - Wed, Dec 9
United Airlines Logo
6:30 am - 8:29 amGTF  Great Falls-DEN Denver Intl
1h 59mnonstop
United Airlines Logo
7:05 pm - 9:13 pmDEN  Denver Intl-GTF Great Falls
2h 08mnonstop
$339United Airlines
Fri, Mar 12 - Mon, Mar 22
United Airlines Logo
2:25 pm - 4:17 pmGTF  Great Falls-DEN Denver Intl
1h 52mnonstop
United Airlines Logo
7:30 pm - 9:34 pmDEN  Denver Intl-GTF Great Falls
2h 04mnonstop
$339United Airlines
Fri, Dec 18 - Thu, Jan 7
Delta Logo
1:19 pm - 8:31 pmGTF  Great Falls-DEN Denver Intl
7h 12m1 stop Salt Lake City
Delta Logo
8:03 am - 12:42 pmDEN  Denver Intl-GTF Great Falls
4h 39m1 stop Salt Lake City
$358Delta
Sat, Dec 19 - Tue, Jan 5
Delta Logo
5:35 am - 11:34 amGTF  Great Falls-DEN Denver Intl
5h 59m1 stop Salt Lake City
Delta Logo
8:03 am - 12:42 pmDEN  Denver Intl-GTF Great Falls
4h 39m1 stop Salt Lake City
$358Delta
Fri, Dec 18 - Mon, Jan 4
Delta Logo
1:19 pm - 8:31 pmGTF  Great Falls-DEN Denver Intl
7h 12m1 stop Salt Lake City
Delta Logo
12:29 pm - 5:47 pmDEN  Denver Intl-GTF Great Falls
5h 18m1 stop Salt Lake City
$358Delta
Booking Insights

Price, demand and travel trends for Great Falls to Denver flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from Great Falls to Denver?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Great Falls to Denver. It’s 14% cheaper than the average day, while Sunday is the most expensive, with prices 39% higher.

What’s the cheapest month to fly from Great Falls to Denver?

•March is the cheapest month to fly from Great Falls to Denver at $199 round-trip.
•February ($437) and December ($416) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 119% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Great Falls to Denver the cheapest?

Flights from Great Falls to Denver are cheapest 25 weeks before departure. Booking in this window typically costs about 61% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Great Falls to Denver flights

Low season

January

Cheapest flight

$159
Beat the crowds with an average 47% drop in travelers.
The most popular month to fly with an average 41% increase in travelers.
One-way flight from Great Falls to Denver

When to book flights from Great Falls to Denver

Are your dates flexible? Find out the best times to travel from Great Falls to Denver based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Great Falls to Denver flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Great Falls to Denver?

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

    • Earliest: departs at 6:20 am and lands at 8:20 am
    • Latest: departs at 2:47 pm and lands at 4:47 pm.

    The flight takes about 2h.

  • What cabin classes can I book on flights from Great Falls to Denver?

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

  • How long is a flight from Great Falls to Denver?

    A nonstop flight from Great Falls to Denver takes 2h, covering 623 miles.

  • Do I need a passport to fly from Great Falls to Denver?

    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.

  • How much should I expect to pay for a Great Falls to Denver flight?

    Round-trip flights from Great Falls to Denver range from $275 to $416, with an average of $338 over the past 12 months. Anything below $275 counts as a good deal.

  • How expensive are last-minute Great Falls to Denver flights?

    Last-minute fares on this route (booked within two weeks of departure) run 59% above the $338 route average. Book 25 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying 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 $338 for nonstop.

  • What is the standard checked-bag allowance on flights from Great Falls to Denver?

    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.

  • Which aircraft model is used most often on flights from Great Falls to Denver?

    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.

  • How are flight departures from Great Falls to Denver spread across the day?

    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%.

  • Have flight prices from Great Falls to Denver changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $308 to $1,296. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Great Falls to Denver looking right now?

    One-way fares from Great Falls to Denver are currently lower than usual. Average one-way flight prices are about $262, which is 10% below the typical average for this route.

  • What car rental options are available at Denver Intl Airport (DEN)?

    Denver Intl Airport (DEN) hosts 5 major car rental companies, with daily rates averaging $56 for economy cars. Top options include:

    • Routes Car & Truck Rentals
    • Europcar
    • Ace
    • NU Car
    • Hertz

  • Which airports can I use when flying from Great Falls to Denver?

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

  • Which airports do connecting flights from Great Falls to Denver pass through?

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

    • Salt Lake City (SLC) - 80% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 20% of one-stop connections

  • Can I save money by using flexible dates for flights from Great Falls to Denver?

    Yes. Flexible dates can save you up to 38% on flights from Great Falls to Denver. Thursday is the cheapest departure day at $292 round-trip on average, while Sunday is the most expensive at $470, a difference of $178.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Great Falls to Denver?

    Only United Airlines operates flights between Great Falls and Denver.

  • How much time can I save by choosing a different layover airport from Great Falls to Denver?

    Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 4h 43m, compared with 7h 30m via Seattle/Tacoma Intl (SEA).

  • What popular places can I visit in Denver?

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

  • Which airlines offer extra legroom and free seat selection on Great Falls to Denver flights?

    Among airlines operating Great Falls to Denver flights:

    • United Airlines: offers free seat selection

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

  • Which airlines include bags at no extra cost on Great Falls to Denver flights?

    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 always check the fare details before booking.

Your guide to booking Great Falls to Denver flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Sunday. On this route, Thursday flights average $292, about $178 less than Sunday fares (38% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 25 weeks before you fly. On this route, that window historically saves about 61% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Great Falls to Denver trip for March. Fares historically average $199 round-trip in that month - typically $238 less than the most expensive month, which is February (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Seattle/Tacoma Intl Airport (SEA) can be cheaper than flying direct. The cheapest layover option averages $284 round-trip on this route - about $54 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Denver Intl Airport.

    • The Westin Denver International Airport

Prefer to fly direct from Great Falls to Denver?

 
Find which airlines fly direct from Great Falls Airport to Denver Intl Airport, which days they fly and book direct flights.

Direct departures

Great Falls to Denver Intl

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Direct returns

Denver Intl to Great Falls

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

More options for your flight from Great Falls to Denver

Complete your trip to Denver with a hotel stay or car rental