Compare fares, departure times, stops and baggage details for this route, then open the full search when you are ready to check current availability and complete booking.
GTFDENThu, 08 Oct
Fare checked before payment No hidden charges Transparent cancellation policy 24×7 booking support
Lowest fareUS$311United Airlines
Fastest2h 1mgate to gate
Options found53flights on this route
Find your flightGTF → DEN
Available Flights & Fares
Compare fares, timings and baggage. Pick the flight that suits your trip.
Prices in USD
53 flight options
Fares are checked again before payment.
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Fare RulesNon-refundable fare. Final rules are verified before booking.
Delta Air Lines
DL-3800
18:27
2026-10-08
Great Falls (GTF)International
23H :05 M
2 Stops
SLC
· 3h 46m Salt Lake City (SLC), United States
DTW
· 11h 00m Detroit (DTW), United States
17:32
2026-10-09
Denver (DEN)Denver International
Non Refundable 5 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$828
Flight DetailsGTF to DEN - 23H :05 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Delta Air Lines
DL-3862
05:40
2026-10-08
Great Falls (GTF)International
6H :48 M
1 Stop
SLC
· 3h 25m Salt Lake City (SLC), United States
12:28
2026-10-08
Denver (DEN)Denver International
Non Refundable 1 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$845
Flight DetailsGTF to DEN - 6H :48 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Delta Air Lines
DL-3862
05:40
2026-10-08
Great Falls (GTF)International
15H :12 M
1 Stop
SLC
· 11h 56m Salt Lake City (SLC), United States
20:52
2026-10-08
Denver (DEN)Denver International
Non Refundable 1 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$850
Flight DetailsGTF to DEN - 15H :12 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
No flights match the selected filters. Clear filters or open full search.
Today's Airfare Highlights
Selected flight highlights for 08 Oct 2026.
Lowest fare$311United Airlines06:15
Earliest departure$401Delta Air Lines05:40
Shortest duration$311United Airlines06:15
Night
00:00-05:59
$401Delta Air Lines at 05:40Morning
06:00-11:59
$311United Airlines at 06:15Afternoon
12:00-17:59
$311United Airlines at 14:37Evening
18:00-23:59
$321Delta Air Lines at 18:27
Departure & Arrival Airport Details
Great Falls (GTF)
International
United States
GMT -7
Latitude: 47.48199844
Longitude: -111.3710022
Denver (DEN)
Denver International
United States
GMT -7
Latitude: 39.861698150635
Longitude: -104.672996521
Distance: Great Falls (GTF), United States to Denver (DEN), United States - 1,003.21 km
Flights shown for 08 Oct 2026. View all flights opens the complete search result.
Fares and hotel rates usually run higher around these dates. Booking earlier — or shifting a day or two — often costs less.
Busiest periods: Summer travel (15 Jun – 31 Aug), Holiday season (18 Dec – 02 Jan).
12OctColumbus DayMonday · in 20 daysPeak
12OctColumbus DayMonday · in 20 daysPeak
12OctIndigenous Peoples' DayMonday · in 20 daysPeak
11NovVeterans DayWednesday · in 50 days
26NovThanksgiving DayThursday · in 65 days
25DecChristmas DayFriday · in 94 days
Fixed-date national holidays. Festivals that follow the lunar calendar shift each year and are not listed here — check the exact date for your travel year.
Compare your journey
How to travel Great Falls to Denver
Every option we can actually book for you, compared on price and journey time.
Connecting flight₹30,824Longer — includes a stop51 options
Air distance is about 1,003 km. 3 airlines operate this route.
Road distance and coach duration are approximate estimates from the air distance, not a timetable.
Airlines flying from Great Falls to Denver
Compare fares, stops, baggage and refundability across the airlines flying this route.
DE
Delta Air Lines Flights
from $32146 flights
Fares from
$321
Non-stop
None in these results
Departures
46 — compare timings in the list above
AL
Alaska Airlines Flights
from $7525 flights
Fares from
$752
Non-stop
None in these results
Departures
5 — compare timings in the list above
Route Overview & Flight Facts
Fastest flight duration
2h 1m · United Airlines
First departure of the day
05:40 · Delta Air Lines
Last departure of the day
18:27 · Delta Air Lines
Options in this snapshot
53
Direct / non-stop options
2
Airport codes
Great Falls–GTF, Denver–DEN
Fares and timings are indicative — the exact price is confirmed with the airline when you search.
Flight Schedule, Timings & Airfare Insights
Daily Flight Schedule & Travel Duration
Around 53 flights appear in the dated route snapshot, including 2 non-stop options. Departures run through the day — the first flight leaves around 05:40 and the last around 18:27. The fastest flight takes about 2h 1m.
Morning vs Evening Departure Fares
Lowest fare by departure window: Morning from $311, Afternoon from $311, Evening from $321, Night from $401. These observations do not predict the cheapest departure window on other dates.
Cheapest Airfare & Best Time to Book
Search your travel dates to compare current fares — prices update continuously with airline inventory.
One-Way vs Round-Trip Fare Comparison
Compare the complete cost and conditions of both options for your dates. A round-trip can have different fare and change rules from two one-way tickets. One booking may contain multiple airline PNRs; confirm baggage transfer and connection protection for separate tickets.
Online Web Check-In & Boarding Pass
Check the operating airline’s opening time and check-in deadline for each sector. Seat charges and availability depend on your fare. Use the airline reference and the links on Web Check-in.
How to Book Cheap Flights on FlyX
1
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2
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Sort or filter the Great Falls–Denver results by price, departure time, stops and airline.
3
Open the fare choices
Check baggage allowance and refundability for each fare type before continuing.
4
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5
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Why Book Your Flight with FlyX?
Compare the available Great Falls to Denver options by total price, stops, baggage and fare conditions. Search your dates for current availability, then review traveller details and the final price before paying.
Payment confirmation and ticket issuance are separate steps. If your booking is awaiting a PNR or ticket, follow its status and contact FlyX support when you need help. Your issued ticket contains the airline reference and itinerary. Change and cancellation charges depend on the purchased fare and any separately disclosed service fee.
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Frequently Asked Questions
Is it worth booking Great Falls to Denver flights in advance?
There is no guaranteed cheapest booking window. Compare your planned dates early, check nearby dates and consider baggage, connection time and change conditions as well as price. Across the dates currently loaded for Great Falls to Denver, Thursday shows the lowest fare at $311. That is an observed snapshot for these dates, not a rule that holds every week.
How far is Great Falls from Denver by air?
The direct air distance between Great Falls (GTF) and Denver (DEN) is about 1,003 km. Actual flight time varies with the routing the airline files and with winds on the day.
Are there non-stop flights from GTF to DEN?
Yes. 2 non-stop flights are showing on Great Falls to Denver for the dates currently loaded. Use the Stops filter to see only those.
Which airlines fly Great Falls to Denver?
Delta Air Lines and Alaska Airlines are showing on this route for the dates currently loaded. Fares, baggage allowance and refund rules differ by airline and by fare type, so compare the fare conditions and not only the headline price.
How long is the flight from Great Falls to Denver?
The quickest non-stop Great Falls to Denver flight currently loaded takes about 2h 1m. Across the non-stop options showing, block time ranges from 2h 1m to 2h 3m. Journeys with a stop take longer, since the total includes the layover.
What is the baggage allowance on Great Falls to Denver flights?
Allowance is set by the airline and the fare you pick, not by the route. Fares showing right now include 2 Pieces. Cabin baggage is counted separately, and the exact allowance for the fare you choose is shown in the fare conditions before payment.
What is the cheapest Great Falls to Denver flight fare?
The lowest fare showing on Great Falls to Denver for the dates currently loaded is $311. Fares on the same dates run up to $2,147, depending on airline, timing and fare type. Airline pricing moves continuously, so treat this as a dated observation rather than a fixed price.
What time do Great Falls to Denver flights depart?
For the dates currently loaded the first departure is around 05:40 and the last is around 18:27, local time at Great Falls. Use the departure-time filter on the results above to narrow to a morning, afternoon or evening slot.
Why does the price change after clicking Book Now?
Airline seat inventory and fares change continuously. Selecting Book Now runs a live fare verification with the airline so the price you approve is the price you pay - if it has moved, you see the new figure before any payment.
Before you book this route
Check the airport codes GTF–DEN, local departure and arrival dates, and every connecting airport. Connections can have different document and baggage requirements from your final destination.
Where these fares come from
The fares, durations, stops and baggage shown here come from real airline search results for this route. They are examples for the dates on this page, not a full timetable and not a locked price — run a search to see what is available for your own dates.
Last checked .
Check official travel requirements
Confirm passport, visa and transit rules for your nationality and full itinerary with the relevant government and operating airline. IATA travel-document information explains why requirements vary.
Planning more than the flight? Our United States guide covers the visa process for Indian passport holders, best time to go, how long to plan for, and which places are worth the days you have. Long-haul city breaks and national parks.
The GTF to DEN cards above show selected flight options. Airline prices and seat availability can move quickly, so the final fare is rechecked in the booking flow.
Approx route distance: 1,003.21 km.
Before you book
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Lowest Great Falls to Denver airfare today, in 30 days and in 90 days
Cheapest Fare
Fare
Date
Airline
Departure
Lowest Airfare Today
$311
08/10/2026
United Airlines
06:15
Cheapest Airfare Within 30 Days
$305
22/10/2026
United Airlines
06:15
Cheapest Airfare Within 90 Days
$296
21/12/2026
United Airlines
06:15
Book Great Falls to Denver Flight Tickets on FlyX
Planning to fly from Great Falls to Denver? FlyX lets you compare flight rates, airline timings, layovers, and baggage allowances all in one simple list. From quick non-stop routes to flexible connecting options, finding and booking cheap air tickets has never been easier.
Great Falls to Denver Flight Distance, Duration and Time
The aerial distance between Great Falls and Denver is approximately 1,003 KM. The flight duration ranges from 2H :01 M up to 38H :33 M depending on whether you book a non-stop flight or a connecting schedule with layovers.
Great Falls to Denver Flight Schedule and Timing
Around 53 flights operate on this route, providing plenty of choices for your travel window. The earliest morning flight departs from Great Falls at 05:40, while the last night flight leaves at 18:27. Flights depart from International and land at Denver International.
Flight Route Details & Analysis
Flight Details
Information
Route
Great Falls to Denver
Aerial Distance
1,003 KM
Flight Duration
2H :01 M - 38H :33 M
Airport Codes
Great Falls - GTF, Denver - DEN
Total Flights Available
53 flights (2 direct)
First Flight Departure
Departs at 05:40
Last Flight Departure
Departs at 18:27
Early Morning Flights (12 AM - 8 AM)
22 direct/indirect flights
Morning Flights (8 AM - 12 PM)
0 direct/indirect flights
Afternoon Flights (12 PM - 4 PM)
12 direct/indirect flights
Evening Flights (4 PM - 8 PM)
19 direct/indirect flights
Night Flights (8 PM - 12 AM)
0 direct/indirect flights
Airport Information & Terminals
GTF: Great Falls airport. Great Falls airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.
DEN: Denver airport. Denver airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.
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