$173+ Cheap flights from Great Falls to Denver (GTF - DEN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — DEN
Sep 27 — Oct 41
Round-trip
1 adult, Economy
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Find cheap flights from Great Falls to Denver with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Great Falls to Denver Intl are usually found in March or May, booked 69 days in advance, depart on a Wednesday or Tuesday and return on a Thursday
Cheap flight deals from Great Falls to Denver
Cheapest
Best
Last-minute
One-way
Cheapest flights from Great Falls to DenverExplore the most affordable flight options available from Great Falls to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 28, 2026.
Explore the most affordable flight options available from Great Falls to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 28, 2026.
This United Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:15 am -
Nonstop2h 01m
Mon 10/127:25 pm -
Nonstop1h 57m
Deal found 8/24![United Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:15 pm -
1 stop3h 47m
Sat 9/2610:45 am -
1 stop6h 56m
Deal found 8/24![Delta logo]()
$288
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:15 am -
Nonstop2h 01m
Wed 9/307:25 pm -
Nonstop1h 57m
Deal found 8/25![United Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/286:20 pm -
1 stop4h 17m
Tue 1/512:45 pm -
1 stop4h 58m
Deal found 8/27![Delta logo]()
$308
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:15 am -
Nonstop2h 01m
Sun 9/137:15 pm -
Nonstop1h 57m
Deal found 8/25![United Airlines logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/84:55 pm -
1 stop6h 53m
Wed 12/912:49 pm -
1 stop27h 24m
Deal found 8/25![Alaska Airlines logo]()
$328
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/296:20 pm -
1 stop4h 17m
Tue 1/56:25 pm -
1 stop4h 28m
Deal found 8/25![Delta logo]()
$338
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:40 am -
1 stop3h 34m
Sat 9/198:15 am -
1 stop4h 20m
Deal found 8/25![Delta logo]()
$343
This United Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/302:45 pm -
Nonstop1h 54m
Mon 11/211:45 am -
Nonstop2h 04m
Deal found 8/24![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:15 am -
Nonstop2h 01m
Mon 9/147:15 pm -
Nonstop1h 57m
Deal found 8/26![United Airlines logo]()
$350
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/286:20 pm -
1 stop4h 17m
Mon 1/46:25 pm -
1 stop4h 28m
Deal found 8/24![Delta logo]()
$358
Best flights from Great Falls to DenverDiscover carefully curated flight deals from Great Falls to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 28, 2026.
Discover carefully curated flight deals from Great Falls to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 28, 2026.
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:27 pm -
1 stop4h 13m
Sat 10/248:20 am -
1 stop4h 18m
Deal found 8/22![Delta logo]()
$288
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:15 am -
Nonstop2h 01m
Sun 9/137:15 pm -
Nonstop1h 57m
Deal found 8/25![United Airlines logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:19 pm -
1 stop6h 00m
Mon 10/56:59 pm -
2 stops21h 36m
Deal found 8/23![Alaska Airlines logo]()
$442
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:40 am -
1 stop4h 10m
Mon 10/510:45 am -
1 stop6h 56m
Deal found 8/24![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:21 pm -
1 stop4h 19m
Wed 9/308:05 am -
1 stop4h 30m
Deal found 8/25![Delta logo]()
$308
This United Airlines deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:15 am -
Nonstop2h 01m
Mon 9/147:15 pm -
Nonstop1h 57m
Deal found 8/26![United Airlines logo]()
$350
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:37 pm -
Nonstop2h 03m
Sun 10/187:25 pm -
Nonstop1h 57m
Deal found 8/27![United Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:27 pm -
1 stop4h 13m
Sun 10/1110:45 am -
1 stop7h 02m
Deal found 8/24![Delta logo]()
$368
This United Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:15 am -
Nonstop2h 01m
Mon 10/57:25 pm -
Nonstop1h 57m
Deal found 8/23![United Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:15 am -
Nonstop2h 01m
Mon 9/217:15 pm -
Nonstop1h 57m
Deal found 8/25![United Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:15 am -
Nonstop2h 01m
Sun 9/207:15 pm -
Nonstop1h 57m
Deal found 8/23![United Airlines logo]()
$434
Last-minute flights from Great Falls to DenverDiscover last-minute flight deals from Great Falls to Denver. Data last updated August 28, 2026 and is based on user searches.
Discover last-minute flight deals from Great Falls to Denver. Data last updated August 28, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:40 am -
1 stop3h 34m
Sat 9/198:15 am -
1 stop4h 20m
Deal found 8/25![Delta logo]()
$343
This deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/65:40 am -
1 stop3h 34m
Mon 9/141:00 pm -
1 stop4h 41m
Deal found 8/23![Delta logo]()
$308
This deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:15 am -
Nonstop2h 01m
Sun 9/137:15 pm -
Nonstop1h 57m
Deal found 8/23![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:15 am -
Nonstop2h 01m
Sun 9/137:15 pm -
Nonstop1h 57m
Deal found 8/25![United Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:15 am -
Nonstop2h 01m
Mon 9/147:15 pm -
Nonstop1h 57m
Deal found 8/26![United Airlines logo]()
$350
This United Airlines deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:15 am -
Nonstop2h 01m
Sun 9/207:15 pm -
Nonstop1h 57m
Deal found 8/26![United Airlines logo]()
$364
This United Airlines deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:15 am -
Nonstop2h 01m
Mon 9/217:15 pm -
Nonstop1h 57m
Deal found 8/26![United Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:15 am -
Nonstop2h 01m
Sat 9/267:25 pm -
Nonstop1h 57m
Deal found 8/24![United Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:15 pm -
1 stop3h 47m
Sat 9/2610:45 am -
1 stop6h 56m
Deal found 8/24![Delta logo]()
$288
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:15 am -
Nonstop2h 01m
Wed 9/307:25 pm -
Nonstop1h 57m
Deal found 8/25![United Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:21 pm -
1 stop4h 19m
Mon 10/56:06 pm -
1 stop4h 31m
Deal found 8/25![Delta logo]()
$338
One-way flights from Great Falls to DenverSearch for one-way flight options from Great Falls to Denver. Find affordable one-way fares based on user searches. Data last updated August 28, 2026.
Search for one-way flight options from Great Falls to Denver. Find affordable one-way fares based on user searches. Data last updated August 28, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:19 pm -
1 stop6h 00m
Deal found 8/26![Alaska Airlines logo]()
$173
This Trip.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:15 pm -
2 stops24h 34m
Deal found 8/25![Multiple Airlines logo]()
$249
This Trip.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:15 pm -
1 stop5h 22m
Deal found 8/25![Alaska Airlines logo]()
$259
This Trip.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/115:15 pm -
1 stop5h 22m
Deal found 8/26![Alaska Airlines logo]()
$261
This Priceline deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:18 pm -
1 stop5h 58m
Deal found 8/25![Alaska Airlines logo]()
$263
This United Airlines deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/272:37 pm -
Nonstop2h 03m
Deal found 8/26![United Airlines logo]()
$264
This Delta deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/81:18 pm -
1 stop9h 22m
Deal found 8/23![Delta logo]()
$272
This Alaska Airlines deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:19 pm -
2 stops25h 13m
Deal found 8/26![Alaska Airlines logo]()
$292
This United Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/82:37 pm -
Nonstop2h 03m
Deal found 8/23![United Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:51 am -
2 stops35h 39m
Deal found 8/23![Multiple Airlines logo]()
$300
This United Airlines deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/112:37 pm -
Nonstop2h 03m
Deal found 8/26![United Airlines logo]()
$303
This United Airlines deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/262:37 pm -
Nonstop2h 03m
Deal found 8/26![United Airlines logo]()
$304
Find flight deals from Great Falls to Denver
Discover tips and strategies to find the most affordable flight options for your journey from Great Falls (GTF) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $269 (United Airlines) |
One-way from | $173 (Alaska Airlines) |
Popular in | February |
Cheapest in | March |
Average price | $289 |
Good round-trip deal | $397 or less |
Good one-way deal | $373 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Great Falls to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 28, 2026.
Use the filters below to find and compare flights from Great Falls to Denver that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Great FallsDenver
GTF Great Falls - DEN Denver Intl
GTFDEN
Great Falls
Mon 10/19
6:27 pm-10:40 pm
1 stop4h 13m
Denver Intl
Sat 10/24
8:20 am-12:38 pm
1 stop4h 18m
$288
Great FallsDenver
GTF Great Falls - DEN Denver Intl
GTFDEN
Great Falls
Tue 9/29
5:40 am-9:50 am
1 stop4h 10m
Denver Intl
Mon 10/5
10:45 am-5:41 pm
1 stop6h 56m
$308
Great FallsDenver
GTF Great Falls - DEN Denver Intl
GTFDEN
Great Falls
Wed 9/23
6:21 pm-10:40 pm
1 stop4h 19m
Denver Intl
Wed 9/30
8:05 am-12:35 pm
1 stop4h 30m
$308
Quickest round-trip
Great FallsDenver
GTF Great Falls - DEN Denver Intl
GTFDEN
Great Falls
Wed 9/9
6:15 am-8:16 am
Nonstop2h 01m
Denver Intl
Sun 9/13
7:15 pm-9:12 pm
Nonstop1h 57m
$309
Great FallsDenver
GTF Great Falls - DEN Denver Intl
GTFDEN
Great Falls
Thu 9/10
6:15 am-8:16 am
Nonstop2h 01m
Denver Intl
Mon 9/14
7:15 pm-9:12 pm
Nonstop1h 57m
$350
Great FallsDenver
GTF Great Falls - DEN Denver Intl
GTFDEN
Great Falls
Thu 10/8
6:27 pm-10:40 pm
1 stop4h 13m
Denver Intl
Sun 10/11
10:45 am-5:47 pm
1 stop7h 02m
$368
Great FallsDenver
GTF Great Falls - DEN Denver Intl
GTFDEN
Great Falls
Thu 10/15
2:37 pm-4:40 pm
Nonstop2h 03m
Denver Intl
Sun 10/18
7:25 pm-9:22 pm
Nonstop1h 57m
$389
Great FallsDenver
GTF Great Falls - DEN Denver Intl
GTFDEN
Great Falls
Tue 9/29
6:15 am-8:16 am
Nonstop2h 01m
Denver Intl
Mon 10/5
7:25 pm-9:22 pm
Nonstop1h 57m
$389
Great FallsDenver
GTF Great Falls - DEN Denver Intl
GTFDEN
Great Falls
Thu 9/17
6:15 am-8:16 am
Nonstop2h 01m
Denver Intl
Mon 9/21
7:15 pm-9:12 pm
Nonstop1h 57m
$434
Great FallsDenver
GTF Great Falls - DEN Denver Intl
GTFDEN
Great Falls
Fri 9/18
6:15 am-8:16 am
Nonstop2h 01m
Denver Intl
Sun 9/20
7:15 pm-9:12 pm
Nonstop1h 57m
$434
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Great Falls to Denver
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Great Falls to Denver in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Great Falls-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Great Falls-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Great Falls-Denver flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Great Falls-Denver flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Great Falls-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Great Falls to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver from Great Falls with our price prediction graph.
GTF-DEN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Great Falls to Denver
Prices
Airlines
How far ahead should I book a flight from Great Falls to Denver?
Booking 22 days in advance of your planned departure date is, on average, the best time to get cheap flights from Great Falls to Denver. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Great Falls to Denver?
Currently, March is the cheapest month in which you can book a flight from Great Falls to Denver (average of $199). Flying from Great Falls to Denver in February is currently the most expensive (average of $437). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from GTF to DEN?
Find hourly flight availability from Great Falls to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 28, 2026.
When flying from Great Falls to Denver, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Reviews of airlines servicing Denver
Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated August 28, 2026.
Read through reviews of airlines operating flights from Great Falls to Denver, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Comfort
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Entertainment
7.8
Comfort
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Entertainment
7.8
Comfort
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Related info for your journey
Find useful and relevant information for your journey from Great Falls to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Denver?
Book flights to Denver if you plan to visit one of these locationsThornton
Westminster
Black Hawk
Lakewood
Centennial
Broomfield
Golden
Wheat Ridge
Silverthorne
Central City
Fort Morgan
Greeley
Cripple Creek
Winter Park
Limon
Manitou Springs
Frisco
Englewood
Glendale
Evergreen
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Great Falls and Denver flights
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Top 2 airlines flying from Great Falls to Denver
Discover the top 2 airlines that operate flights from Great Falls to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$198 | Average$312 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$213 | Average$273 | FlexibilityNo cancel fee | On-timeN/A |