$143+ 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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — DEN
jun 27 — jul 41
Round-trip
1 adult, Economy
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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 maio 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 maio 28, 2026.
This United Airlines deal was found by Cheapflights users on 5/25. 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.
sex 8/76:15 am
GTF
- DEN
Nonstop2h 00m
United Airlines
ter 8/117:15 pm
DEN
- GTF
Nonstop1h 57m
United Airlines
Deal found 5/25![United Airlines logo]()
$259
This United Airlines deal was found by Cheapflights users on 5/25. 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.
sex 7/106:15 am
GTF
- DEN
Nonstop2h 00m
United Airlines
dom 7/127:38 pm
DEN
- GTF
Nonstop1h 56m
United Airlines
Deal found 5/25![United Airlines logo]()
$275
This Delta deal was found by Cheapflights users on 5/27. 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.
sex 9/186:21 pm
GTF
- DEN
1 stop4h 10m
Delta
dom 9/2011:00 am
DEN
- GTF
1 stop6h 41m
Delta
Deal found 5/27![Delta logo]()
$278
This United Airlines deal was found by Cheapflights users on 5/23. 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.
sáb 6/62:37 pm
GTF
- DEN
Nonstop2h 00m
United Airlines
qua 6/177:38 pm
DEN
- GTF
Nonstop1h 56m
United Airlines
Deal found 5/23![United Airlines logo]()
$279
This United Airlines deal was found by Cheapflights users on 5/27. 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.
sex 7/36:15 am
GTF
- DEN
Nonstop2h 00m
United Airlines
qui 7/237:38 pm
DEN
- GTF
Nonstop1h 56m
United Airlines
Deal found 5/27![United Airlines logo]()
$292
This United Airlines deal was found by Cheapflights users on 5/24. 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.
qui 7/166:15 am
GTF
- DEN
Nonstop2h 00m
United Airlines
ter 7/217:38 pm
DEN
- GTF
Nonstop1h 56m
United Airlines
Deal found 5/24![United Airlines logo]()
$293
This Delta deal was found by Cheapflights users on 5/25. 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.
qua 8/56:22 pm
GTF
- DEN
1 stop4h 29m
Delta
sáb 8/812:54 pm
DEN
- GTF
1 stop4h 48m
Delta
Deal found 5/25![Delta logo]()
$298
This United Airlines deal was found by Cheapflights users on 5/26. 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.
qua 6/106:15 am
GTF
- DEN
Nonstop2h 00m
United Airlines
dom 6/1411:43 am
DEN
- GTF
Nonstop1h 58m
United Airlines
Deal found 5/26![United Airlines logo]()
$299
This United Airlines deal was found by Cheapflights users on 5/26. 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.
sáb 6/66:15 am
GTF
- DEN
Nonstop2h 00m
United Airlines
qui 6/187:38 pm
DEN
- GTF
Nonstop1h 56m
United Airlines
Deal found 5/26![United Airlines logo]()
$314
This United Airlines deal was found by Cheapflights users on 5/28. 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.
qui 6/116:15 am
GTF
- DEN
Nonstop2h 00m
United Airlines
ter 6/1611:43 am
DEN
- GTF
Nonstop1h 58m
United Airlines
Deal found 5/28![United Airlines logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 8/310:19 am
GTF
- DEN
1 stop17h 29m
Multiple Airlines
qui 8/66:10 am
DEN
- GTF
1 stop27h 19m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$332
This Delta deal was found by Cheapflights users on 5/25. 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.
seg 8/31:08 pm
GTF
- DEN
1 stop6h 53m
Delta
dom 8/93:56 pm
DEN
- GTF
1 stop6h 42m
Delta
Deal found 5/25![Delta logo]()
$333
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 maio 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 maio 28, 2026.
This United Airlines deal was found by Cheapflights users on 5/27. 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.
qua 9/166:15 am
GTF
- DEN
Nonstop2h 01m
United Airlines
seg 9/217:15 pm
DEN
- GTF
Nonstop1h 57m
United Airlines
Deal found 5/27![United Airlines logo]()
$259
This Delta deal was found by Cheapflights users on 5/23. 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.
sex 8/76:22 pm
GTF
- DEN
1 stop4h 29m
Delta
seg 8/107:05 am
DEN
- GTF
1 stop5h 23m
Delta
Deal found 5/23![Delta logo]()
$278
This Alaska Airlines deal was found by Cheapflights users on 5/25. 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.
dom 8/165:09 pm
GTF
- DEN
1 stop6h 50m
Alaska Airlines
qua 8/197:08 pm
DEN
- GTF
1 stop21h 30m
Alaska Airlines
Deal found 5/25![Alaska Airlines logo]()
$342
This United Airlines deal was found by Cheapflights users on 5/26. 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.
sáb 8/86:15 am
GTF
- DEN
Nonstop2h 00m
United Airlines
qua 8/127:15 pm
DEN
- GTF
Nonstop1h 57m
United Airlines
Deal found 5/26![United Airlines logo]()
$293
This Delta deal was found by Cheapflights users on 5/24. 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.
qua 8/56:22 pm
GTF
- DEN
1 stop4h 29m
Delta
qua 8/123:56 pm
DEN
- GTF
1 stop6h 42m
Delta
Deal found 5/24![Delta logo]()
$298
This United Airlines deal was found by Cheapflights users on 5/24. 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.
sex 7/36:15 am
GTF
- DEN
Nonstop2h 00m
United Airlines
dom 7/511:43 am
DEN
- GTF
Nonstop1h 58m
United Airlines
Deal found 5/24![United Airlines logo]()
$298
This Alaska Airlines deal was found by Cheapflights users on 5/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 8/285:18 pm
GTF
- DEN
1 stop5h 58m
Alaska Airlines
seg 8/318:22 am
DEN
- GTF
1 stop8h 16m
Alaska Airlines
Deal found 5/27![Alaska Airlines logo]()
$368
This Delta deal was found by Cheapflights users on 5/23. 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.
seg 6/86:25 pm
GTF
- DEN
1 stop4h 16m
Delta
ter 6/163:55 pm
DEN
- GTF
1 stop6h 45m
Delta
Deal found 5/23![Delta logo]()
$353
This United Airlines deal was found by Cheapflights users on 5/28. 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.
qua 6/106:15 am
GTF
- DEN
Nonstop2h 00m
United Airlines
seg 6/157:38 pm
DEN
- GTF
Nonstop1h 56m
United Airlines
Deal found 5/28![United Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 5/23. 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.
qui 7/161:17 pm
GTF
- DEN
1 stop6h 44m
Delta
ter 7/213:55 pm
DEN
- GTF
1 stop6h 42m
Delta
Deal found 5/23![Delta logo]()
$353
Last-minute flights from Great Falls to DenverDiscover last-minute flight deals from Great Falls to Denver. Data last updated maio 28, 2026 and is based on user searches.
Discover last-minute flight deals from Great Falls to Denver. Data last updated maio 28, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/25. 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.
sex 6/52:37 pm
GTF
- DEN
Nonstop2h 00m
United Airlines
qua 6/177:38 pm
DEN
- GTF
Nonstop1h 56m
United Airlines
Deal found 5/25![United Airlines logo]()
$338
This United Airlines deal was found by Cheapflights users on 5/23. 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.
sáb 6/62:37 pm
GTF
- DEN
Nonstop2h 00m
United Airlines
qua 6/177:38 pm
DEN
- GTF
Nonstop1h 56m
United Airlines
Deal found 5/23![United Airlines logo]()
$279
This United Airlines deal was found by Cheapflights users on 5/26. 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.
sáb 6/66:15 am
GTF
- DEN
Nonstop2h 00m
United Airlines
qui 6/187:38 pm
DEN
- GTF
Nonstop1h 56m
United Airlines
Deal found 5/26![United Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 5/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 6/66:19 pm
GTF
- DEN
1 stop4h 21m
Delta
qui 6/185:40 am
DEN
- GTF
1 stop7h 00m
Delta
Deal found 5/26![Delta logo]()
$333
This Delta deal was found by Cheapflights users on 5/25. 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.
sáb 6/66:19 pm
GTF
- DEN
1 stop4h 21m
Delta
ter 6/93:55 pm
DEN
- GTF
1 stop6h 45m
Delta
Deal found 5/25![Delta logo]()
$353
This United Airlines deal was found by Cheapflights users on 5/26. 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.
qua 6/106:15 am
GTF
- DEN
Nonstop2h 00m
United Airlines
dom 6/1411:43 am
DEN
- GTF
Nonstop1h 58m
United Airlines
Deal found 5/26![United Airlines logo]()
$299
This United Airlines deal was found by Cheapflights users on 5/28. 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.
qua 6/106:15 am
GTF
- DEN
Nonstop2h 00m
United Airlines
seg 6/157:38 pm
DEN
- GTF
Nonstop1h 56m
United Airlines
Deal found 5/28![United Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 5/28. 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.
qui 6/116:15 am
GTF
- DEN
Nonstop2h 00m
United Airlines
ter 6/1611:43 am
DEN
- GTF
Nonstop1h 58m
United Airlines
Deal found 5/28![United Airlines logo]()
$315
This United Airlines deal was found by Cheapflights users on 5/28. 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.
qui 6/182:37 pm
GTF
- DEN
Nonstop2h 00m
United Airlines
seg 6/227:38 pm
DEN
- GTF
Nonstop1h 56m
United Airlines
Deal found 5/28![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 5/24. 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.
qui 6/256:15 am
GTF
- DEN
Nonstop2h 00m
United Airlines
dom 6/287:38 pm
DEN
- GTF
Nonstop1h 56m
United Airlines
Deal found 5/24![United Airlines logo]()
$259
This Delta deal was found by Cheapflights users on 5/27. 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.
qui 6/256:25 pm
GTF
- DEN
1 stop4h 16m
Delta
seg 7/612:45 pm
DEN
- GTF
1 stop4h 59m
Delta
Deal found 5/27![Delta logo]()
$298
This Delta deal was found by Cheapflights users on 5/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 6/265:40 am
GTF
- DEN
1 stop6h 13m
Delta
sáb 7/46:21 pm
DEN
- GTF
1 stop4h 19m
Delta
Deal found 5/26![Delta logo]()
$278
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 maio 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 maio 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 6/1510:18 am
GTF
- DEN
2 stops47h 08m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$143
This Alaska Airlines deal was found by Cheapflights users on 5/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 9/195:19 pm
GTF
- DEN
1 stop6h 00m
Alaska Airlines
Deal found 5/27![Alaska Airlines logo]()
$158
This Alaska Airlines deal was found by Cheapflights users on 5/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 9/245:19 pm
GTF
- DEN
1 stop6h 00m
Alaska Airlines
Deal found 5/27![Alaska Airlines logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 5/23. 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.
sex 8/710:19 am
GTF
- DEN
1 stop17h 37m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$207
This United Airlines deal was found by Cheapflights users on 5/27. 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.
sex 6/262:37 pm
GTF
- DEN
Nonstop2h 00m
United Airlines
Deal found 5/27![United Airlines logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 5/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 6/2610:18 am
GTF
- DEN
1 stop17h 40m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$223
This Alaska Airlines deal was found by Cheapflights users on 5/25. 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.
sáb 6/135:09 pm
GTF
- DEN
1 stop5h 36m
Alaska Airlines
Deal found 5/25![Alaska Airlines logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 5/23. 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.
sex 6/510:18 am
GTF
- DEN
1 stop7h 46m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 5/27. 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.
ter 9/221:15 pm
GTF
- DEN
2 stops22h 08m
Delta
Deal found 5/27![Delta logo]()
$250
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 maio 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $259 (United Airlines) |
One-way from | $143 (Kiwi.com) |
Popular in | February |
Cheapest in | March |
Average price | $316 |
Good round-trip deal | $428 or less |
Good one-way deal | $259 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 2,558,603 searches. Data last updated maio 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 - DEN
GTFDEN
Great Falls
qua 9/16
6:15 am-8:16 am
Nonstop2h 01m
Denver Intl
seg 9/21
7:15 pm-9:12 pm
Nonstop1h 57m
$259
Great FallsDenver
GTF - DEN
GTFDEN
Great Falls
sex 8/7
6:22 pm-10:51 pm
1 stop4h 29m
Denver Intl
seg 8/10
7:05 am-12:28 pm
1 stop5h 23m
$278
Great FallsDenver
GTF - DEN
GTFDEN
Great Falls
sáb 8/8
6:15 am-8:15 am
Nonstop2h 00m
Denver Intl
qua 8/12
7:15 pm-9:12 pm
Nonstop1h 57m
$293
Great FallsDenver
GTF - DEN
GTFDEN
Great Falls
qua 8/5
6:22 pm-10:51 pm
1 stop4h 29m
Denver Intl
qua 8/12
3:56 pm-10:38 pm
1 stop6h 42m
$298
Great FallsDenver
GTF - DEN
GTFDEN
Great Falls
sex 7/3
6:15 am-8:15 am
Nonstop2h 00m
Denver Intl
dom 7/5
11:43 am-1:41 pm
Nonstop1h 58m
$298
Quickest round-trip
Great FallsDenver
GTF - DEN
GTFDEN
Great Falls
qua 6/10
6:15 am-8:15 am
Nonstop2h 00m
Denver Intl
seg 6/15
7:38 pm-9:34 pm
Nonstop1h 56m
$334
Great FallsDenver
GTF - DEN
GTFDEN
Great Falls
dom 8/16
5:09 pm-11:59 pm
1 stop6h 50m
Denver Intl
qua 8/19
7:08 pm-4:38 pm
1 stop21h 30m
$342
Great FallsDenver
GTF - DEN
GTFDEN
Great Falls
seg 6/8
6:25 pm-10:41 pm
1 stop4h 16m
Denver Intl
ter 6/16
3:55 pm-10:40 pm
1 stop6h 45m
$353
Great FallsDenver
GTF - DEN
GTFDEN
Great Falls
qui 7/16
1:17 pm-8:01 pm
1 stop6h 44m
Denver Intl
ter 7/21
3:55 pm-10:37 pm
1 stop6h 42m
$353
Great FallsDenver
GTF - DEN
GTFDEN
Great Falls
sex 8/28
5:18 pm-11:16 pm
1 stop5h 58m
Denver Intl
seg 8/31
8:22 am-4:38 pm
1 stop8h 16m
$368
Showing 1-10 of 20 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 May.
| 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
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 $375). 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 maio 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 maio 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
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Comfort
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Comfort
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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
Black Hawk
Westminster
Lakewood
Broomfield
Centennial
Golden
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Fort Morgan
Glendale
Evergreen
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Other flights to Denver
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Great Falls and Denver flights
Browse other Great Falls and Denver flight options. Last updated on maio 28, 2026.
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Browse through other flights departing from Great Falls. Flights are based on user searches made on Cheapflights and were last updated on maio 28, 2026.
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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 2,558,603 searches. Data last updated maio 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$198 | Average$297 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$218 | Average$258 | FlexibilityNo cancel fee | On-timeN/A |