$49+ Cheap flights from Great Falls to Las Vegas (GTF - LAS)
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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — LAS
Jun 15 — Jun 221
Round-trip
1 adult, Economy
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Find cheap flights from Great Falls to Las Vegas 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 Las Vegas Harry Reid Intl are usually found in August or July, booked 18 days in advance, depart on a Monday or Wednesday and return on a Monday
Cheap flight deals from Great Falls to Las Vegas
Cheapest
Best
Last-minute
One-way
Cheapest flights from Great Falls to Las VegasExplore the most affordable flight options available from Great Falls to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 16, 2026.
Explore the most affordable flight options available from Great Falls to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 16, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 5/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2710:19 am
GTF
- LAS
Nonstop2h 15m
Allegiant Air
Fri 8/76:10 am
LAS
- GTF
Nonstop2h 19m
Allegiant Air
Deal found 5/15![Allegiant Air logo]()
$83
This Cheapflightsfares deal was found by Cheapflights users on 5/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2910:18 am
GTF
- LAS
Nonstop2h 17m
Allegiant Air
Fri 7/246:15 am
LAS
- GTF
Nonstop2h 19m
Allegiant Air
Deal found 5/16![Allegiant Air logo]()
$89
This Cheapflightsfares deal was found by Cheapflights users on 5/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1210:18 am
GTF
- LAS
Nonstop2h 17m
Allegiant Air
Mon 6/156:10 am
LAS
- GTF
Nonstop2h 18m
Allegiant Air
Deal found 5/13![Allegiant Air logo]()
$94
This Cheapflightsfares deal was found by Cheapflights users on 5/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1510:18 am
GTF
- LAS
Nonstop2h 17m
Allegiant Air
Fri 6/196:10 am
LAS
- GTF
Nonstop2h 18m
Allegiant Air
Deal found 5/13![Allegiant Air logo]()
$105
This Cheapflightsfares deal was found by Cheapflights users on 5/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/810:18 am
GTF
- LAS
Nonstop2h 17m
Allegiant Air
Fri 6/196:10 am
LAS
- GTF
Nonstop2h 18m
Allegiant Air
Deal found 5/15![Allegiant Air logo]()
$112
This Super.com deal was found by Cheapflights users on 5/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/810:18 am
GTF
- LAS
Nonstop2h 17m
Allegiant Air
Fri 6/126:10 am
LAS
- GTF
Nonstop2h 18m
Allegiant Air
Deal found 5/13![Allegiant Air logo]()
$118
This Super.com deal was found by Cheapflights users on 5/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/510:18 am
GTF
- LAS
Nonstop2h 17m
Allegiant Air
Mon 6/86:10 am
LAS
- GTF
Nonstop2h 18m
Allegiant Air
Deal found 5/12![Allegiant Air logo]()
$132
This Cheapflightsfares deal was found by Cheapflights users on 5/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/710:19 am
GTF
- LAS
Nonstop2h 15m
Allegiant Air
Mon 8/106:10 am
LAS
- GTF
Nonstop2h 19m
Allegiant Air
Deal found 5/13![Allegiant Air logo]()
$148
Best flights from Great Falls to Las VegasDiscover carefully curated flight deals from Great Falls to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 16, 2026.
Discover carefully curated flight deals from Great Falls to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 16, 2026.
This Trip.com deal was found by Cheapflights users on 5/15. 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.
Mon 5/2510:24 am
GTF
- LAS
Nonstop2h 13m
Multiple Airlines
Wed 5/279:57 am
LAS
- GTF
1 stop7h 15m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$382
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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 5/306:52 pm
GTF
- LAS
1 stop17h 17m
Alaska Airlines
Fri 6/55:48 pm
LAS
- GTF
1 stop23h 24m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 5/12. 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 6/31:07 pm
GTF
- LAS
1 stop3h 53m
Delta
Wed 6/105:00 pm
LAS
- GTF
1 stop4h 40m
Delta
Deal found 5/12![Delta logo]()
$524
This United Airlines deal was found by Cheapflights users on 5/15. 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.
Mon 6/82:37 pm
GTF
- LAS
1 stop6h 31m
United Airlines
Fri 6/125:45 am
LAS
- GTF
1 stop6h 56m
United Airlines
Deal found 5/15![United Airlines logo]()
$555
This Alaska Airlines deal was found by Cheapflights users on 5/13. 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.
Thu 5/286:52 pm
GTF
- LAS
2 stops24h 53m
Alaska Airlines
Wed 6/36:00 am
LAS
- GTF
1 stop11h 12m
Alaska Airlines
Deal found 5/13![Alaska Airlines logo]()
$467
This Delta deal was found by Cheapflights users on 5/13. 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.
Sun 8/25:40 am
GTF
- LAS
1 stop4h 10m
Delta
Sun 8/97:51 pm
LAS
- GTF
1 stop15h 37m
Delta
Deal found 5/13![Delta logo]()
$539
This Travelocity deal was found by Cheapflights users on 5/15. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/315:09 pm
GTF
- LAS
1 stop6h 56m
Alaska Airlines
Mon 8/37:00 am
LAS
- GTF
2 stops8h 29m
Alaska Airlines
Deal found 5/15![Alaska Airlines logo]()
$566
This Alaska Airlines deal was found by Cheapflights users on 5/13. 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 7/275:09 pm
GTF
- LAS
2 stops21h 49m
Alaska Airlines
Fri 8/73:12 pm
LAS
- GTF
1 stop24h 17m
Alaska Airlines
Deal found 5/13![Alaska Airlines logo]()
$568
This Alaska Airlines deal was found by Cheapflights users on 5/12. 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 6/155:09 pm
GTF
- LAS
1 stop6h 41m
Alaska Airlines
Fri 6/197:21 pm
LAS
- GTF
2 stops20h 08m
Alaska Airlines
Deal found 5/12![Alaska Airlines logo]()
$581
This Alaska Airlines deal was found by Cheapflights users on 5/14. 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.
Fri 6/56:52 pm
GTF
- LAS
1 stop25h 05m
Alaska Airlines
Sun 6/76:00 am
LAS
- GTF
1 stop11h 12m
Alaska Airlines
Deal found 5/14![Alaska Airlines logo]()
$608
Last-minute flights from Great Falls to Las VegasDiscover last-minute flight deals from Great Falls to Las Vegas. Data last updated May 16, 2026 and is based on user searches.
Discover last-minute flight deals from Great Falls to Las Vegas. Data last updated May 16, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 5/13. 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.
Mon 5/1811:42 am
GTF
- LAS
Nonstop2h 15m
Allegiant Air
Fri 5/226:15 am
LAS
- GTF
Nonstop2h 19m
Allegiant Air
Deal found 5/13![Allegiant Air logo]()
$161
This Super.com deal was found by Cheapflights users on 5/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/510:18 am
GTF
- LAS
Nonstop2h 17m
Allegiant Air
Mon 6/86:10 am
LAS
- GTF
Nonstop2h 18m
Allegiant Air
Deal found 5/12![Allegiant Air logo]()
$132
This Cheapflightsfares deal was found by Cheapflights users on 5/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/810:18 am
GTF
- LAS
Nonstop2h 17m
Allegiant Air
Fri 6/196:10 am
LAS
- GTF
Nonstop2h 18m
Allegiant Air
Deal found 5/15![Allegiant Air logo]()
$112
This Super.com deal was found by Cheapflights users on 5/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/810:18 am
GTF
- LAS
Nonstop2h 17m
Allegiant Air
Fri 6/126:10 am
LAS
- GTF
Nonstop2h 18m
Allegiant Air
Deal found 5/13![Allegiant Air logo]()
$118
This Cheapflightsfares deal was found by Cheapflights users on 5/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1210:18 am
GTF
- LAS
Nonstop2h 17m
Allegiant Air
Mon 6/156:10 am
LAS
- GTF
Nonstop2h 18m
Allegiant Air
Deal found 5/13![Allegiant Air logo]()
$94
This Cheapflightsfares deal was found by Cheapflights users on 5/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1510:18 am
GTF
- LAS
Nonstop2h 17m
Allegiant Air
Fri 6/196:10 am
LAS
- GTF
Nonstop2h 18m
Allegiant Air
Deal found 5/13![Allegiant Air logo]()
$105
This Cheapflightsfares deal was found by Cheapflights users on 5/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2910:18 am
GTF
- LAS
Nonstop2h 17m
Allegiant Air
Fri 7/246:15 am
LAS
- GTF
Nonstop2h 19m
Allegiant Air
Deal found 5/16![Allegiant Air logo]()
$89
One-way flights from Great Falls to Las VegasSearch for one-way flight options from Great Falls to Las Vegas. Find affordable one-way fares based on user searches. Data last updated May 16, 2026.
Search for one-way flight options from Great Falls to Las Vegas. Find affordable one-way fares based on user searches. Data last updated May 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/13. 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.
Fri 6/1210:18 am
GTF
- LAS
Nonstop2h 17m
Allegiant Air
Deal found 5/13![Allegiant Air logo]()
$49
This Cheapflightsfares deal was found by Cheapflights users on 5/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2710:19 am
GTF
- LAS
Nonstop2h 15m
Allegiant Air
Deal found 5/13![Allegiant Air logo]()
$51
This Kiwi.com deal was found by Cheapflights users on 5/14. 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.
Mon 6/810:18 am
GTF
- LAS
Nonstop2h 17m
Allegiant Air
Deal found 5/14![Allegiant Air logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 5/13. 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.
Fri 5/2910:24 am
GTF
- LAS
Nonstop2h 13m
Allegiant Air
Deal found 5/13![Allegiant Air logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 5/14. 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.
Fri 6/510:18 am
GTF
- LAS
Nonstop2h 17m
Allegiant Air
Deal found 5/14![Allegiant Air logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 5/11. 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.
Fri 5/2210:24 am
GTF
- LAS
Nonstop2h 13m
Allegiant Air
Deal found 5/11![Allegiant Air logo]()
$149
This United Airlines deal was found by Cheapflights users on 5/13. 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 5/292:37 pm
GTF
- LAS
1 stop4h 46m
United Airlines
Deal found 5/13![United Airlines logo]()
$164
Find flight deals from Great Falls to Las Vegas
Discover tips and strategies to find the most affordable flight options for your journey from Great Falls (GTF) to Las Vegas (LAS). 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 May 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $83 (Cheapflightsfares) |
One-way from | $49 (Kiwi.com) |
Popular in | May |
Cheapest in | August |
Average price | $316 |
Good round-trip deal | $101 or less |
Good one-way deal | $75 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Great Falls to Las Vegas 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 May 16, 2026.
Use the filters below to find and compare flights from Great Falls to Las Vegas that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Great FallsLas Vegas
GTF - LAS
GTFLAS
Great Falls
Mon 5/25
10:24 am-11:37 am
Nonstop2h 13m
Las Vegas Harry Reid Intl
Wed 5/27
9:57 am-6:12 pm
1 stop7h 15m
$382
Great FallsLas Vegas
GTF - LAS
GTFLAS
Great Falls
Sat 5/30
6:52 pm-11:09 am
1 stop17h 17m
Las Vegas Harry Reid Intl
Fri 6/5
5:48 pm-6:12 pm
1 stop23h 24m
$408
Great FallsLas Vegas
GTF - LAS
GTFLAS
Great Falls
Thu 5/28
6:52 pm-6:45 pm
2 stops24h 53m
Las Vegas Harry Reid Intl
Wed 6/3
6:00 am-6:12 pm
1 stop11h 12m
$467
Quickest round-trip
Great FallsLas Vegas
GTF - LAS
GTFLAS
Great Falls
Wed 6/3
1:07 pm-4:00 pm
1 stop3h 53m
Las Vegas Harry Reid Intl
Wed 6/10
5:00 pm-10:40 pm
1 stop4h 40m
$524
Great FallsLas Vegas
GTF - LAS
GTFLAS
Great Falls
Sun 8/2
5:40 am-8:50 am
1 stop4h 10m
Las Vegas Harry Reid Intl
Sun 8/9
7:51 pm-12:28 pm
1 stop15h 37m
$539
Great FallsLas Vegas
GTF - LAS
GTFLAS
Great Falls
Mon 6/8
2:37 pm-8:08 pm
1 stop6h 31m
Las Vegas Harry Reid Intl
Fri 6/12
5:45 am-1:41 pm
1 stop6h 56m
$555
Great FallsLas Vegas
GTF - LAS
GTFLAS
Great Falls
Fri 7/31
5:09 pm-11:05 pm
1 stop6h 56m
Las Vegas Harry Reid Intl
Mon 8/3
7:00 am-4:29 pm
2 stops8h 29m
$566
Great FallsLas Vegas
GTF - LAS
GTFLAS
Great Falls
Mon 7/27
5:09 pm-1:58 pm
2 stops21h 49m
Las Vegas Harry Reid Intl
Fri 8/7
3:12 pm-4:29 pm
1 stop24h 17m
$568
Great FallsLas Vegas
GTF - LAS
GTFLAS
Great Falls
Mon 6/15
5:09 pm-10:50 pm
1 stop6h 41m
Las Vegas Harry Reid Intl
Fri 6/19
7:21 pm-4:29 pm
2 stops20h 08m
$581
Great FallsLas Vegas
GTF - LAS
GTFLAS
Great Falls
Fri 6/5
6:52 pm-6:57 pm
1 stop25h 05m
Las Vegas Harry Reid Intl
Sun 6/7
6:00 am-6:12 pm
1 stop11h 12m
$608
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Great Falls to Las Vegas
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 Las Vegas in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| 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-Las Vegas flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Great Falls-Las Vegas flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Great Falls-Las Vegas flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Great Falls-Las Vegas 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-Las Vegas 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 Las Vegas
Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Great Falls with our price prediction graph.
GTF-LAS
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 Las Vegas
How far ahead should I book a flight from Great Falls to Las Vegas?
Booking 16 days in advance of your planned departure date is, on average, the best time to get cheap flights from Great Falls to Las Vegas. 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 Las Vegas?
Currently, August is the cheapest month in which you can book a flight from Great Falls to Las Vegas (average of $120). Flying from Great Falls to Las Vegas in December is currently the most expensive (average of $305). 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 LAS?
Find hourly flight availability from Great Falls to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 16, 2026.
One of the essential ways to save on airfare from Great Falls to Las Vegas is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 60% on airfare.
Reviews of airlines servicing Las Vegas
Get insights into the airlines that provide service to Las Vegas. 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 Las Vegas. Reviews last updated May 16, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andUnited Airlines from Great Falls to Las Vegas to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.8
Food
7.0
Overall
7.9
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Boarding
8.1
Comfort
7.8
Food
7.0
Overall
7.9
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Boarding
8.1
Comfort
7.8
Food
7.0
Overall
7.9
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Boarding
8.1
Comfort
7.8
Food
7.0
Overall
7.9
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Boarding
8.1
Comfort
7.8
Food
7.0
Overall
7.9
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
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Top 4 airlines flying from Great Falls to Las Vegas
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$72 | Average$165 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$120 | Average$342 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$159 | Average$494 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$194 | Average$398 | FlexibilityNo cancel fee | On-time69% |