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Cheap flights from Great Falls to Las Vegas from C$ 126

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/7. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — LAS
4 May — 11 May1
1 adult

Cheap 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 29 April 2025.

Round-trip from

C$ 126

Popular in

December

Cheapest in

August

Average price

C$ 362

Good round-trip deal

C$ 227 or less
Allegiant Air
  • Allegiant Air
  • 28/7-8/8
  • Nonstop
  • 4h 34m total
  • Great Falls to Las Vegas
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Highest demand for flights based on searches. 5% potential increase in price (C$ 23 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 13 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Great Falls to Las Vegas Harry Reid Intl.
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Find flight deals from Great Falls to Las Vegas

Cheapest flights from Great Falls to Las Vegas
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 29 April 2025.

Mon 28/710:14 a.m.GTF - LAS
Nonstop2h 15mAllegiant Air
Fri 8/86:05 a.m.LAS - GTF
Nonstop2h 19mAllegiant Air
Deal found 27/4C$ 126
Thu 5/62:26 p.m.GTF - LAS
1 stop7h 21mUnited Airlines
Tue 10/66:00 a.m.LAS - GTF
1 stop6h 27mUnited Airlines
Deal found 28/4C$ 352
Mon 2/65:45 a.m.GTF - LAS
2 stops8h 19mDelta
Fri 6/66:10 a.m.LAS - GTF
2 stops10h 26mDelta
Deal found 28/4C$ 461
Tue 12/84:55 p.m.GTF - LAS
1 stop5h 31mAlaska Airlines
Wed 20/87:04 p.m.LAS - GTF
1 stop19h 45mAlaska Airlines
Deal found 28/4C$ 531
Fri 31/104:00 p.m.GTF - LAS
1 stop7h 20mHawaiian Airlines
Sun 2/117:50 a.m.LAS - GTF
1 stop6h 30mHawaiian Airlines
Deal found 28/4C$ 639

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 629,999 searches. Data last updated 29 April 2025.
Use the filters below to find and compare flights from Great Falls to Las Vegas that are best for you.

Fly from

Great Falls

Fly to

Las Vegas

Route

Depart

Return

Price

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Mon 28/7

10:14 a.m.-11:29 a.m.

Nonstop2h 15m

Las Vegas Harry Reid Intl

Fri 8/8

6:05 a.m.-9:24 a.m.

Nonstop2h 19m

C$ 126

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Thu 5/6

2:26 p.m.-8:47 p.m.

1 stop7h 21m

Las Vegas Harry Reid Intl

Tue 10/6

6:00 a.m.-1:27 p.m.

1 stop6h 27m

C$ 352

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Mon 2/6

5:45 a.m.-1:04 p.m.

2 stops8h 19m

Las Vegas Harry Reid Intl

Fri 6/6

6:10 a.m.-5:36 p.m.

2 stops10h 26m

C$ 461

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Tue 12/8

4:55 p.m.-9:26 p.m.

1 stop5h 31m

Las Vegas Harry Reid Intl

Wed 20/8

7:04 p.m.-3:49 p.m.

1 stop19h 45m

C$ 531

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Thu 16/10

4:00 p.m.-10:20 p.m.

1 stop7h 20m

Las Vegas Harry Reid Intl

Sun 19/10

7:50 a.m.-3:20 p.m.

1 stop6h 30m

C$ 777

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/4

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.
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?

Use this chart to determine the optimal time to book a round-trip flight from Great Falls to Las Vegas. Price data was last updated on 25 April 2025.

The price you pay for your flight from Great Falls to Las Vegas may vary depending on when you book. For the best chance of a lower fare, look to book 68 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Great Falls to Las Vegas?

Currently, January is the cheapest month in which you can book a flight from Great Falls to Las Vegas (average of C$ 212). Flying from Great Falls to Las Vegas in August is currently the most expensive (average of C$ 311). 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 29 April 2025.

It’s typically best to fly out from Great Falls to Las Vegas in the morning. Doing so could potentially save you 19% on the flight price compared to flying at noon, which is usually more expensive.

Rainfall in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Las Vegas ranges from 3.0 - 20.0 mm per month. February is typically the wettest month, when rainfall can reach 20.0 mm. May is typically the driest time to visit Las Vegas when rainfall is around 3.0 mm.

Temperature in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Las Vegas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 34.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

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 29 April 2025.
Read through reviews of airlines operating flights from Great Falls to Las Vegas, such as Alaska Airlines, Delta and Hawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,402 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Allegiant Air
7.3
Good
734 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Great Falls to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Great Falls to Las Vegas flight route?

    The Great Falls to Las Vegas Harry Reid Intl flight path was viewed by 58 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Great Falls to Las Vegas round-trip?

    Flying on Allegiant Air is currently your cheapest option to Las Vegas, with prices starting at C$ 126. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at C$ 352 and C$ 461, respectively. These flights start at 60% lower than the current average price 3 months from now.

  • What are the cheapest flights from Great Falls to Las Vegas?

    Looking for the cheapest flight from Great Falls to Las Vegas? While on average our users pay C$ 312, our data indicates the cheapest price to be C$ 114. The most popular route (Great Falls - Las Vegas Harry Reid Intl), is priced around C$ 624.

  • Can I find deals for flights from Great Falls to Las Vegas that include hotel bookings?

    Yes. In addition to deals on Great Falls to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Great Falls to Las Vegas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Great Falls to Las Vegas.

  • Can I find deals for business class flights from Great Falls to Las Vegas?

    Yes. Cheapflights offers flight deals from Great Falls to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Great Falls to Las Vegas?

    Currently, January is the cheapest month in which you can book a flight from Great Falls to Las Vegas (average of C$ 212). Flying from Great Falls to Las Vegas in August is currently the most expensive (average of C$ 311). 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.

See more FAQs

Travelling to a place near Great Falls?

Book flights to Great Falls if you plan to visit one of these locations
Henderson
Boulder City
North Las Vegas
Paradise

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Great Falls to Las Vegas

Discover the top 2 airlines that operate flights from Great Falls to Las Vegas. 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 629,999 searches. Data last updated 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapestC$ 139AverageC$ 266FlexibilityNo cancel feeOn-time88%
Search Allegiant Air flights
Alaska AirlinesCheapestC$ 337AverageC$ 842FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

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