$126 Cheap Flights from Great Falls (GTF) to Las Vegas (LAS)

View $126 flight on Tue, Feb 17, 2026Opens in a new window

Popular airlines from Great Falls, MT (GTF-Great Falls Intl.) to Harry Reid Intl. Airport (LAS)

Cheap Flights from Great Falls to Las Vegas (GTF-LAS)

Prices were available within the past 7 days and start at $126 for one-way flights and $212 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Sat, Jan 31 - Tue, Feb 3
GTF
Great Falls
LAS
Las Vegas
$212 Roundtrip, found 1 day ago
$212
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Sat, Jan 31 from Great Falls to Las Vegas, returning Tue, Feb 3, priced at $212 found 1 day ago
Delta
Wed, Jan 28 - Tue, Feb 3
GTF
Great Falls
LAS
Las Vegas
$213 Roundtrip, found 1 day ago
$213
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Jan 28 from Great Falls to Las Vegas, returning Tue, Feb 3, priced at $213 found 1 day ago
Hawaiian Airlines
Tue, Jan 27 - Sat, Jan 31
GTF
Great Falls
LAS
Las Vegas
$222 Roundtrip, found 1 day ago
$222
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Tue, Jan 27 from Great Falls to Las Vegas, returning Sat, Jan 31, priced at $222 found 1 day ago
Delta
Wed, Jan 28 - Thu, Feb 5
GTF
Great Falls
LAS
Las Vegas
$223 Roundtrip, found 1 day ago
$223
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Jan 28 from Great Falls to Las Vegas, returning Thu, Feb 5, priced at $223 found 1 day ago
Delta
Sat, Dec 6 - Wed, Dec 10
GTF
Great Falls
LAS
Las Vegas
$233 Roundtrip, found 3 hours ago
$233
Roundtrip
found 3 hours ago
Select Delta flight, departing Sat, Dec 6 from Great Falls to Las Vegas, returning Wed, Dec 10, priced at $233 found 3 hours ago
Hawaiian Airlines
Wed, Jan 28 - Fri, Jan 30
GTF
Great Falls
LAS
Las Vegas
$242 Roundtrip, found 1 day ago
$242
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Wed, Jan 28 from Great Falls to Las Vegas, returning Fri, Jan 30, priced at $242 found 1 day ago
Delta
Wed, Dec 3 - Thu, Dec 11
GTF
Great Falls
LAS
Las Vegas
$243 Roundtrip, found 2 days ago
$243
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Dec 3 from Great Falls to Las Vegas, returning Thu, Dec 11, priced at $243 found 2 days ago
Hawaiian Airlines
Wed, Jan 28 - Sat, Jan 31
GTF
Great Falls
LAS
Las Vegas
$252 Roundtrip, found 1 day ago
$252
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Wed, Jan 28 from Great Falls to Las Vegas, returning Sat, Jan 31, priced at $252 found 1 day ago
Alaska Airlines
Sat, Feb 21 - Tue, Feb 24
GTF
Great Falls
LAS
Las Vegas
$255 Roundtrip, found 4 days ago
$255
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Feb 21 from Great Falls to Las Vegas, returning Tue, Feb 24, priced at $255 found 4 days ago
United
Sat, Feb 21 - Tue, Feb 24
GTF
Great Falls
LAS
Las Vegas
$257 Roundtrip, found 4 days ago
$257
Roundtrip
found 4 days ago
Select United flight, departing Sat, Feb 21 from Great Falls to Las Vegas, returning Tue, Feb 24, priced at $257 found 4 days ago

Find the cheapest month to fly from Great Falls (GTF) to Las Vegas (LAS)

January is typically the cheapest month to fly

From $209 - $563 per traveler.

Alternative airports near Las Vegas

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to McCarran Intl. LAS. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $532
LAS
McCarran Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $532

Frequently asked questions

How much does a flight from Great Falls Intl. Airport (GTF) to Harry Reid Intl. Airport (LAS) cost?
Secure a cheap one-way flight from $126 or cheap return flight from $212 from Great Falls Intl. Airport (GTF) to Harry Reid Intl. Airport (LAS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Great Falls Intl. Airport (GTF) to Harry Reid Intl. Airport (LAS)?
The cheapest month to fly from GTF to LAS is January, when demand is low. Off-peak months are often when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Great Falls Intl. Airport (GTF) to Harry Reid Intl. Airport (LAS)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from GTF to LAS. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Great Falls Intl. Airport (GTF) to Harry Reid Intl. Airport (LAS)?
On average, you can take your pick of 2 nonstop flights taking off from Great Falls Intl. Airport (GTF) to Harry Reid Intl. Airport (LAS) weekly. If you don't see one that works for your schedule, consider catching a flight that includes a layover. Customize your search results on Expedia to include one or two stops and select the best alternative.
What are the most popular departure times for flights from Great Falls Intl. Airport (GTF) to Harry Reid Intl. Airport (LAS)?
The 6 PM departures from GTF to LAS are the top choice for many travelers. These flights can come with a higher price due to their popularity. If you're looking to save, book during off-peak hours.
What day of the week has the most flights from GTF to LAS?
Friday has the most flights from Great Falls Intl. Airport (GTF) to Harry Reid Intl. Airport (LAS). Consider jetting off on this day and you'll have a greater chance of finding a departure that fits your plans.
What is the earliest flight from Great Falls Intl. Airport (GTF) to Harry Reid Intl. Airport (LAS)?
The earliest flight departing from Great Falls Intl. Airport (GTF) is at around 6:04PM UTC-7. Catch this flight and you'll land at Harry Reid Intl. Airport (LAS) at approximately 7:29PM UTC-8. The total travel time is 2h 25m.
How long does it take to fly from Great Falls Intl. Airport (GTF) to Harry Reid Intl. Airport (LAS)?
Typically, it takes 2 hours and 25 minutes to travel the 810 mi from GTF to LAS.
What is the best time to fly from Great Falls Intl. Airport (GTF) to Harry Reid Intl. Airport (LAS)?
To reach Harry Reid Intl. Airport (LAS) without delays, book a flight that leaves from Great Falls Intl. Airport (GTF) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Las Vegas from Great Falls Intl. Airport (GTF)?
Browse your flight options from Great Falls Intl. Airport (GTF) to Harry Reid Intl. Airport (LAS). This is the only Las Vegas airport you can land at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Great Falls Intl. Airport (GTF) to Harry Reid Intl. Airport (LAS) last-minute?
Waiting until just before your trip to book a flight from GTF to LAS often results in higher prices. While you may find some last-minute offers, there's no guarantee. Keep your travel schedule open to maximize your chances of snagging a bargain.
Is it cheaper to book a GTF to LAS flight and hotel package?
Compared with arranging flights and hotels separately, booking a GTF to LAS flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one place will take the stress out of travel planning. Just pick your flights and select from our extensive range of stays, then customize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Great Falls Intl. Airport (GTF) to Harry Reid Intl. Airport (LAS)?
In most instances, you're able to reschedule or cancel your GTF to LAS flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you need more information, visit our Customer Service portal.

Travel information

Origin airport
Great Falls Intl.
Destination airport
Harry Reid Intl.
Airlines serving
Alaska Airlines, Delta, United
Roundtrip price
$212
Distance
811 mi
Average flight time
1 hour 13 mins

Book with confidence

Great Falls to Las Vegas Flights

The cheapest times to fly from Great Falls to Las Vegas

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Great Falls to Las Vegas are during the month of January. You can find some of the cheapest flights from Great Falls to Las Vegas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Great Falls to Las Vegas

Sunday is one of the best days to book for cheap flights from Great Falls to Las Vegas: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Great Falls to Las Vegas

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Great Falls to Las Vegas in 2025. You can also book with separate airlines for your outbound and return journeys, from $126 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Great Falls to Las Vegas flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Great Falls to Las Vegas airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Great Falls to Las Vegas Flights

Explore a world of travel with Expedia

*Available to One Key members.