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

View $126 flight on Wed, Feb 18, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $126 for one-way flights and $223 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Jan 7 - Sun, Jan 11
LAS
Las Vegas
GTF
Great Falls
$223 Roundtrip, found 3 days ago
$223
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Jan 7 from Las Vegas to Great Falls, returning Sun, Jan 11, priced at $223 found 3 days ago
Delta
Wed, Dec 10 - Wed, Dec 17
LAS
Las Vegas
GTF
Great Falls
$243 Roundtrip, found 2 days ago
$243
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Dec 10 from Las Vegas to Great Falls, returning Wed, Dec 17, priced at $243 found 2 days ago
Delta
Thu, Dec 4 - Sun, Dec 7
LAS
Las Vegas
GTF
Great Falls
$253 Roundtrip, found 1 day ago
$253
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Dec 4 from Las Vegas to Great Falls, returning Sun, Dec 7, priced at $253 found 1 day ago
Alaska Airlines
Thu, Dec 11 - Mon, Dec 15
LAS
Las Vegas
GTF
Great Falls
$258 Roundtrip, found 5 days ago
$258
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Thu, Dec 11 from Las Vegas to Great Falls, returning Mon, Dec 15, priced at $258 found 5 days ago
Alaska Airlines
Thu, Dec 11 - Mon, Dec 15
LAS
Las Vegas
GTF
Great Falls
$262 Roundtrip, found 5 days ago
$262
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Thu, Dec 11 from Las Vegas to Great Falls, returning Mon, Dec 15, priced at $262 found 5 days ago
Delta
Wed, Jan 7 - Sun, Jan 11
LAS
Las Vegas
GTF
Great Falls
$268 Roundtrip, found 3 days ago
$268
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Jan 7 from Las Vegas to Great Falls, returning Sun, Jan 11, priced at $268 found 3 days ago
Alaska Airlines
Wed, Dec 10 - Wed, Dec 17
LAS
Las Vegas
GTF
Great Falls
$278 Roundtrip, found 2 days ago
$278
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Dec 10 from Las Vegas to Great Falls, returning Wed, Dec 17, priced at $278 found 2 days ago
Alaska Airlines
Wed, Dec 10 - Wed, Dec 17
LAS
Las Vegas
GTF
Great Falls
$282 Roundtrip, found 2 days ago
$282
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Dec 10 from Las Vegas to Great Falls, returning Wed, Dec 17, priced at $282 found 2 days ago
Delta
Thu, Dec 18 - Fri, Jan 2
LAS
Las Vegas
GTF
Great Falls
$284 Roundtrip, found 4 days ago
$284
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Dec 18 from Las Vegas to Great Falls, returning Fri, Jan 2, priced at $284 found 4 days ago
United
Thu, Dec 18 - Fri, Jan 2
LAS
Las Vegas
GTF
Great Falls
$316 Roundtrip, found 4 days ago
$316
Roundtrip
found 4 days ago
Select United flight, departing Thu, Dec 18 from Las Vegas to Great Falls, returning Fri, Jan 2, priced at $316 found 4 days ago

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

January is typically the cheapest month to fly

From $210 - $686 per traveler.

Frequently asked questions

How much does a flight from Harry Reid Intl. Airport (LAS) to Great Falls Intl. Airport (GTF) cost?
Lock in a cheap one-way flight from $126 or cheap return flight from $223 from Harry Reid Intl. Airport (LAS) to Great Falls Intl. Airport (GTF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Harry Reid Intl. Airport (LAS) to Great Falls Intl. Airport (GTF)?
January is the least expensive month to fly from LAS to GTF. Avoiding peak travel times is often the key to finding better deals on flights.
What is the cheapest airline that flies from Harry Reid Intl. Airport (LAS) to Great Falls Intl. Airport (GTF)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest LAS to GTF flight.
How many flights per day from Harry Reid Intl. Airport (LAS) to Great Falls Intl. Airport (GTF)?
On average, you can pick from 2 direct weekly flights from Harry Reid Intl. Airport (LAS) to Great Falls Intl. Airport (GTF). For more flexibility, consider flights with layovers. Simply enter your details on Expedia and then filter your search to include one or more stops.
What are the most popular departure times for flights from Harry Reid Intl. Airport (LAS) to Great Falls Intl. Airport (GTF)?
The 1 PM departures from LAS to GTF are typically the busiest. Greater demand means you'll likely pay more for these departures. If you're hoping to save money, pick a less crowded time to fly.
What day of the week has the most flights from LAS to GTF?
If you depart on a Monday, you'll get the widest range of choices for flights from Harry Reid Intl. Airport (LAS) to Great Falls Intl. Airport (GTF).
What is the earliest flight from Harry Reid Intl. Airport (LAS) to Great Falls Intl. Airport (GTF)?
The earliest flight departing from Harry Reid Intl. Airport (LAS) is at around 1:46PM UTC-8. Board this flight and you'll land at Great Falls Intl. Airport (GTF) at approximately 5:14PM UTC-7. The overall travel time is 2h 28m.
How long does it take to fly from Harry Reid Intl. Airport (LAS) to Great Falls Intl. Airport (GTF)?
It takes approximately 2 hours and 28 minutes to travel the 810 mi from LAS to GTF.
What is the best time to fly from Harry Reid Intl. Airport (LAS) to Great Falls Intl. Airport (GTF)?
Book a flight from Harry Reid Intl. Airport (LAS) to Great Falls Intl. Airport (GTF) that takes off before 3 PM to reduce the risk of cancellations. Departures after this time are on average 22% more likely to be canceled.**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 Great Falls from Harry Reid Intl. Airport (LAS)?
If you've booked a direct flight from Harry Reid Intl. Airport (LAS) to Great Falls, Great Falls Intl. Airport (GTF) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Harry Reid Intl. Airport (LAS) to Great Falls Intl. Airport (GTF) last-minute?
Booking your ticket from LAS to GTF right before your trip is typically more expensive. However, if there's some wiggle room with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a LAS to GTF flight and hotel package?
You'll typically save money by booking a LAS to GTF flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After selecting your preferred flights and accommodations, consider other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Harry Reid Intl. Airport (LAS) to Great Falls Intl. Airport (GTF)?
You can usually reschedule or cancel your LAS to GTF flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Harry Reid Intl.
Destination airport
Great Falls Intl.
Airlines serving
Alaska Airlines, Delta, United
Roundtrip price
$223
Distance
811 mi
Average flight time
2 hours 18 mins

Book with confidence

Las Vegas to Great Falls Flights

The cheapest times to fly from Las Vegas to Great Falls

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 Las Vegas to Great Falls are during the month of January. You can find some of the cheapest flights from Las Vegas to Great Falls with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Las Vegas to Great Falls: 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 Las Vegas to Great Falls

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 Las Vegas to Great Falls 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 Las Vegas to Great Falls 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 Las Vegas to Great Falls 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.

 

Las Vegas to Great Falls Flights

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*Available to One Key members.