£114 Cheap Flights from Las Vegas (LAS) to Great Falls (GTF)

View £114 flight on Sat, 16 May 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £114 for one-way flights and £380 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, 16 May - Sat, 23 May
LAS
Las Vegas
GTF
Great Falls
£380 Return, found 4 days ago
£380
Return
found 4 days ago
Select Alaska Airlines flight, departing Sat, 16 May from Las Vegas to Great Falls, returning Sat, 23 May, priced at £380 found 4 days ago
Alaska Airlines
Sat, 16 May - Sat, 23 May
LAS
Las Vegas
GTF
Great Falls
£414 Return, found 4 days ago
£414
Return
found 4 days ago
Select Alaska Airlines flight, departing Sat, 16 May from Las Vegas to Great Falls, returning Sat, 23 May, priced at £414 found 4 days ago
Alaska Airlines
Sat, 16 May - Sat, 23 May
LAS
Las Vegas
GTF
Great Falls
£443 Return, found 4 days ago
£443
Return
found 4 days ago
Select Alaska Airlines flight, departing Sat, 16 May from Las Vegas to Great Falls, returning Sat, 23 May, priced at £443 found 4 days ago
Alaska Airlines
Sat, 16 May - Sat, 23 May
LAS
Las Vegas
GTF
Great Falls
£463 Return, found 4 days ago
£463
Return
found 4 days ago
Select Alaska Airlines flight, departing Sat, 16 May from Las Vegas to Great Falls, returning Sat, 23 May, priced at £463 found 4 days ago
Alaska Airlines
Sat, 16 May - Sat, 23 May
LAS
Las Vegas
GTF
Great Falls
£469 Return, found 4 days ago
£469
Return
found 4 days ago
Select Alaska Airlines flight, departing Sat, 16 May from Las Vegas to Great Falls, returning Sat, 23 May, priced at £469 found 4 days ago
Alaska Airlines
Sat, 16 May - Sat, 23 May
LAS
Las Vegas
GTF
Great Falls
£522 Return, found 4 days ago
£522
Return
found 4 days ago
Select Alaska Airlines flight, departing Sat, 16 May from Las Vegas to Great Falls, returning Sat, 23 May, priced at £522 found 4 days ago
Alaska Airlines
Sat, 16 May - Sat, 23 May
LAS
Las Vegas
GTF
Great Falls
£543 Return, found 4 days ago
£543
Return
found 4 days ago
Select Alaska Airlines flight, departing Sat, 16 May from Las Vegas to Great Falls, returning Sat, 23 May, priced at £543 found 4 days ago
Alaska Airlines
Sat, 16 May - Sat, 23 May
LAS
Las Vegas
GTF
Great Falls
£573 Return, found 4 days ago
£573
Return
found 4 days ago
Select Alaska Airlines flight, departing Sat, 16 May from Las Vegas to Great Falls, returning Sat, 23 May, priced at £573 found 4 days ago
Alaska Airlines
Wed, 20 May - Wed, 27 May
LAS
Las Vegas
GTF
Great Falls
£586 Return, found 4 days ago
£586
Return
found 4 days ago
Select Alaska Airlines flight, departing Wed, 20 May from Las Vegas to Great Falls, returning Wed, 27 May, priced at £586 found 4 days ago
Alaska Airlines
Wed, 20 May - Wed, 27 May
LAS
Las Vegas
GTF
Great Falls
£588 Return, found 4 days ago
£588
Return
found 4 days ago
Select Alaska Airlines flight, departing Wed, 20 May from Las Vegas to Great Falls, returning Wed, 27 May, priced at £588 found 4 days ago

Frequently asked questions

What is the cheapest month to fly from Las Vegas, NV (LAS-Harry Reid Intl.) to Great Falls, MT (GTF-Great Falls Intl.)?
June is typically the cheapest month to fly from Las Vegas, NV (LAS-Harry Reid Intl.) to Great Falls, MT (GTF-Great Falls Intl.), with average return fares of approximately £223. This is about 29% lower than the average price throughout the year. June often sees lower prices as it's just before the peak summer travel season, offering a sweet spot for deals. Other cheap months to fly from Las Vegas, NV (LAS-Harry Reid Intl.) to Great Falls, MT (GTF-Great Falls Intl.) include August and October.
How do I find cheap flights from Las Vegas, NV (LAS-Harry Reid Intl.) to Great Falls, MT (GTF-Great Falls Intl.)?
To find a cheap flight from Las Vegas, NV (LAS-Harry Reid Intl.) to Great Falls, MT (GTF-Great Falls Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Las Vegas, NV (LAS-Harry Reid Intl.) to Great Falls, MT (GTF-Great Falls Intl.)?
The best time to fly from Las Vegas, NV (LAS-Harry Reid Intl.) (LAS) to Great Falls, MT (GTF-Great Falls Intl.) (GTF) for the best value is typically June or October. Based on booking data from the past year, you can expect average return flight prices around £223 during these months. While these might not be the absolute busiest travel times, they offer a good balance of affordable fares and reasonable flight availability, allowing you to plan your trip without breaking the bank.
How many flights per day from Las Vegas, NV (LAS-Harry Reid Intl.) to Great Falls, MT (GTF-Great Falls Intl.)?
There are approximately 17 connecting flights per day from Harry Reid International (LAS) to Great Falls International (GTF). Some common connection points include Portland International (PDX), San Francisco International (SFO), and Los Angeles International (LAX).
What is the earliest flight from Las Vegas, NV (LAS-Harry Reid Intl.) to Great Falls, MT (GTF-Great Falls Intl.)?
The earliest flight from Harry Reid International Airport (LAS) to Great Falls International (GTF) typically departs at approximately 12:30 AM local time, operated by United Airlines. This is a seasonal service active in July. An early departure like this can help you maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Las Vegas, NV (LAS-Harry Reid Intl.) to Great Falls, MT (GTF-Great Falls Intl.)?
You'll typically find the most flights from Harry Reid International Airport (LAS) to Great Falls International Airport (GTF) on a Sunday, with around 14 flights available. This gives you a good selection for your travel plans. Major airlines on this route include United Airlines, Delta Air Lines, and Alaska Airlines.
What are the most popular departure times for flights from Las Vegas, NV (LAS-Harry Reid Intl.) to Great Falls, MT (GTF-Great Falls Intl.)?
The most popular departure times for flights from Las Vegas, NV (LAS-Harry Reid Intl.) to Great Falls, MT (GTF-Great Falls Intl.) are in the early morning, from 6am to 9am. About 35% of passengers prefer this time. Many major carriers, including Delta and United Airlines, offer flights during this window. This timing works well because it allows you to get an early start on your travel day and arrive at your destination with plenty of time.
How long does it take to fly from Las Vegas, NV (LAS-Harry Reid Intl.) to Great Falls, MT (GTF-Great Falls Intl.)?
A flight from LAS to GTF with a layover takes around 5 hours 20 minutes, with the route covering approximately 811 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Las Vegas, NV (LAS-Harry Reid Intl.) to Great Falls, MT (GTF-Great Falls Intl.)?
Select the "Business class" and "First class" filters when looking for LAS to GTF flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Las Vegas, NV (LAS-Harry Reid Intl.) to Great Falls, MT (GTF-Great Falls Intl.) flight with Expedia?
It's easy to earn miles on a Las Vegas, NV (LAS-Harry Reid Intl.) to Great Falls, MT (GTF-Great Falls Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Great Falls from McCarran Intl. (LAS)?
If you're planning to travel to Great Falls from Harry Reid International Airport (LAS), you can fly directly into Great Falls Intl. (GTF) Some flights may connect through major hubs like Los Angeles Intl. (LAX), San Francisco Intl. (SFO), Seattle - Tacoma Intl. (SEA) before reaching Great Falls. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Las Vegas, NV (LAS-Harry Reid Intl.) to Great Falls, MT (GTF-Great Falls Intl.) at the last minute?
Typically, booking a last minute flight from Las Vegas, NV (LAS-Harry Reid Intl.) to Great Falls, MT (GTF-Great Falls Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Las Vegas, NV (LAS-Harry Reid Intl.) to Great Falls, MT (GTF-Great Falls Intl.) flight and hotel package?
Securing a Las Vegas, NV (LAS-Harry Reid Intl.) to Great Falls, MT (GTF-Great Falls Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Las Vegas, NV (LAS-Harry Reid Intl.) to Great Falls, MT (GTF-Great Falls Intl.)?
If you booked your Las Vegas, NV (LAS-Harry Reid Intl.) to Great Falls, MT (GTF-Great Falls Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Harry Reid Intl.
Destination airport
Great Falls Intl.
Return price
£380
Distance
1297 km
Average flight time
2 hours 22 mins

Book with confidence

Compare flights from Las Vegas to Great Falls easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Las Vegas to Great Falls. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Great Falls Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Harry Reid Intl. to Great Falls Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Harry Reid Intl. (LAS) to Great Falls Intl. (GTF)

The easiest way to view the best deals on flights from Las Vegas to Great Falls today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Harry Reid Intl. to Great Falls Intl. start at just £380 and range up to £588.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Las Vegas and Great Falls
  • booking your flight during May, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Las Vegas to Great Falls flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Harry Reid Intl. to Great Falls Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Las Vegas to Great Falls easily and book with confidence

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