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Find cheap one-way flights from Las Vegas to Great Falls starting at US$76.

Discover our range of affordable one-way and round-trip flights from Las Vegas to Great Falls and kick-start your next adventure today!

  • One way
  • Round-trip
      • Cheapest nonstop
        LAS13:46
        2h 28m
        Nonstop
        GTF17:14
        Mon, Jan 20|Las Vegas - Great Falls|Allegiant Air
        US$76US$219
        65% OFF
        65% OFF
        US$219US$76

        Choose Allegiant Air flights from Las Vegas to Great Falls.The one-way direct flight with Allegiant Air departs from Harry Reid International Airport on Mon, Jan 20, arriving at Great Falls International Airport.One-way Prices start from US$76 including taxes and charges.

      • LAS18:08
        2h 22m
        Nonstop
        GTF21:30
        Mon, Dec 30|Las Vegas - Great Falls|Allegiant Air
        US$111US$219
        49% OFF
        49% OFF
        US$219US$111

        Choose Allegiant Air flights from Las Vegas to Great Falls.The one-way direct flight with Allegiant Air departs from Harry Reid International Airport on Mon, Dec 30, arriving at Great Falls International Airport.One-way Prices start from US$111 including taxes and charges.

      • LAS18:08
        2h 22m
        Nonstop
        GTF21:30
        Fri, Jan 3|Las Vegas - Great Falls|Allegiant Air
        US$120US$219
        45% OFF
        45% OFF
        US$219US$120

        Choose Allegiant Air flights from Las Vegas to Great Falls.The one-way direct flight with Allegiant Air departs from Harry Reid International Airport on Fri, Jan 3, arriving at Great Falls International Airport.One-way Prices start from US$120 including taxes and charges.

      • LAS18:08
        2h 22m
        Nonstop
        GTF21:30
        Mon, Jan 6|Las Vegas - Great Falls|Allegiant Air
        US$122
        US$122

        Choose Allegiant Air flights from Las Vegas to Great Falls.The one-way direct flight with Allegiant Air departs from Harry Reid International Airport on Mon, Jan 6, arriving at Great Falls International Airport.One-way Prices start from US$122 including taxes and charges.

      • LAS07:50
        6h 29m
        1 stop
        GTF15:19
        Fri, Feb 14|Las Vegas - Great Falls|Alaska Airlines
        US$102
        US$102

        Choose Alaska Airlines flights from Las Vegas to Great Falls.The one-way connecting flight with Alaska Airlines departs from Harry Reid International Airport on Fri, Feb 14, arriving at Great Falls International Airport.One-way Prices start from US$102 including taxes and charges.

      • LAS07:50
        6h 29m
        1 stop
        GTF15:19
        Sat, Feb 15|Las Vegas - Great Falls|Alaska Airlines
        US$102
        US$102

        Choose Alaska Airlines flights from Las Vegas to Great Falls.The one-way connecting flight with Alaska Airlines departs from Harry Reid International Airport on Sat, Feb 15, arriving at Great Falls International Airport.One-way Prices start from US$102 including taxes and charges.

      • LAS09:30
        5h 43m
        1 stop
        GTF16:13
        Sat, Feb 1|Las Vegas - Great Falls|Alaska Airlines
        US$104
        US$104

        Choose Alaska Airlines flights from Las Vegas to Great Falls.The one-way connecting flight with Alaska Airlines departs from Harry Reid International Airport on Sat, Feb 1, arriving at Great Falls International Airport.One-way Prices start from US$104 including taxes and charges.

      • LAS09:30
        5h 43m
        1 stop
        GTF16:13
        Wed, Jan 22|Las Vegas - Great Falls|Alaska Airlines
        US$107
        US$107

        Choose Alaska Airlines flights from Las Vegas to Great Falls.The one-way connecting flight with Alaska Airlines departs from Harry Reid International Airport on Wed, Jan 22, arriving at Great Falls International Airport.One-way Prices start from US$107 including taxes and charges.

      • LAS13:41
        6h 43m
        1 stop
        GTF21:24
        Wed, Dec 25|Las Vegas - Great Falls|United Airlines
        US$151
        US$151

        Choose United Airlines flights from Las Vegas to Great Falls.The one-way connecting flight with United Airlines departs from Harry Reid International Airport on Wed, Dec 25, arriving at Great Falls International Airport.One-way Prices start from US$151 including taxes and charges.

      • LAS07:15
        5h 16m
        1 stop
        GTF13:31
        Wed, Jan 22|Las Vegas - Great Falls|United Airlines
        US$152
        US$152

        Choose United Airlines flights from Las Vegas to Great Falls.The one-way connecting flight with United Airlines departs from Harry Reid International Airport on Wed, Jan 22, arriving at Great Falls International Airport.One-way Prices start from US$152 including taxes and charges.

      • LAS01:00 pm
        3h 5m
        Nonstop
        GTF02:00 pm
        Sun, Dec 29|Las Vegas - Great Falls|Allegiant Air
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to book flights from Las Vegas to Great Falls?

Explore the best time to buy affordable tickets to Great Falls with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Cheapest airlines flights from Las Vegas to Great Falls

We have a range of prices from different airlines providing flights from Las Vegas to Great Falls. Check below for the journey which best suits your travel needs.

Allegiant Air
From US$76
Alaska Airlines
From US$102
Delta Air Lines
From US$136
United Airlines
From US$151
Frontier Airlines
From US$160
Southwest Airlines
From US$218
American Airlines
From US$246

Find more flights and airlines

Find cheap flights from Las Vegas to Great Falls by different airports

Did you know that you can save money and time on an alternative route from Las Vegas to Great Falls? Check out some of the different available routes below.

  • Cheapest
    Allegiant Air
    LAS
    13:46
    2h 28m
    Nonstop
    GTF
    17:14
    Harry Reid International Airport - Great Falls International Airport
    Mon, Jan 20Allegiant Air
    US$76
  • Allegiant Air
    LAS
    13:46
    2h 28m
    Nonstop
    GTF
    17:14
    Harry Reid International Airport - Great Falls International Airport
    Mon, Jan 20Allegiant Air
    US$76
    Find More Flights

Frequently Asked Questions

  • When are flight tickets from Las Vegas (LAS) to Great Falls (GTF) the cheapest?

    Airlines adjust prices for flights from Las Vegas to Great Falls based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Las Vegas (LAS) to Great Falls (GTF) cost?

    According to Trip.com's data, the lowest price is around $364.

  • How long does it take to fly from Las Vegas (LAS) to Great Falls (GTF) and what is the distance?

    It takes around 2 hours 22 minutes to fly from Las Vegas (LAS) to Great Falls (GTF).

  • What is the transportation method from the main airport to downtown in Great Falls?

    • The distance from Great Falls International Airport to downtown is about 5 km. It takes about 20 minutes by taxi.

  • What are the most popular airlines that fly from Las Vegas (LAS) to Great Falls (GTF)?

    Airlines with flights from Las Vegas (LAS) to Great Falls (GTF): Allegiant Air.

How to find a cheap flight from Las Vegas to Great Falls

Understanding the common pitfalls when booking your flight tickets can help you save massively when it comes time to fly. We’ve listed our six essential steps to keep in mind when you’re booking flight tickets to help you find the best price.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Las Vegas to Great Falls Flight Information

Cheapest nonstop flight price$76
Cheapest round-trip ticket price$111
Off-season for travelNovember
Peak season for travelSeptember
Flight distance1,307.55 km
Average flight time2 hours 22 minutes
Popular airlineDelta Air Lines

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