Your next trip, last seen at €46
Lowest observedAllegiant Air · Non-stop · One wayWhen to fly
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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
Short answer
We have seen Allegiant Air fares from Las Vegas to Great Falls, non-stop. The average across the fares we caught is €276. December 2026 is the cheapest month in our observations, at €53. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.
Short answer
We have seen Allegiant Air fares from Las Vegas to Great Falls, non-stop. The average across the fares we caught is €276. December 2026 is the cheapest month in our observations, at €53. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.
About this route
Explore the fares we observed from Las Vegas to Great Falls. Prices move often, so pick your dates to see the latest options.
- Route distance
- 1,299 km
- Reported fastest flight
- 2h 17m
- Airlines seen
- Allegiant Air, Air Canada, Alaska Airlines, Breeze Airways, Delta Air Lines, Frontier Airlines +3 more
Route-level information; individual journeys vary.
Published schedules report non-stop service with Allegiant Air. Check current timetables.
A clearer picture of your fare
Frequently asked
When is the cheapest month to fly from Las Vegas to Great Falls?
In our observations December 2026 is the cheapest month so far, at €53.
Are there direct flights from Las Vegas to Great Falls?
Yes. We have seen non-stop flights on this route, flown by Allegiant Air.
Which airlines fly from Las Vegas to Great Falls?
These are the carriers we have seen on the route: Allegiant Air, Air Canada, Alaska Airlines, Breeze Airways, Delta Air Lines, Frontier Airlines +3 more.
How long does the flight from Las Vegas to Great Falls take?
The average journey time across the 92 fares we observed is 9h 32m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Las Vegas to Great Falls fares were non-stop?
3 of the 92 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide
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Recently observed fares. Prices may change.
Last checked: 11 Oct 2026