Cheap flights from Kalispell to Las Vegas from $52

The month of December is, on average, the cheapest month to fly to Las Vegas from Kalispell, with most prices found around $161. The month of August is another great option to travel to Las Vegas, with average flight prices from Kalispell averaging around $193.

Our data shows that Sunday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $142. Flights from Kalispell to Las Vegas on a Monday will generally be more expensive and average around $262. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

The cheapest time of day to fly to Las Vegas is in the evening when flights can be purchased for as low as $121. Flights to Las Vegas are more costly in the afternoon, with an average ticket price of $256. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Kalispell Glacier Park to Las Vegas Harry Reid Intl for the best Kalispell Glacier Park - Las Vegas Harry Reid Intl flight prices

You are more likely to see cheaper flights to Las Vegas from Kalispell when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $290 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Kalispell for as low as $169 on momondo.

There is only 1 cabin class available to choose from on Kalispell to Las Vegas flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Kalispell to Las Vegas.

As of September 2026, prices for Kalispell to Las Vegas flights are approximately 105% more expensive when compared to flights at the same time last year.

Allegiant Air, United Airlines, and Alaska Airlines are the most popular carriers operating from Kalispell Glacier Park to Las Vegas Harry Reid Intl

Allegiant Air, Delta and United Airlines are the top three most popular airlines that fly to Las Vegas from Kalispell according to our data. Allegiant Air is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Las Vegas. Keep in mind that there are 4 different airlines that fly to Las Vegas on a routine basis, so you have a few additional options to choose from.

Seattle (SEA) was the most common stop: 83% of momondo users choosing 1-stop flights on this route connected there.

Flights via Seattle (SEA) offer the lowest average round-trip price of $305.

Flights connecting via Salt Lake City (SLC) have the shortest average one-way travel time: 4h 39m.

Seattle (SEA) has the shortest average layover time for this route: 1h 29m.