Cheap Flights from Kalispell to Harry Reid International from $143

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Flight deals from Kalispell to Harry Reid International

Looking for a cheap last-minute deal or the best return flight from Kalispell Airport to Harry Reid International Airport? If you want to travel next month, return fares start from $172. Find the lowest prices on one-way and return tickets right here.

Las Vegas.$143 per passenger.Departing Mon, 16 Nov, returning Thu, 3 Dec.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Kalispell on Mon, 16 Nov, arriving in Harry Reid International.Inbound direct flight with Allegiant Air departs from Harry Reid International on Thu, 3 Dec, arriving in Kalispell.Price includes taxes and charges.From $143, select.

Las Vegas.$152 per passenger.Departing Mon, 5 Oct, returning Fri, 30 Oct.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Kalispell on Mon, 5 Oct, arriving in Harry Reid International.Inbound direct flight with Allegiant Air departs from Harry Reid International on Fri, 30 Oct, arriving in Kalispell.Price includes taxes and charges.From $152, select.

Las Vegas.$161 per passenger.Departing Mon, 21 Sep, returning Fri, 2 Oct.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Kalispell on Mon, 21 Sep, arriving in Harry Reid International.Inbound direct flight with Allegiant Air departs from Harry Reid International on Fri, 2 Oct, arriving in Kalispell.Price includes taxes and charges.From $161, select.

Las Vegas.$172 per passenger.Departing Fri, 21 Aug, returning Fri, 28 Aug.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Kalispell on Fri, 21 Aug, arriving in Harry Reid International.Inbound direct flight with Allegiant Air departs from Harry Reid International on Fri, 28 Aug, arriving in Kalispell.Price includes taxes and charges.From $172, select.

Las Vegas.$178 per passenger.Departing Mon, 16 Nov, returning Tue, 24 Nov.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Kalispell on Mon, 16 Nov, arriving in Harry Reid International.Inbound direct flight with Allegiant Air departs from Harry Reid International on Tue, 24 Nov, arriving in Kalispell.Price includes taxes and charges.From $178, select.

Las Vegas.$186 per passenger.Departing Mon, 21 Sep, returning Fri, 25 Sep.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Kalispell on Mon, 21 Sep, arriving in Harry Reid International.Inbound direct flight with Allegiant Air departs from Harry Reid International on Fri, 25 Sep, arriving in Kalispell.Price includes taxes and charges.From $186, select.

Las Vegas.$186 per passenger.Departing Fri, 28 Aug, returning Fri, 11 Sep.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Kalispell on Fri, 28 Aug, arriving in Harry Reid International.Inbound direct flight with Allegiant Air departs from Harry Reid International on Fri, 11 Sep, arriving in Kalispell.Price includes taxes and charges.From $186, select.

Las Vegas.$209 per passenger.Departing Sun, 13 Dec, returning Sun, 3 Jan.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Kalispell on Sun, 13 Dec, arriving in Harry Reid International.Inbound direct flight with Allegiant Air departs from Harry Reid International on Sun, 3 Jan, arriving in Kalispell.Price includes taxes and charges.From $209, select.

Las Vegas.$209 per passenger.Departing Mon, 26 Oct, returning Mon, 2 Nov.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Kalispell on Mon, 26 Oct, arriving in Harry Reid International.Inbound direct flight with Allegiant Air departs from Harry Reid International on Mon, 2 Nov, arriving in Kalispell.Price includes taxes and charges.From $209, select.

Las Vegas.$232 per passenger.Departing Sun, 13 Dec, returning Thu, 31 Dec.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Kalispell on Sun, 13 Dec, arriving in Harry Reid International.Inbound direct flight with Allegiant Air departs from Harry Reid International on Thu, 31 Dec, arriving in Kalispell.Price includes taxes and charges.From $232, select.

Las Vegas.$529 per passenger.Departing Mon, 27 Jul, returning Mon, 10 Aug.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Kalispell on Mon, 27 Jul, arriving in Harry Reid International.Inbound direct flight with Allegiant Air departs from Harry Reid International on Mon, 10 Aug, arriving in Kalispell.Price includes taxes and charges.From $529, select.

Las Vegas.$622 per passenger.Departing Fri, 9 Apr, returning Fri, 16 Apr.Return flight with Delta.Outbound indirect flight with Delta, departs from Kalispell on Fri, 9 Apr, arriving in Harry Reid International.Inbound indirect flight with Delta, departs from Harry Reid International on Fri, 16 Apr, arriving in Kalispell.Price includes taxes and charges.From $622, select.

Las Vegas.$833 per passenger.Departing Fri, 24 Jul, returning Mon, 27 Jul.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Kalispell on Fri, 24 Jul, arriving in Harry Reid International.Inbound direct flight with Allegiant Air departs from Harry Reid International on Mon, 27 Jul, arriving in Kalispell.Price includes taxes and charges.From $833, select.

Las Vegas.$857 per passenger.Departing Sat, 13 Feb, returning Tue, 16 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Kalispell on Sat, 13 Feb, arriving in Harry Reid International.Inbound indirect flight with Delta, departs from Harry Reid International on Tue, 16 Feb, arriving in Kalispell.Price includes taxes and charges.From $857, select.

Find the cheapest month to fly from Kalispell to Harry Reid International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Kalispell to Harry Reid International flights are currently cheapest in October.

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Direct flights from Kalispell to Harry Reid International

Kalispell to Harry Reid International: Alternative routes

Compare routes from Kalispell to Las Vegas below. You may find an airport to fly into that's cheaper, faster, or easier than Harry Reid International.

Kalispell to Las Vegas: Flight information

The things to know before you go.

Cheapest flight found	$143
Cheapest month to fly	November
Average flight time	2 hrs, 30 mins
Most popular airline	Allegiant Air
Average flights per week	3

Finding cheap flights from Kalispell to Harry Reid International: Frequently asked questions

How much are return flights from Kalispell to Harry Reid International?

The best price we found for a return flight from Kalispell to Harry Reid International is $143. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Kalispell to Harry Reid International?

2 hours and 30 minutes is the average flight time from Kalispell to Harry Reid International.

Which airlines fly direct from Kalispell to Harry Reid International?

Allegiant Air flies direct from Kalispell to Harry Reid International.

How many flights are there a week from Kalispell to Harry Reid International?

As of July 2026, there are 3 flights per week flying from Kalispell to Harry Reid International.

When is the cheapest time to fly from Kalispell to Harry Reid International?

The cheapest month to fly from Kalispell to Harry Reid International is usually November.

Which upcoming date is cheapest to fly from Kalispell Airport to Harry Reid International Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kalispell Airport to Harry Reid International Airport on Monday, 16 November 2026.

Can I get a direct flight from Kalispell Airport to Harry Reid International Airport?

Yes – the average flight time is 2 hours and 30 minutes.

How can I find the best flight deal to Harry Reid International?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Harry Reid International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Las Vegas?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Las Vegas is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Kalispell Airport to Harry Reid International with?

Currently, Allegiant Air offers the cheapest flight tickets to Harry Reid International.

Travelling from Kalispell Airport (FCA) to Harry Reid International Airport (LAS): what you need to know

Take a direct flight from Kalispell Airport to Harry Reid International Airport and you'll be in the air for an average of 2 hours 30 minutes.
Las Vegas is one hour behind Kalispell and follows the UTC-8 timezone.
To ensure you get on your FCA to LAS flight, allow plenty of time to check in and find your gate. Turning up two hours before international departures and an hour before domestic flights is the general travel rule.
Flying during a peak month like August? Public holidays and other popular periods can lead to longer lines at security. Play it safe and arrive up to four hours ahead of an international flight and two hours before domestic departures.
Jetting into Las Vegas (and then discovering more of the United States!) is a breeze with Allegiant Air. This popular carrier offers direct flights from Kalispell Airport to Harry Reid International Airport.
The majority of passengers choose to travel with Allegiant Air on this route.
With 71.43% of its services arriving as planned, Allegiant Air is the most punctual carrier operating FCA to LAS flights.
If you'd like to explore another city along the way, simply deselect 'Direct flights only' when searching for your ticket from Kalispell Airport to Harry Reid International Airport. Here are the top stopovers between FCA and LAS:
- Los Angeles International Airport
- San Francisco International Airport
- Salt Lake City Airport

How to find the cheapest flights from Kalispell Airport (FCA) to Harry Reid International Airport (LAS)

$72 is the best price for a one-way Kalispell Airport to Harry Reid International Airport flight. A return flight starts from $143. These prices may change depending on availability.
It's often best to book in advance if you want to get cheap tickets from FCA to LAS. That's because airlines adjust prices based on demand, which tends to increase closer to departure.
The cheapest month for flights from Kalispell Airport to Harry Reid International Airport is May. Use the 'Whole month' tool to see the lowest prices if you have a flexible travel schedule.
Snapping up cheap flights from FCA to LAS is a piece of cake with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you as soon as there's a better deal.
Tailor your flights with filters. Choose your ideal arrival and departure times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best' flights from Kalispell Airport to Harry Reid International Airport.

Handy information about Kalispell Airport (FCA)

You'll find FCA at 4170 Highway 2 East.
Kalispell Airport has a strong on-time record, reducing the likelihood of delays. Departures from FCA touch down on schedule 83% of the time.
Central Kalispell to Kalispell Airport is approximately 11 kilometres. Depending on traffic, it'll take you about 15 minutes to get there if you're driving, catching a taxi or ride-sharing.
Planning to take public transport? You can expect a journey time of around 30 minutes.
Have an early flight from Kalispell Airport to Harry Reid International Airport? Avoid the stress of rushing to the airport (and catch some extra z's) by picking one of these hotels near FCA:

Arriving at Harry Reid International Airport (LAS)

The last thing you want is a lengthy journey to your hotel if you're landing late on a Kalispell Airport to Harry Reid International Airport flight. Stay at one of these accommodation options near LAS instead:
Pick up a Harry Reid International Airport rental car and explore Las Vegas and beyond with your own wheels. Dollar, Thrifty and Alamo are top outlets you can book with here.
Reserving your vehicle from Harry Reid International Airport around one week in advance boosts your odds of scoring a great price.

Getting from Harry Reid International Airport (LAS) to central Las Vegas

You'll find LAS at 5757 Wayne Newton Boulevard.
Harry Reid International Airport to the centre of Las Vegas has a drive time of about 10 minutes. It's approximately 8 kilometres away.
Travelling to the centre by public transport takes roughly 25 minutes.

When to fly to Harry Reid International Airport (LAS)

The quietest month for a flight from Kalispell Airport to Harry Reid International Airport is March, while April is the busiest. Pick the best time to visit Las Vegas based on whether you prefer a more relaxed vibe or a faster pace.
Book your flight from Kalispell Airport to Harry Reid International Airport for July if you want to explore Las Vegas during its warmest month. You can expect temperatures of between 23ºC and 43ºC.
Look for cheap tickets from FCA to LAS in January if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between 0ºC and 16ºC on average.

Explore more of the United States

Las Vegas has plenty going for it, but there are so many other corners of the United States you should also see. About 370 kilometres south-west of Las Vegas, a visit to Los Angeles will keep you on the move. Check out popular attractions like Hollywood Sign, Universal Studios Hollywood and Hollywood Bowl.
Around 418 kilometres south-east of Las Vegas, Phoenix is another essential stop in the United States. Get a taste of what this destination has to offer at Camelback Mountain, Yayoi Kusama Fireflies Infinity Mirror Room and Heard Museum.