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Cheap Flights from Missoula (MSO) to Las Vegas (LASA)

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      Travellers and cabin class, 1 Adult, Economy
      Allegiant Air

      Compare Missoula to Las Vegas flight deals

      Find the cheapest month or even day of the year to fly to Las Vegas

      Book the best Las Vegas fare with no extra fees

      Flight deals from Missoula to Las Vegas

      Looking for a cheap last-minute deal or the best return flight from Missoula Airport to Las Vegas? If you want to travel next month, return fares start from $133. Find the lowest prices on one-way and return tickets right here.
      Las Vegas.$119 per passenger.Departing Sun, 1 Nov, returning Thu, 19 Nov.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Missoula on Sun, 1 Nov, arriving in Harry Reid International.Inbound direct flight with Allegiant Air departs from Harry Reid International on Thu, 19 Nov, arriving in Missoula.Price includes taxes and charges.From $119, select.
      Las Vegas.$133 per passenger.Departing Sun, 25 Oct, returning Thu, 12 Nov.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Missoula on Sun, 25 Oct, arriving in Harry Reid International.Inbound direct flight with Allegiant Air departs from Harry Reid International on Thu, 12 Nov, arriving in Missoula.Price includes taxes and charges.From $133, select.
      Las Vegas.$133 per passenger.Departing Sun, 25 Oct, returning Thu, 29 Oct.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Missoula on Sun, 25 Oct, arriving in Harry Reid International.Inbound direct flight with Allegiant Air departs from Harry Reid International on Thu, 29 Oct, arriving in Missoula.Price includes taxes and charges.From $133, select.
      Las Vegas.$133 per passenger.Departing Sun, 13 Sep, returning Thu, 17 Sep.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Missoula on Sun, 13 Sep, arriving in Harry Reid International.Inbound direct flight with Allegiant Air departs from Harry Reid International on Thu, 17 Sep, arriving in Missoula.Price includes taxes and charges.From $133, select.
      Las Vegas.$143 per passenger.Departing Sun, 20 Sep, returning Thu, 8 Oct.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Missoula on Sun, 20 Sep, arriving in Harry Reid International.Inbound direct flight with Allegiant Air departs from Harry Reid International on Thu, 8 Oct, arriving in Missoula.Price includes taxes and charges.From $143, select.
      Las Vegas.$168 per passenger.Departing Thu, 27 Aug, returning Thu, 10 Sep.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Missoula on Thu, 27 Aug, arriving in Harry Reid International.Inbound direct flight with Allegiant Air departs from Harry Reid International on Thu, 10 Sep, arriving in Missoula.Price includes taxes and charges.From $168, select.
      Las Vegas.$231 per passenger.Departing Thu, 27 Aug, returning Sun, 30 Aug.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Missoula on Thu, 27 Aug, arriving in Harry Reid International.Inbound direct flight with Allegiant Air departs from Harry Reid International on Sun, 30 Aug, arriving in Missoula.Price includes taxes and charges.From $231, select.
      Las Vegas.$259 per passenger.Departing Wed, 9 Dec, returning Mon, 21 Dec.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Missoula on Wed, 9 Dec, arriving in Harry Reid International.Inbound direct flight with Allegiant Air departs from Harry Reid International on Mon, 21 Dec, arriving in Missoula.Price includes taxes and charges.From $259, select.
      Las Vegas.$447 per passenger.Departing Thu, 19 Nov, returning Mon, 7 Dec.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Missoula on Thu, 19 Nov, arriving in Harry Reid International.Inbound direct flight with Allegiant Air departs from Harry Reid International on Mon, 7 Dec, arriving in Missoula.Price includes taxes and charges.From $447, select.
      Las Vegas.$686 per passenger.Departing Tue, 12 Jan, returning Thu, 21 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Missoula on Tue, 12 Jan, arriving in Harry Reid International.Inbound indirect flight with Delta, departs from Harry Reid International on Thu, 21 Jan, arriving in Missoula.Price includes taxes and charges.From $686, select.
      Las Vegas.$822 per passenger.Departing Fri, 14 May, returning Mon, 17 May.Return flight with Delta.Outbound indirect flight with Delta, departs from Missoula on Fri, 14 May, arriving in Harry Reid International.Inbound indirect flight with Delta, departs from Harry Reid International on Mon, 17 May, arriving in Missoula.Price includes taxes and charges.From $822, select.
      Las Vegas.$865 per passenger.Departing Thu, 31 Dec, returning Sat, 2 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Missoula on Thu, 31 Dec, arriving in Harry Reid International.Inbound indirect flight with Delta, departs from Harry Reid International on Sat, 2 Jan, arriving in Missoula.Price includes taxes and charges.From $865, select.
      Las Vegas.$1,275 per passenger.Departing Wed, 21 Apr, returning Sun, 25 Apr.Return flight with Delta.Outbound indirect flight with Delta, departs from Missoula on Wed, 21 Apr, arriving in Harry Reid International.Inbound indirect flight with Delta, departs from Harry Reid International on Sun, 25 Apr, arriving in Missoula.Price includes taxes and charges.From $1,275, select.
      Las Vegas.$1,697 per passenger.Departing Fri, 5 Mar, returning Sun, 14 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Missoula on Fri, 5 Mar, arriving in Harry Reid International.Inbound indirect flight with Delta, departs from Harry Reid International on Sun, 14 Mar, arriving in Missoula.Price includes taxes and charges.From $1,697, select.

      Find the cheapest month to fly from Missoula to Las Vegas

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Missoula to Las Vegas flights are currently cheapest in November.
      Aug
      from $231
      Sep
      from $133
      Oct
      from $133
      Nov
      from $119
      Dec
      from $259
      Jan
      from $686
      Feb
      Find prices
      Mar
      from $1,697
      Apr
      from $1,275
      May
      from $822
      Jun
      Find prices
      Jul
      Find prices

      Direct flights from Missoula to Las Vegas

      Allegiant Air

      Alternative Missoula to Las Vegas routes

      Looking for the cheapest, fastest or easiest route from Missoula to Las Vegas? You could fly into the following airports instead.

      Harry Reid International

      4km from central Las Vegas
      ClosestCheapest
      from $119
      Search flights

      North Las Vegas

      11km from central Las Vegas
      Search flights

      Henderson Executive

      16km from central Las Vegas
      Search flights

      Boulder City Municipal

      34km from central Las Vegas
      Search flights

      Missoula to Las Vegas: Flight information

      The things to know before you go.
      Cheapest flight found$119
      Cheapest month to flyNovember
      Average flight time2 hrs, 16 mins
      Most popular airlineAllegiant Air
      Average flights per week4

      Finding cheap flights from Missoula to Las Vegas: Frequently asked questions

      There are 4 airports in Las Vegas: Harry Reid International, North Las Vegas, Henderson Executive, and Boulder City Municipal.
      The best price we found for a return flight from Missoula to Las Vegas is $119. 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.
      2 hours and 16 minutes is the average flight time from Missoula to Las Vegas.
      Allegiant Air flies direct from Missoula to Las Vegas.
      As of August 2026, there are 4 flights per week flying from Missoula to Las Vegas.
      The cheapest month to fly from Missoula to Las Vegas is usually November.
      If you're flying from Missoula Airport, the cheapest airport near Las Vegas is Harry Reid International – which is 4.3 km away from the centre of Las Vegas. We've found flights into this airport from $119.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Missoula Airport to Las Vegas on Sunday, 1 November 2026.
      Yes – the average flight time is 2 hours and 16 minutes.
      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 Las Vegas 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.

      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.

      In August, the average temperature is usually around 29°C. July is typically the warmest month in Las Vegas, when it usually averages around 37°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging -0°C. The rainiest month is February.
      Currently, Allegiant Air offers the cheapest flight tickets to Las Vegas.

      Travelling from Missoula Montana Airport (MSO) to Las Vegas: what you need to know

      • The average length of a direct flight from Missoula Montana Airport to Las Vegas is 2 hours 15 minutes.

      • Las Vegas is one hour behind Missoula, where Missoula Montana Airport is located. Las Vegas follows the UTC-8 timezone.

      • For stress-free travel, arrive at the airport two hours ahead of international flights and an hour before domestic departures. That way, you won't have to rush to catch your MSO to Las Vegas flight.

      • You can expect longer queues during popular months like July. Arriving up to four hours ahead of an international flight and two hours for a domestic departure is a good idea.

      • You can book a direct Missoula Montana Airport to Las Vegas ticket. Begin your journey at MSO and touch down at Las Vegas Harry Reid International Airport (LAS).

      • Allegiant Air is a popular carrier that offers direct flights from Missoula Montana Airport to Las Vegas.

      • Located around 8 kilometres from the centre of Missoula, MSO can be reached in about 15 minutes by car. The journey on public transport will take roughly 30 minutes.

      • Booked an early flight from Missoula Montana Airport to Las Vegas? Avoid the hassle of rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these stays close to MSO:

      • 83% of flights departing from Missoula Montana Airport touch down at their destination on schedule. Given its reliable on-time performance, you're unlikely to experience delays when taking off from MSO.

      • MSO is located at 5225 Highway 10 West.

      How to find the cheapest flights from Missoula Montana Airport (MSO) to Las Vegas

      • The lowest price we've seen for a one-way Missoula Montana Airport to Las Vegas flight is $59. The cheapest price for a return flight is $119. Bear in mind fares may change due to availability at the time of booking.

      • Get cheap flights from MSO to Las Vegas by booking one month ahead. According to our research, that's the sweet spot for finding a bargain.

      • The best month for scoring cheap Missoula Montana Airport to Las Vegas tickets is June. Use the 'Whole month' tool to compare flight prices, then select the dates that offer the biggest savings.

      • Finding a cheap flight from MSO to Las Vegas couldn't be easier with Price Alerts. All you need to do is set up one of these automatic notifications and we'll let you know when a better deal is available.

      • Snag an affordable flight from Missoula Montana Airport to Las Vegas with the help of our filters. Select your preferred departure time, duration and airlines, then sort the results by 'Cheapest' for the best deals.

      Airports in Las Vegas

      Las Vegas Harry Reid International Airport (LAS)

      • The distance from Las Vegas Harry Reid International Airport (LAS) to central Las Vegas is roughly 8 kilometres. It takes around 10 minutes to get to the centre driving.

      • It takes around 25 minutes to get there by public transport.

      • Book a hotel close to LAS if you have a late flight from Missoula Montana Airport to Las Vegas. Pick one of these accommodation options and make your first night all about rest:

      • To secure the lowest price, book your ride from Las Vegas Harry Reid International Airport about one week ahead of your flight from MSO to Las Vegas.

      • The address for LAS is 5757 Wayne Newton Boulevard.

      Best time to go to Las Vegas

      • It's time to pick your travel dates for your flight from Missoula Montana Airport to Las Vegas. March is the most popular month to visit Las Vegas. If you prefer a more low-key vibe, go in December.

      • Lock in a Missoula Montana Airport to Las Vegas plane ticket with a departure in July if you're eager to visit the city during its warmest month. You can expect temperatures to range from 23ºC (73ºF) to 43ºC (109ºF).

      • January has average temperatures of between 0ºC (32ºF) and 16ºC (61ºF). Search for a cheap ticket from MSO to Las Vegas around that time if you want to travel when it's cooler.

      More about Las Vegas

      • When it comes to looking for somewhere to lay your head, you'll find the best places to stay in Las Vegas right here. Check out these hotels once you've booked your flight from Missoula Montana Airport to Las Vegas:

      • Every great adventure has to include a little sightseeing. Las Vegas Strip, Ciudad del Pecado o Las Vegas and Fountains of Bellagio are must-visits when exploring Las Vegas.

      Explore more of the United States

      • You've done Las Vegas, now it's time to explore other parts of the United States. Journey about 370 kilometres southwest to Los Angeles to tick off its popular sights. From Hollywood Sign to Universal Studios Hollywood and Hollywood Bowl, you'll have a packed itinerary ahead.

      • Around 418 kilometres southeast of Las Vegas, Phoenix is another favourite stop in the United States. No visit is complete without checking out Camelback Mountain, Yayoi Kusama Fireflies Infinity Mirror Room and Heard Museum.

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      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.