Cheap flights from Billings to Harry Reid

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      Allegiant Air

      Compare Billings to Harry Reid flight deals

      Find the cheapest month or even day of the year to fly to Harry Reid

      Book the best Harry Reid fare with no extra fees

      Flight deals from Billings to Harry Reid

      Looking for a cheap last-minute deal or the best round-trip flight from Billings Airport to Harry Reid Airport? If you want to travel next month, round-trip fares start from $112. Find the lowest prices on one-way and round-trip tickets right here.

      Find the cheapest month to fly from Billings to Harry Reid

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

      Direct flights from Billings to Harry Reid

      Allegiant Air

      Billings to Harry Reid: Alternative routes

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

      Billings to Las Vegas: Flight information

      The things to know before you go.
      Cheapest flight found$98
      Cheapest month to flyOctober
      Average flight time2 hrs, 12 mins
      Most popular airlineAllegiant Air
      Average flights per week3

      Finding cheap flights from Billings to Harry Reid: Frequently asked questions

      The best price we found for a round-trip flight from Billings to Harry Reid is $98. 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 12 minutes is the average flight time from Billings to Harry Reid.
      Allegiant Air flies direct from Billings to Harry Reid.
      There are 3 flights per week flying from Billings to Harry Reid, as of August 2026.
      The cheapest month to fly from Billings to Harry Reid is usually October.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Billings Airport to Harry Reid Airport on Monday, October 5, 2026.
      Yes – the average flight time is 2 hours and 12 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 Harry Reid 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.

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

      Flying from Billings Airport (BIL) to Harry Reid International Airport (LAS): what you need to know

      • Around 2 hours 10 minutes is how long you'll be traveling on a direct flight from Billings Airport to Harry Reid International Airport.

      • Las Vegas is one hour behind Billings and follows the UTC-8 timezone.

      • Your BIL to LAS flight won't wait if you're late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

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

      • Allegiant Air has direct flights from Billings Airport to Harry Reid International Airport. Book with this popular airline, then get ready to check out the sights in Las Vegas — and maybe even more of the United States if time allows.

      • The majority of passengers choose to fly with Allegiant Air on this route.

      • Allegiant Air is the most punctual carrier that offers BIL to LAS flights, with 75.38% of its services landing on time.

      • We make it a cinch to book a flight with a stopover. To see your options for tickets from Billings Airport to Harry Reid International Airport, uncheck 'Direct flights only.' Then, pick a flight with a stop long enough to tour the city of your choice. Some great stopovers between BIL and LAS include:

        • Denver International Airport

        • Phoenix Sky Harbor Airport

        • Salt Lake City Airport

      How to find the cheapest flights from Billings Airport (BIL) to Harry Reid International Airport (LAS)

      • The cheapest price we've seen for a one-way Billings Airport to Harry Reid International Airport flight is $52. A round-trip plane ticket is currently $98. Depending on the availability when you book, these fares could change.

      • Score cheap tickets from BIL to LAS by booking at least four months ahead. Based on our research, that's the sweet spot for landing a bargain.

      • September is the cheapest month for flights from Billings Airport to Harry Reid International Airport. If you want to travel during a different time of year, the 'Whole month' tool will give you the lowest prices across every month.

      • You don't need to check back in every day to find out if fares have gone down when you set up a Price Alert. We'll notify you as soon as there's a better deal on cheap flights from BIL to LAS.

      • Find the perfect flight for you with the help of the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Billings Airport to Harry Reid International Airport, use the 'Sort by' function. You can also filter by airline, arrival and departure times, and journey duration.

      Handy information about Billings Airport (BIL)

      • You'll find BIL at 1901 Terminal Circle, Room 216.

      • Billings Airport has a strong on-time record, reducing your chances of a delayed flight. Departures from BIL land at their destination as scheduled 84% of the time.

      • To reach Billings Airport from central Billings, it takes around 15 minutes if you're going by car. This depends on traffic, however. It's approximately 10 kilometers from the airport to the city center.

      • The journey when using public transport will take about 30 minutes.

      • Get your break off to a leisurely start by staying near BIL. Whether you're taking an early flight from Billings Airport to Harry Reid International Airport or want to avoid feeling rushed, these hotels are ideal:

      Arriving at Harry Reid International Airport (LAS)

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

      • You'll find LAS at 5757 Wayne Newton Boulevard.

      • From Harry Reid International Airport, Las Vegas is approximately 8 kilometers away. It takes around 10 minutes to get to the center driving.

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

      When to fly to Harry Reid International Airport (LAS)

      • April is the most popular month for flights from Billings Airport to Harry Reid International Airport. For a quieter experience, head to Las Vegas in March.

      • Lock in your flight from Billings Airport to Harry Reid International Airport for July if you'd like to explore Las Vegas during its warmest month. You can expect temperatures of between 23ºC (73ºF) and 43ºC (109ºF).

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

      Explore more of the United States

      • Los Angeles is just one of the many places in the United States waiting to be discovered after you've experienced Las Vegas. Around 370 kilometers away to the south-west, its top attractions include Hollywood Sign, Universal Studios Hollywood and Hollywood Bowl.

      • If you're looking to explore another major stop in the United States, head for Phoenix, about 418 kilometers south-east of Las Vegas. Camelback Mountain, Yayoi Kusama Fireflies Infinity Mirror Room and Heard Museum are among the biggest draws.

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