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Cheap Flights from Billings (BIL) to Las Vegas (LASA)

Compare Billings to Las Vegas flight deals

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

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Flight deals from Billings to Las Vegas

Looking for a cheap last-minute deal or the best return flight from Billings to Las Vegas? Find the lowest prices on one-way and return tickets right here.
Las Vegas.$139 per passenger.Departing Mon, 22 Sep, returning Thu, 9 Oct.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Billings on Mon, 22 Sep, arriving in Las Vegas Harry Reid International.Inbound direct flight with Allegiant Air departs from Las Vegas Harry Reid International on Thu, 9 Oct, arriving in Billings.Price includes taxes and charges.From $139, select.
Las Vegas.$154 per passenger.Departing Mon, 22 Sep, returning Fri, 26 Sep.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Billings on Mon, 22 Sep, arriving in Las Vegas Harry Reid International.Inbound direct flight with Allegiant Air departs from Las Vegas Harry Reid International on Fri, 26 Sep, arriving in Billings.Price includes taxes and charges.From $154, select.
Las Vegas.$154 per passenger.Departing Sun, 5 Oct, returning Thu, 9 Oct.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Billings on Sun, 5 Oct, arriving in Las Vegas Harry Reid International.Inbound direct flight with Allegiant Air departs from Las Vegas Harry Reid International on Thu, 9 Oct, arriving in Billings.Price includes taxes and charges.From $154, select.
Las Vegas.$159 per passenger.Departing Mon, 18 Aug, returning Fri, 5 Sep.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Billings on Mon, 18 Aug, arriving in Las Vegas Harry Reid International.Inbound direct flight with Allegiant Air departs from Las Vegas Harry Reid International on Fri, 5 Sep, arriving in Billings.Price includes taxes and charges.From $159, select.
Las Vegas.$170 per passenger.Departing Mon, 27 Oct, returning Fri, 14 Nov.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Billings on Mon, 27 Oct, arriving in Las Vegas Harry Reid International.Inbound direct flight with Allegiant Air departs from Las Vegas Harry Reid International on Fri, 14 Nov, arriving in Billings.Price includes taxes and charges.From $170, select.
Las Vegas.$174 per passenger.Departing Mon, 18 Aug, returning Fri, 22 Aug.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Billings on Mon, 18 Aug, arriving in Las Vegas Harry Reid International.Inbound direct flight with Allegiant Air departs from Las Vegas Harry Reid International on Fri, 22 Aug, arriving in Billings.Price includes taxes and charges.From $174, select.
Las Vegas.$179 per passenger.Departing Mon, 3 Nov, returning Fri, 14 Nov.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Billings on Mon, 3 Nov, arriving in Las Vegas Harry Reid International.Inbound direct flight with Allegiant Air departs from Las Vegas Harry Reid International on Fri, 14 Nov, arriving in Billings.Price includes taxes and charges.From $179, select.
Las Vegas.$190 per passenger.Departing Mon, 24 Nov, returning Fri, 5 Dec.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Billings on Mon, 24 Nov, arriving in Las Vegas Harry Reid International.Inbound direct flight with Allegiant Air departs from Las Vegas Harry Reid International on Fri, 5 Dec, arriving in Billings.Price includes taxes and charges.From $190, select.

Find the cheapest month to fly from Billings to Las Vegas

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Billings to Las Vegas flights are currently cheapest in September.
Aug
from $174
Sep
from $154
Oct
from $154
Nov
from $179
Dec
from $228
Jan
from $311
Feb
from $555
Mar
Find prices
Apr
from $795
May
Find prices
Jun
Find prices
Jul
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Direct flights from Billings to Las Vegas

Alternative Billings to Las Vegas routes

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

Billings to Las Vegas: Flight information

The things to know before you go.
Cheapest flight found$139
Cheapest month to flySeptember
Average flight time2 hrs, 11 mins
Most popular airlineAllegiant Air
Average flights per week4

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

There are 4 airports in Las Vegas: Las Vegas North Air Terminal, Las Vegas Harry Reid International, Las Vegas Henderson Sky Harbor, and Boulder City.
The best price we found for a return flight from Billings to Las Vegas is $139. 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 11 minutes is the average flight time from Billings to Las Vegas.
Allegiant Air flies direct from Billings to Las Vegas.
As of August 2025, there are 4 flights per week flying from Billings to Las Vegas.
The cheapest month to fly from Billings to Las Vegas is usually September.
If you're flying from Billings Airport, the cheapest airport near Las Vegas is Las Vegas Harry Reid International – which is 4.3 km away from the centre of Las Vegas. We've found flights into this airport from $139.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Billings Airport to Las Vegas on Monday, 22 September 2025.
Yes – the average flight time is 2 hours and 11 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 Billings Logan International Airport (BIL) to Las Vegas: what you need to know

  • Take a direct flight from Billings Logan International Airport to Las Vegas and you'll be in the air for around 2 hours 10 minutes.

  • Billings Logan International Airport is located in Billings. Following the UTC-7 timezone, Las Vegas is one hour behind Billings.

  • With two flights a week between the two airports, Billings Logan International Airport (BIL) to Harry Reid Airport (formerly McCarran Airport) (LAS) is the most popular route. Allegiant Air operates the earliest flight at 09:55. If you're eager to make the most of your day before jetting off, the last departure from BIL to LAS is with Allegiant Air at 22:27.

  • Give yourself enough time to catch your BIL to Las Vegas flight. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

  • If you're travelling during a bank holiday or another peak period, allow for even more time. A good general rule is two hours ahead of domestic flights and up to four hours before international departures. Security and check-in lines will be longer.

  • Start your journey at BIL and fly nonstop to Harry Reid Airport (formerly McCarran Airport) (LAS). That's where you can expect to land when searching for Billings Logan International Airport to Las Vegas tickets.

  • Allegiant Air is a well-known carrier that offers direct flights from Billings Logan International Airport to Las Vegas.

  • BIL is around 3 kilometres from central Billings. If you're driving, ride-sharing or catching a cab from the centre, it'll take you 10 minutes or so to get there, depending on the traffic. If you're using public transport, expect the journey time to be around 25 minutes.

  • Want a stress-free start to your travels? Stay near BIL. Whether you're catching an early flight from Billings Logan International Airport to Las Vegas or want to avoid feeling rushed, these hotels are just the thing:

  • When it comes to the on-time performance of Billings Logan International Airport, 75.96% of flights arrive within the scheduled time frame.

  • BIL is located at 1901 Terminal Circle, Room 216.

How to find the cheapest flights from Billings Logan International Airport (BIL) to Las Vegas

  • $69 is currently the lowest price for a one-way Billings Logan International Airport to Las Vegas flight. A return flight ticket starts from $139. These fares may change based on demand.

  • Book five months before your departure date. Pricing trends show that this is the ideal window for finding cheap flights from BIL to Las Vegas.

  • Organise your trip for September. That's the best month for landing the biggest deals on Billings Logan International Airport to Las Vegas tickets. If your travel dates are flexible, use the 'Whole month' tool to access the cheapest price across each month.

  • Save time looking for cheap flights from BIL to Las Vegas by creating a Price Alert. You'll get an email or notification through the app when fares go down.

  • Tailor your trip with filters. Pick your ideal departure and arrival times, airlines and total journey duration. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best' flights from Billings Logan International Airport to Las Vegas.

Airports in Las Vegas

Harry Reid Airport (formerly McCarran Airport) (LAS)

  • Harry Reid Airport (formerly McCarran Airport) (LAS) to the centre of Las Vegas takes about 15 minutes by car. The centre is roughly 19 kilometres away.

  • When travelling on public transport, expect a journey time of about 1 hour.

  • The last thing you want is a lengthy journey to your hotel if you're landing late on a flight from Billings Logan International Airport to Las Vegas. Book one of these accommodation options near LAS instead:

  • Pick up a Harry Reid Airport (formerly McCarran Airport) rental car and discover Las Vegas and beyond with your own wheels. Dollar, Thrifty and Alamo are popular providers you can book with here.

  • Reserving your ride from Harry Reid Airport (formerly McCarran Airport) around one week before your flight from BIL to Las Vegas can help you lock in the lowest rate.

  • The street address for LAS is 5757 Wayne Newton Boulevard.

Best time to go to Las Vegas

  • Before booking your flights from Billings Logan International Airport to Las Vegas, consider which time of year is best for you. High season in Las Vegas offers a bustling atmosphere and plenty of things to do, while low season brings cheaper hotel rates and smaller crowds.

  • When booking your Billings Logan International Airport to Las Vegas flight ticket, think about the weather you're most comfortable in. July is the warmest month in Las Vegas, with temperatures ranging from 23ºC (73ºF) to 42ºC (108ºF).

  • If you'd rather travel in cooler conditions, look for a cheap ticket from BIL to Las Vegas in January when temperatures average between -1ºC (30ºF) and 13ºC (55ºF).

More about Las Vegas

  • When it comes to searching for somewhere to lay your head, you'll find the most popular stays in Las Vegas right here. Explore these hotels once you've booked your flight from Billings Logan International Airport to Las Vegas:

  • There are so many things to see and do in this city it can be hard to work out where to start. Fountains of Bellagio, Las Vegas Strip and Fremont Street Experience are top sights which should be on every Las Vegas itinerary.

Explore more of United States

  • Los Angeles is just one of the many cities in United States waiting to be discovered once you've taken in the sights of Las Vegas. Around 370 kilometres away to the south-west, its best attractions include Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

  • If you're eager to discover another great destination in United States, consider Phoenix, about 418 kilometres south-east of Las Vegas. Desert Botanical Garden, Heard Museum and Papago Park are key highlights.

More travel options

Plan the rest of your trip from Billings to Las Vegas

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.