Cheap Flights from Billings to Harry Reid International from $171

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Flight deals from Billings to Harry Reid International

Looking for a cheap last-minute deal or the best return flight from Billings to Harry Reid International? Find the lowest prices on one-way and return tickets right here.

Las Vegas.$171 per passenger.Departing Mon, 23 Feb, returning Fri, 27 Feb.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Billings on Mon, 23 Feb, arriving in Harry Reid International.Inbound direct flight with Allegiant Air departs from Harry Reid International on Fri, 27 Feb, arriving in Billings.Price includes taxes and charges.From $171, select.

Las Vegas.$183 per passenger.Departing Mon, 23 Feb, returning Fri, 13 Mar.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Billings on Mon, 23 Feb, arriving in Harry Reid International.Inbound direct flight with Allegiant Air departs from Harry Reid International on Fri, 13 Mar, arriving in Billings.Price includes taxes and charges.From $183, select.

Las Vegas.$194 per passenger.Departing Mon, 2 Mar, returning Fri, 13 Mar.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Billings on Mon, 2 Mar, arriving in Harry Reid International.Inbound direct flight with Allegiant Air departs from Harry Reid International on Fri, 13 Mar, arriving in Billings.Price includes taxes and charges.From $194, select.

Las Vegas.$262 per passenger.Departing Fri, 10 Apr, returning Fri, 24 Apr.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Billings on Fri, 10 Apr, arriving in Harry Reid International.Inbound direct flight with Allegiant Air departs from Harry Reid International on Fri, 24 Apr, arriving in Billings.Price includes taxes and charges.From $262, select.

Las Vegas.$269 per passenger.Departing Fri, 30 Jan, returning Fri, 20 Feb.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Billings on Fri, 30 Jan, arriving in Harry Reid International.Inbound direct flight with Allegiant Air departs from Harry Reid International on Fri, 20 Feb, arriving in Billings.Price includes taxes and charges.From $269, select.

Las Vegas.$349 per passenger.Departing Mon, 12 Jan, returning Mon, 19 Jan.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Billings on Mon, 12 Jan, arriving in Harry Reid International.Inbound direct flight with Allegiant Air departs from Harry Reid International on Mon, 19 Jan, arriving in Billings.Price includes taxes and charges.From $349, select.

Las Vegas.$522 per passenger.Departing Tue, 23 Jun, returning Fri, 26 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from Billings on Tue, 23 Jun, arriving in Harry Reid International.Inbound indirect flight with Delta, departs from Harry Reid International on Fri, 26 Jun, arriving in Billings.Price includes taxes and charges.From $522, select.

Las Vegas.$682 per passenger.Departing Fri, 22 May, returning Sun, 24 May.Return flight with Delta.Outbound indirect flight with Delta, departs from Billings on Fri, 22 May, arriving in Harry Reid International.Inbound indirect flight with Delta, departs from Harry Reid International on Sun, 24 May, arriving in Billings.Price includes taxes and charges.From $682, select.

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

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

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Direct flights from Billings to Harry Reid International

Billings to Harry Reid International: 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 International.

Billings to Las Vegas: Flight information

The things to know before you go.

Cheapest flight found	$171
Cheapest month to fly	February
Average flight time	2 hrs, 14 mins
Most popular airline	Allegiant Air
Average flights per week	3

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

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

The best price we found for a return flight from Billings to Harry Reid International is $171. 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 Billings to Harry Reid International?

2 hours and 14 minutes is the average flight time from Billings to Harry Reid International.

Which airlines fly direct from Billings to Harry Reid International?

Allegiant Air flies direct from Billings to Harry Reid International.

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

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

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

The cheapest month to fly from Billings to Harry Reid International is usually February.

Which upcoming date is cheapest to fly from Billings 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 Billings Airport to Harry Reid International Airport on Monday, 23 February 2026.

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

Yes – the average flight time is 2 hours and 14 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 Billings Airport to Harry Reid International with?

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

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

Jump on a direct flight from Billings Logan International Airport to Harry Reid Airport (formerly McCarran Airport) and you'll be in the air for an average of 2 hours 10 minutes.
The timezone in Las Vegas is UTC-7, which is one hour behind Billings.
For a stress-free journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This ensures you have enough time to board your BIL to LAS flight.
During popular months such as July, it's a good idea to get to the airport earlier than normal. Plan to arrive two hours before a domestic departure and four hours ahead of an international flight whenever you're flying during a high season in general.
Allegiant Air is your ticket to exploring Las Vegas (and maybe even some other exciting parts of United States!). Check out the direct flights from Billings Logan International Airport to Harry Reid Airport (formerly McCarran Airport) offered by this popular carrier.
The airline that passengers book most often on this route is Allegiant Air.
Allegiant Air is the most punctual carrier offering BIL to LAS flights, with 68.75% of its services arriving as scheduled.
We make it a breeze to book a flight with a stopover. To see your options for tickets from Billings Logan International Airport to Harry Reid Airport (formerly McCarran Airport), deselect 'Direct flights only.' Then, choose a flight with a stop long enough to tour your chosen city. Popular stopovers between BIL and LAS include:
- Salt Lake City International Airport
- Denver International Airport
- Phoenix Sky Harbour International Airport

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

The cheapest price we've seen for a one-way Billings Logan International Airport to Harry Reid Airport (formerly McCarran Airport) flight is $80. A return plane ticket is currently $171. Depending on the availability and when you book, these fares can change.
Book ten months before you want to fly. After looking at the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from BIL to LAS.
The cheapest month for flights from Billings Logan International Airport to Harry Reid Airport (formerly McCarran Airport) is September. Use the 'Whole month' tool to see the lowest prices if you have flexible dates.
There's no need to check back in every day to see if fares have gone down when you create a Price Alert. We'll send you an update the moment the price changes on cheap flights from BIL to LAS.
Tailor your flights using filters. Pick your ideal departure and arrival times, airlines and total journey duration. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from Billings Logan International Airport to Harry Reid Airport (formerly McCarran Airport).

Handy information about Billings Logan International Airport (BIL)

You'll find BIL at 1901 Terminal Circle, Room 216.
Of all flights leaving Billings Logan International Airport, 75.96% arrive as scheduled at their destination.
Central Billings to Billings Logan International Airport is approximately 5 kilometres. Depending on traffic, it'll take you about 10 minutes to get there if you're ride-sharing, catching a cab or driving.
The journey when using public transport will take about 25 minutes.
Looking for a convenient hotel near BIL? If you've booked an early flight from Billings Logan International Airport to Harry Reid Airport (formerly McCarran Airport), these accommodation options will have you moments from your check-in counter:

Arriving at Harry Reid Airport (formerly McCarran Airport) (LAS)

Consider booking a hotel near LAS if you're taking a late Billings Logan International Airport to Harry Reid Airport (formerly McCarran Airport) flight. Settle into one of these accommodation options and skip the long transfer:
Grab a Harry Reid Airport (formerly McCarran Airport) rental car and explore Las Vegas and beyond with your own set of wheels. Dollar, Thrifty and Alamo are top outlets to choose from here.
Lock in the best rate by booking your vehicle from Harry Reid Airport (formerly McCarran Airport) around one week ahead of your trip.

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

LAS is located at 5757 Wayne Newton Boulevard.
From Harry Reid Airport (formerly McCarran Airport), Las Vegas is approximately 19 kilometres away. It takes around 15 minutes to get to the centre driving.
If you're travelling by public transport, expect a journey time of about 1 hour.

When to fly to Harry Reid Airport (formerly McCarran Airport) (LAS)

October is the most popular month for flights from Billings Logan International Airport to Harry Reid Airport (formerly McCarran Airport). For smaller crowds, travel to Las Vegas in May.
The warmest month in Las Vegas is July, with the temperature ranging between 23ºC and 42ºC. Book your flights from Billings Logan International Airport to Harry Reid Airport (formerly McCarran Airport) in this month if this is the type of weather you like.
January has average temperatures of between -1ºC and 13ºC. Look for cheap tickets from BIL to LAS around that time if you like cooler conditions.

Explore more of United States

You've seen Las Vegas, now it's time to discover other corners of United States. Journey around 370 kilometres south-west to Los Angeles to check off its leading sights. From Griffith Observatory to The Broad and La Brea Tar Pits & Museum, you'll have a packed itinerary ahead.
If you're ready to explore another side of United States, head for Phoenix, about 418 kilometres south-east of Las Vegas. Desert Botanical Garden, Heard Museum and Papago Park are the start of reasons to visit.