Cheap flights from Helena to Las Vegas from $287
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to Las Vegas departing on 7/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Helena to Las Vegas
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Las Vegas?
The month of May is, on average, the cheapest month to fly to Las Vegas from Helena, with most prices found around $224. The month of January is another great option to travel to Las Vegas, with average flight prices from Helena averaging around $319.
What is the cheapest day to depart on your flight to Las Vegas?
Our data shows that Monday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $331. Flights from Helena to Las Vegas on a Friday will generally be more expensive and average around $512. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest airline that flies from Helena to Las Vegas Harry Reid Intl?
United Airlines, Delta, and Alaska Airlines are the most popular carriers operating from Helena to Las Vegas Harry Reid Intl
What airlines fly to Las Vegas?
Allegiant Air, Delta and Southwest are the top three most popular airlines that fly to Las Vegas from Helena according to our data. Allegiant Air is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Las Vegas. Keep in mind that there are 7 different airlines that fly to Las Vegas on a routine basis, so you have a few additional options to choose from.
When to book flights from Helena to Las Vegas
Cheap Helena to Las Vegas (HLN to LAS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Helena to Las Vegas
How far is Helena to Las Vegas Harry Reid Intl by plane?
Helena and Las Vegas Harry Reid Intl are 736.9 mi apart from one another. Flights usually cover this in 5h 11m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Helena Airport to Las Vegas Harry Reid Intl Airport?
Prices for flights from Helena Airport to Las Vegas Harry Reid Intl Airport were last updated today.
How many operators does momondo search for flights from Helena Airport to Las Vegas Harry Reid Intl Airport?
As of July 2025, there are 2 operators available to choose from for flights from Helena Airport to Las Vegas Harry Reid Intl Airport.
How old do you have to be to fly from Helena Airport to Las Vegas Harry Reid Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Helena Airport to Las Vegas Harry Reid Intl Airport.
What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?
The necessary travel and health documents for your Las Vegas Harry Reid Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Helena to Las Vegas?
momondo data reveals that the most frequently booked airline on the route from Helena to Las Vegas is Delta, representing 81% of all bookings. The subsequent popular airline is Alaska Airlines at 19%.
Best airlines flying from Helena to Las Vegas
Compare and see reviews for airlines that fly from Helena to Las Vegas with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $241 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $254 | Free Cancellation | Rating 8.0 7,982 reviews |
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Why should I use momondo to find a flight deal from Helena to Las Vegas?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Helena to Las Vegas. momondo saves you time and could save you money on your trip.
Can I find flights from Helena to Las Vegas with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Las Vegas from Helena with this policy.
How can momondo help me find flights from Helena to Las Vegas?
Once you have performed a search for Helena to Las Vegas flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Helena to Las Vegas right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Las Vegas, momondo offers a useful price alert feature which will track prices for flights to Las Vegas from Helena and alert you when they change.