The cheapest times to fly from LAS to HLN are

  • January 1st to February 11th
  • July 23rd to November 18th
  • December 3rd to December 16th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from LAS to HLN is early to mid September. Prices can be as high as $791 for Sunday flights during early to mid May, or as low as $238 for Tuesday flights around early to mid September.


When to Fly to Helena

Flying from Las Vegas, NV (LAS) to Helena, MT (HLN) will usually cost between $248 to $518 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid September with an average ticket price of $290. Due to high demand the most expensive time to fly is early to mid May, with an average price of $526. Planning your trip to low-cost times can easily save you $236 on economy flights and even more on first-class flights. Generally, any price below $369 can be considered a good price for a round-trip LAS to HLN flight.

See below for a graph of average weekly prices for the LAS to HLN route. All prices are for round-trip tickets in USD.

LAS to HLN Flight Prices

Compared to other flights, the LAS to HLN flight is much cheaper than the average and costs much less than the average flight leaving from Las Vegas. The average price per mile (for a direct flight) is $0.31, which is in the normal range for a flight.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $120 (27%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $318. Return trip prices are from the HLN to LAS flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from LAS to HLN can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 2 hour 19 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from LAS to HLN while comparing.

Destination alternative #1: Bozeman Yellowstone International Airport (BZN) in Bozeman, MT

  • 70 miles (113 km) away from HLN
  • Usually 20.73% less expensive than HLN
  • Nonstop flights available

See LAS to BZN flights

Destination alternative #2: Missoula International Airport (MSO) in Missoula, MT

  • 102 miles (164 km) away from HLN
  • Usually 16.53% less expensive than HLN
  • Nonstop flights available

See LAS to MSO flights

Destination alternative #3: Bert Mooney Airport (BTM) in Butte, MT

  • 51 miles (82 km) away from HLN
  • Usually 4.07% less expensive than HLN
  • 1-layover flights available

See LAS to BTM flights


Flight Questions Answered

Still have questions about flying from LAS to HLN? We’ve got answers.

Which airlines fly this route?

You can find 4 major airlines flying this route most often: Alaska, American, Delta, United, and potentially more during busy seasons.

How far away is it from Helena Regional Airport to McCarran International Airport?

The distance between the two airports is roughly 745 miles or 1199 kilometers.

How long does it take to fly from LAS to HLN?

The real-world flight time for a nonstop LAS to HLN flight is about 2 hour 19 minutes.

How many flights go between Las Vegas, NV and Helena, MT?

It depends on the day of the week and the date, but a typical day might have around 46 available flights from LAS to HLN.


Airport Location Info


Departing Airport

Origination code LAS
Origination airport name McCarran International Airport
City Las Vegas, NV
Country the United States
Latitude 36.1
Longitude -115.2

Return Airport

Destination code HLN
Destination airport name Helena Regional Airport
City Helena, MT
Country the United States
Latitude 46.6
Longitude -112


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.