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HLN to LAS: distance & flight time
Helena (Helena Regional Airport) → Las Vegas (McCarran International Airport)
745 mi
1,200 km · 648 nm
2h 5m
estimated nonstop flight time
-1h
time difference · heading south
See live HLN→LAS fares Phone-only fares on this route — call free
Flight time details
745 miles nonstop takes roughly 2h 5m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- HLN — Helena Regional Airport · Helena, United States
- LAS — McCarran International Airport · Las Vegas, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near HLN
- BTM · Bert Mooney Airport51 mi away
- GTF · Great Falls International Airport67 mi away
- BZN · Gallatin Field70 mi away
- LVM · Mission Field97 mi away
Near LAS
- HSH · Henderson Executive Airport7 mi away
- VGT · North Las Vegas Airport9 mi away
- LSV · Nellis Air Force Base13 mi away
- INS · Creech Air Force Base45 mi away
Frequently asked questions
How far is HLN from LAS?
The flight distance from Helena (HLN) to Las Vegas (LAS) is 745 miles (1,200 km, 648 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLN to LAS?
A nonstop flight takes about 2h 5m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from HLN to LAS?
Nonstop service on HLN–LAS depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 2h 5m nonstop estimate.
What is the time difference between Helena and Las Vegas?
Las Vegas is 1 hour behind Helena.
What is the cheapest way to fly from HLN to LAS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLN–LAS that never appear on search engines, with no booking fees.
Why are some HLN to LAS fares phone-only?
Consolidator contracts let us sell certain HLN–LAS tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.