Need help booking?
Unpublished phone-only deals available
HLN to DTA: distance & flight time
Helena (Helena Regional Airport) → Delta (Delta Municipal Airport)
500 mi
805 km · 434 nm
1h 33m
estimated nonstop flight time
Same time
time difference · heading south
See live HLN→DTA fares Phone-only fares on this route — call free
Flight time details
500 miles nonstop takes roughly 1h 33m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- HLN — Helena Regional Airport · Helena, United States
- DTA — Delta Municipal Airport · Delta, 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 DTA
- PVU · Provo Municipal Airport71 mi away
- PUC · Carbon County Regional/Buck Davis Field95 mi away
- SLC · Salt Lake City International Airport101 mi away
- BCE · Bryce Canyon Airport117 mi away
Frequently asked questions
How far is HLN from DTA?
The flight distance from Helena (HLN) to Delta (DTA) is 500 miles (805 km, 434 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLN to DTA?
A nonstop flight takes about 1h 33m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the cheapest way to fly from HLN to DTA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLN–DTA that never appear on search engines, with no booking fees.