Need help booking?
Unpublished phone-only deals available
HLN to YSF: distance & flight time
Helena (Helena Regional Airport) → Stony Rapids (Stony Rapids Airport)
909 mi
1,463 km · 790 nm
2h 27m
estimated nonstop flight time
Same time
time difference · heading north
See live HLN→YSF fares Phone-only fares on this route — call free
Flight time details
909 miles nonstop takes roughly 2h 27m gate to gate, flying north. 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
- YSF — Stony Rapids Airport · Stony Rapids, Canada
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 YSF
- ZFD · Fond-Du-Lac Airport48 mi away
- YNL · Points North Landing Airport92 mi away
- YBE · Uranium City Airport95 mi away
- ZWL · Wollaston Lake Airport124 mi away
Frequently asked questions
How far is HLN from YSF?
The flight distance from Helena (HLN) to Stony Rapids (YSF) is 909 miles (1,463 km, 790 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLN to YSF?
A nonstop flight takes about 2h 27m 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 YSF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLN–YSF that never appear on search engines, with no booking fees.