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YIF to HLN: distance & flight time
St-Augustin (St Augustin Airport) → Helena (Helena Regional Airport)
2,388 mi
3,844 km · 2,075 nm
5h 9m
estimated nonstop flight time
-2h
time difference · heading west
See live YIF→HLN fares Phone-only fares on this route — call free
Flight time details
2,388 miles nonstop takes roughly 5h 9m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- YIF — St Augustin Airport · St-Augustin, Canada
- HLN — Helena Regional Airport · Helena, 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 YIF
- ZLT · La Tabatière Airport30 mi away
- ZTB · Tête-à-la-Baleine Airport49 mi away
- YBX · Lourdes de Blanc Sablon Airport66 mi away
- YHR · Chevery Airport67 mi away
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
Frequently asked questions
How far is YIF from HLN?
The flight distance from St-Augustin (YIF) to Helena (HLN) is 2,388 miles (3,844 km, 2,075 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YIF to HLN?
A nonstop flight takes about 5h 9m 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 time difference between St-Augustin and Helena?
Helena is 2 hours behind St-Augustin.
What is the cheapest way to fly from YIF to HLN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YIF–HLN that never appear on search engines, with no booking fees.