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YST to YRM: distance & flight time
St. Theresa Point (St. Theresa Point Airport) → Rocky Mountain House (Rocky Mountain House Airport)
834 mi
1,342 km · 725 nm
2h 17m
estimated nonstop flight time
-1h
time difference · heading west
See live YST→YRM fares Phone-only fares on this route — call free
Flight time details
834 miles nonstop takes roughly 2h 17m gate to gate, flying west. 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
- YST — St. Theresa Point Airport · St. Theresa Point, Canada
- YRM — Rocky Mountain House Airport · Rocky Mountain House, 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 YST
- YIV · Island Lake Airport8 mi away
- YGO · Gods Lake Narrows Airport51 mi away
- YRS · Red Sucker Lake Airport57 mi away
- ZGI · Gods River Airport75 mi away
Near YRM
- YQF · Red Deer Regional Airport46 mi away
- YEG · Edmonton International Airport82 mi away
- YBA · Banff Airport89 mi away
- YXD · Edmonton City Centre (Blatchford Field) Airport98 mi away
Frequently asked questions
How far is YST from YRM?
The flight distance from St. Theresa Point (YST) to Rocky Mountain House (YRM) is 834 miles (1,342 km, 725 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YST to YRM?
A nonstop flight takes about 2h 17m 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. Theresa Point and Rocky Mountain House?
Rocky Mountain House is 1 hour behind St. Theresa Point.
What is the cheapest way to fly from YST to YRM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YST–YRM that never appear on search engines, with no booking fees.