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YST to WYS: distance & flight time
St. Theresa Point (St. Theresa Point Airport) → West Yellowstone (Yellowstone Airport)
965 mi
1,552 km · 838 nm
2h 34m
estimated nonstop flight time
-1h
time difference · heading southwest
See live YST→WYS fares Phone-only fares on this route — call free
Flight time details
965 miles nonstop takes roughly 2h 34m gate to gate, flying southwest. 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
- WYS — Yellowstone Airport · West Yellowstone, 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 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 WYS
- BZN · Gallatin Field75 mi away
- JAC · Jackson Hole Airport77 mi away
- LVM · Mission Field77 mi away
- IDA · Idaho Falls Regional Airport94 mi away
Frequently asked questions
How far is YST from WYS?
The flight distance from St. Theresa Point (YST) to West Yellowstone (WYS) is 965 miles (1,552 km, 838 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YST to WYS?
A nonstop flight takes about 2h 34m 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 West Yellowstone?
West Yellowstone is 1 hour behind St. Theresa Point.
What is the cheapest way to fly from YST to WYS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YST–WYS that never appear on search engines, with no booking fees.