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YST to ISM: distance & flight time
St. Theresa Point (St. Theresa Point Airport) → Kissimmee (Kissimmee Gateway Airport)
1,892 mi
3,044 km · 1,644 nm
4h 11m
estimated nonstop flight time
+1h
time difference · heading southeast
See live YST→ISM fares Phone-only fares on this route — call free
Flight time details
1,892 miles nonstop takes roughly 4h 11m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- YST — St. Theresa Point Airport · St. Theresa Point, Canada
- ISM — Kissimmee Gateway Airport · Kissimmee, 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 ISM
- MCO · Orlando International Airport12 mi away
- ORL · Orlando Executive Airport19 mi away
- GIF · Winter Haven Regional Airport - Gilbert Field25 mi away
- TPA · Tampa International Airport70 mi away
Frequently asked questions
How far is YST from ISM?
The flight distance from St. Theresa Point (YST) to Kissimmee (ISM) is 1,892 miles (3,044 km, 1,644 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YST to ISM?
A nonstop flight takes about 4h 11m 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 Kissimmee?
Kissimmee is 1 hour ahead of St. Theresa Point.
What is the cheapest way to fly from YST to ISM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YST–ISM that never appear on search engines, with no booking fees.