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YYT to FSI: distance & flight time
St. John's (St. John's International Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
2,497 mi
4,018 km · 2,170 nm
5h 22m
estimated nonstop flight time
-2.5h
time difference · heading west
See live YYT→FSI fares Phone-only fares on this route — call free
Flight time details
2,497 miles nonstop takes roughly 5h 22m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2.5-hour time set-back when reading arrival times on your ticket.
The two airports
- YYT — St. John's International Airport · St. John's, Canada
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, 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 YYT
- YQX · Gander International Airport124 mi away
Near FSI
- LAW · Lawton Fort Sill Regional Airport6 mi away
- DUC · Halliburton Field28 mi away
- HBR · Hobart Regional Airport44 mi away
- SPS · Sheppard Air Force Base-Wichita Falls Municipal Airport46 mi away
Frequently asked questions
How far is YYT from FSI?
The flight distance from St. John's (YYT) to Fort Sill (FSI) is 2,497 miles (4,018 km, 2,170 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YYT to FSI?
A nonstop flight takes about 5h 22m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from YYT to FSI?
Nonstop service on YYT–FSI depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 5h 22m nonstop estimate.
What is the time difference between St. John's and Fort Sill?
Fort Sill is 2.5 hours behind St. John's.
What is the cheapest way to fly from YYT to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YYT–FSI that never appear on search engines, with no booking fees.
Why are some YYT to FSI fares phone-only?
Consolidator contracts let us sell certain YYT–FSI tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.