Need help booking?
Unpublished phone-only deals available
YKF to FSI: distance & flight time
Waterloo (Waterloo Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
1,139 mi
1,833 km · 990 nm
2h 57m
estimated nonstop flight time
-1h
time difference · heading southwest
See live YKF→FSI fares Phone-only fares on this route — call free
Flight time details
1,139 miles nonstop takes roughly 2h 57m 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
- YKF — Waterloo Airport · Waterloo, 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 YKF
- YYZ · Lester B. Pearson International Airport40 mi away
- YHM · John C. Munro Hamilton International Airport30 mi away
- YXU · London Airport49 mi away
- YZD · Downsview Airport50 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 YKF from FSI?
The flight distance from Waterloo (YKF) to Fort Sill (FSI) is 1,139 miles (1,833 km, 990 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YKF to FSI?
A nonstop flight takes about 2h 57m 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 Waterloo and Fort Sill?
Fort Sill is 1 hour behind Waterloo.
What is the cheapest way to fly from YKF to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YKF–FSI that never appear on search engines, with no booking fees.