Need help booking?
Unpublished phone-only deals available
FSI to YZH: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Slave Lake (Slave Lake Airport)
1,626 mi
2,617 km · 1,413 nm
3h 39m
estimated nonstop flight time
-1h
time difference · heading northwest
See live FSI→YZH fares Phone-only fares on this route — call free
Flight time details
1,626 miles nonstop takes roughly 3h 39m gate to gate, flying northwest. 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
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, United States
- YZH — Slave Lake Airport · Slave Lake, 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 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
Near YZH
- YZU · Whitecourt Airport89 mi away
- YPE · Peace River Airport122 mi away
- YXD · Edmonton City Centre (Blatchford Field) Airport129 mi away
- YET · Edson Airport136 mi away
Frequently asked questions
How far is FSI from YZH?
The flight distance from Fort Sill (FSI) to Slave Lake (YZH) is 1,626 miles (2,617 km, 1,413 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to YZH?
A nonstop flight takes about 3h 39m 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 Fort Sill and Slave Lake?
Slave Lake is 1 hour behind Fort Sill.
What is the cheapest way to fly from FSI to YZH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–YZH that never appear on search engines, with no booking fees.