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FSI to WNN: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Wunnumin Lake (Wunnumin Lake Airport)
1,337 mi
2,152 km · 1,162 nm
3h 22m
estimated nonstop flight time
+1h
time difference · heading north
See live FSI→WNN fares Phone-only fares on this route — call free
Flight time details
1,337 miles nonstop takes roughly 3h 22m gate to gate, flying north. 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
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, United States
- WNN — Wunnumin Lake Airport · Wunnumin 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 WNN
- KIF · Kingfisher Lake Airport25 mi away
- SUR · Summer Beaver Airport34 mi away
- YBS · Opapimiskan Lake Airport50 mi away
- XKS · Kasabonika Airport51 mi away
Frequently asked questions
How far is FSI from WNN?
The flight distance from Fort Sill (FSI) to Wunnumin Lake (WNN) is 1,337 miles (2,152 km, 1,162 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to WNN?
A nonstop flight takes about 3h 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 FSI to WNN?
Nonstop service on FSI–WNN 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 3h 22m nonstop estimate.
What is the time difference between Fort Sill and Wunnumin Lake?
Wunnumin Lake is 1 hour ahead of Fort Sill.
What is the cheapest way to fly from FSI to WNN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–WNN that never appear on search engines, with no booking fees.
Why are some FSI to WNN fares phone-only?
Consolidator contracts let us sell certain FSI–WNN 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.