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YKU to FSI: distance & flight time
Chisasibi (Chisasibi Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
1,626 mi
2,617 km · 1,413 nm
3h 39m
estimated nonstop flight time
-1h
time difference · heading southwest
See live YKU→FSI fares Phone-only fares on this route — call free
Flight time details
1,626 miles nonstop takes roughly 3h 39m 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
- YKU — Chisasibi Airport · Chisasibi, 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 YKU
- YGL · La Grande Rivière Airport51 mi away
- YNC · Wemindji Airport55 mi away
- ZEM · Eastmain River Airport110 mi away
- YGW · Kuujjuarapik Airport112 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 YKU from FSI?
The flight distance from Chisasibi (YKU) to Fort Sill (FSI) 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 YKU to FSI?
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.
Are there nonstop flights from YKU to FSI?
Nonstop service on YKU–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 3h 39m nonstop estimate.
What is the time difference between Chisasibi and Fort Sill?
Fort Sill is 1 hour behind Chisasibi.
What is the cheapest way to fly from YKU to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YKU–FSI that never appear on search engines, with no booking fees.
Why are some YKU to FSI fares phone-only?
Consolidator contracts let us sell certain YKU–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.