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YRS to FSI: distance & flight time
Red Sucker Lake (Red Sucker Lake Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
1,369 mi
2,203 km · 1,189 nm
3h 27m
estimated nonstop flight time
Same time
time difference · heading south
See live YRS→FSI fares Phone-only fares on this route — call free
Flight time details
1,369 miles nonstop takes roughly 3h 27m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- YRS — Red Sucker Lake Airport · Red Sucker Lake, 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 YRS
- YGO · Gods Lake Narrows Airport46 mi away
- YIV · Island Lake Airport49 mi away
- ZGI · Gods River Airport51 mi away
- YST · St. Theresa Point Airport57 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 YRS from FSI?
The flight distance from Red Sucker Lake (YRS) to Fort Sill (FSI) is 1,369 miles (2,203 km, 1,189 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YRS to FSI?
A nonstop flight takes about 3h 27m 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 cheapest way to fly from YRS to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YRS–FSI that never appear on search engines, with no booking fees.