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YQS to FSI: distance & flight time
St Thomas (St Thomas Municipal Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
1,085 mi
1,746 km · 943 nm
2h 50m
estimated nonstop flight time
—
time difference · heading southwest
See live YQS→FSI fares Phone-only fares on this route — call free
Flight time details
1,085 miles nonstop takes roughly 2h 50m gate to gate, flying southwest. 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
- YQS — St Thomas Municipal Airport · St Thomas, 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 YQS
- YXU · London Airport18 mi away
- YCE · Centralia / James T. Field Memorial Aerodrome41 mi away
- YYZ · Lester B. Pearson International Airport97 mi away
- YKF · Waterloo Airport60 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 YQS from FSI?
The flight distance from St Thomas (YQS) to Fort Sill (FSI) is 1,085 miles (1,746 km, 943 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YQS to FSI?
A nonstop flight takes about 2h 50m 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 YQS to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YQS–FSI that never appear on search engines, with no booking fees.