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YOW to FSI: distance & flight time
Ottawa (Ottawa Macdonald-Cartier International Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
1,404 mi
2,259 km · 1,220 nm
3h 31m
estimated nonstop flight time
-1h
time difference · heading southwest
See live YOW→FSI fares Phone-only fares on this route — call free
Flight time details
1,404 miles nonstop takes roughly 3h 31m 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
- YOW — Ottawa Macdonald-Cartier International Airport · Ottawa, 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 YOW
- YRO · Ottawa / Rockcliffe Airport10 mi away
- YND · Ottawa / Gatineau Airport15 mi away
- YSH · Smiths Falls-Montague (Russ Beach) Airport29 mi away
- OGS · Ogdensburg International Airport45 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 YOW from FSI?
The flight distance from Ottawa (YOW) to Fort Sill (FSI) is 1,404 miles (2,259 km, 1,220 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YOW to FSI?
A nonstop flight takes about 3h 31m 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 YOW to FSI?
Nonstop service on YOW–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 31m nonstop estimate.
What is the time difference between Ottawa and Fort Sill?
Fort Sill is 1 hour behind Ottawa.
What is the cheapest way to fly from YOW to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YOW–FSI that never appear on search engines, with no booking fees.
Why are some YOW to FSI fares phone-only?
Consolidator contracts let us sell certain YOW–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.