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FSI to MSS: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Massena (Massena International Richards Field)
1,431 mi
2,303 km · 1,243 nm
3h 35m
estimated nonstop flight time
+1h
time difference · heading northeast
See live FSI→MSS fares Phone-only fares on this route — call free
Flight time details
1,431 miles nonstop takes roughly 3h 35m gate to gate, flying northeast. 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
- MSS — Massena International Richards Field · Massena, 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 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 MSS
- YCC · Cornwall Regional Airport18 mi away
- OGS · Ogdensburg International Airport35 mi away
- YOW · Ottawa Macdonald-Cartier International Airport48 mi away
- SLK · Adirondack Regional Airport49 mi away
Frequently asked questions
How far is FSI from MSS?
The flight distance from Fort Sill (FSI) to Massena (MSS) is 1,431 miles (2,303 km, 1,243 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to MSS?
A nonstop flight takes about 3h 35m 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 time difference between Fort Sill and Massena?
Massena is 1 hour ahead of Fort Sill.
What is the cheapest way to fly from FSI to MSS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–MSS that never appear on search engines, with no booking fees.