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TVF to FSI: distance & flight time
Thief River Falls (Thief River Falls Regional Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
934 mi
1,503 km · 812 nm
2h 30m
estimated nonstop flight time
Same time
time difference · heading south
See live TVF→FSI fares Phone-only fares on this route — call free
Flight time details
934 miles nonstop takes roughly 2h 30m 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
- TVF — Thief River Falls Regional Airport · Thief River Falls, United States
- 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 TVF
- GFK · Grand Forks International Airport47 mi away
- RDR · Grand Forks Air Force Base57 mi away
- BJI · Bemidji Regional Airport70 mi away
- PMB · Pembina Municipal Airport77 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 TVF from FSI?
The flight distance from Thief River Falls (TVF) to Fort Sill (FSI) is 934 miles (1,503 km, 812 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TVF to FSI?
A nonstop flight takes about 2h 30m 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 TVF to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TVF–FSI that never appear on search engines, with no booking fees.