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COT to FSI: distance & flight time
Cotulla (Cotulla-La Salle County Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
431 mi
693 km · 374 nm
1h 24m
estimated nonstop flight time
Same time
time difference · heading north
See live COT→FSI fares Phone-only fares on this route — call free
Flight time details
431 miles nonstop takes roughly 1h 24m gate to gate, flying north. 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
- COT — Cotulla-La Salle County Airport · Cotulla, 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 COT
- UVA · Garner Field61 mi away
- LRD · Laredo International Airport65 mi away
- NLD · Quetzalcóatl International Airport73 mi away
- SKF · Lackland Air Force Base75 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 COT from FSI?
The flight distance from Cotulla (COT) to Fort Sill (FSI) is 431 miles (693 km, 374 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from COT to FSI?
A nonstop flight takes about 1h 24m 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 COT to FSI?
Nonstop service on COT–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 1h 24m nonstop estimate.
What is the cheapest way to fly from COT to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on COT–FSI that never appear on search engines, with no booking fees.
Why are some COT to FSI fares phone-only?
Consolidator contracts let us sell certain COT–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.