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CLS to FSI: distance & flight time
Chehalis (Chehalis Centralia Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
1,523 mi
2,451 km · 1,324 nm
3h 27m
estimated nonstop flight time
+2h
time difference · heading southeast
See live CLS→FSI fares Phone-only fares on this route — call free
Flight time details
1,523 miles nonstop takes roughly 3h 27m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- CLS — Chehalis Centralia Airport · Chehalis, 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 CLS
- OLM · Olympia Regional Airport21 mi away
- SEA · Seattle Tacoma International Airport62 mi away
- GRF · Gray Army Air Field34 mi away
- KLS · Southwest Washington Regional Airport39 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 CLS from FSI?
The flight distance from Chehalis (CLS) to Fort Sill (FSI) is 1,523 miles (2,451 km, 1,324 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CLS to FSI?
A nonstop flight takes about 3h 27m 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 Chehalis and Fort Sill?
Fort Sill is 2 hours ahead of Chehalis.
What is the cheapest way to fly from CLS to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CLS–FSI that never appear on search engines, with no booking fees.