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ISN to CLS: distance & flight time
Williston (Sloulin Field International Airport) → Chehalis (Chehalis Centralia Airport)
908 mi
1,461 km · 789 nm
2h 26m
estimated nonstop flight time
-2h
time difference · heading west
See live ISN→CLS fares Phone-only fares on this route — call free
Flight time details
908 miles nonstop takes roughly 2h 26m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- ISN — Sloulin Field International Airport · Williston, United States
- CLS — Chehalis Centralia Airport · Chehalis, 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 ISN
- SDY · Sidney - Richland Regional Airport41 mi away
- YEN · Estevan Airport78 mi away
- OLF · L M Clayton Airport89 mi away
- GDV · Dawson Community Airport90 mi away
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
Frequently asked questions
How far is ISN from CLS?
The flight distance from Williston (ISN) to Chehalis (CLS) is 908 miles (1,461 km, 789 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to CLS?
A nonstop flight takes about 2h 26m 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 Williston and Chehalis?
Chehalis is 2 hours behind Williston.
What is the cheapest way to fly from ISN to CLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–CLS that never appear on search engines, with no booking fees.