Need help booking?
Unpublished phone-only deals available
ONT to CLS: distance & flight time
Ontario (Ontario International Airport) → Chehalis (Chehalis Centralia Airport)
916 mi
1,475 km · 796 nm
2h 28m
estimated nonstop flight time
Same time
time difference · heading north
See live ONT→CLS fares Phone-only fares on this route — call free
Flight time details
916 miles nonstop takes roughly 2h 28m 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
- ONT — Ontario International Airport · Ontario, 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 ONT
- CCB · Cable Airport6 mi away
- CNO · Chino Airport6 mi away
- LAX · Los Angeles International Airport47 mi away
- RAL · Riverside Municipal Airport11 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 ONT from CLS?
The flight distance from Ontario (ONT) to Chehalis (CLS) is 916 miles (1,475 km, 796 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to CLS?
A nonstop flight takes about 2h 28m 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 ONT to CLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–CLS that never appear on search engines, with no booking fees.