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GCC to ONT: distance & flight time
Gillette (Gillette Campbell County Airport) → Ontario (Ontario International Airport)
959 mi
1,543 km · 833 nm
2h 33m
estimated nonstop flight time
-1h
time difference · heading southwest
See live GCC→ONT fares Phone-only fares on this route — call free
Flight time details
959 miles nonstop takes roughly 2h 33m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- GCC — Gillette Campbell County Airport · Gillette, United States
- ONT — Ontario International Airport · Ontario, 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 GCC
- SHR · Sheridan County Airport77 mi away
- SPF · Black Hills Airport-Clyde Ice Field87 mi away
- CPR · Casper-Natrona County International Airport110 mi away
- RCA · Ellsworth Air Force Base121 mi away
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
Frequently asked questions
How far is GCC from ONT?
The flight distance from Gillette (GCC) to Ontario (ONT) is 959 miles (1,543 km, 833 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GCC to ONT?
A nonstop flight takes about 2h 33m 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 GCC to ONT?
Nonstop service on GCC–ONT 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 2h 33m nonstop estimate.
What is the time difference between Gillette and Ontario?
Ontario is 1 hour behind Gillette.
What is the cheapest way to fly from GCC to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GCC–ONT that never appear on search engines, with no booking fees.
Why are some GCC to ONT fares phone-only?
Consolidator contracts let us sell certain GCC–ONT 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.