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FCS to ONT: distance & flight time
Fort Carson (Butts AAF (Fort Carson) Air Field) → Ontario (Ontario International Airport)
782 mi
1,258 km · 679 nm
2h 10m
estimated nonstop flight time
-1h
time difference · heading west
See live FCS→ONT fares Phone-only fares on this route — call free
Flight time details
782 miles nonstop takes roughly 2h 10m gate to gate, flying west. 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
- FCS — Butts AAF (Fort Carson) Air Field · Fort Carson, 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 FCS
- COS · City of Colorado Springs Municipal Airport9 mi away
- PUB · Pueblo Memorial Airport30 mi away
- DEN · Denver International Airport82 mi away
- APA · Centennial Airport62 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 FCS from ONT?
The flight distance from Fort Carson (FCS) to Ontario (ONT) is 782 miles (1,258 km, 679 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FCS to ONT?
A nonstop flight takes about 2h 10m 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 Fort Carson and Ontario?
Ontario is 1 hour behind Fort Carson.
What is the cheapest way to fly from FCS to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FCS–ONT that never appear on search engines, with no booking fees.