Need help booking?
Unpublished phone-only deals available
ONO to APA: distance & flight time
Ontario (Ontario Municipal Airport) → Denver (Centennial Airport)
697 mi
1,122 km · 606 nm
1h 59m
estimated nonstop flight time
Same time
time difference · heading east
See live ONO→APA fares Phone-only fares on this route — call free
Flight time details
697 miles nonstop takes roughly 1h 59m gate to gate, flying east. 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
- ONO — Ontario Municipal Airport · Ontario, United States
- APA — Centennial Airport · Denver, 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 ONO
- BOI · Boise Air Terminal/Gowen Field50 mi away
- BKE · Baker City Municipal Airport69 mi away
- MYL · McCall Municipal Airport75 mi away
- MUO · Mountain Home Air Force Base88 mi away
Near APA
- DEN · Denver International Airport22 mi away
- BFK · Buckley Air Force Base10 mi away
- BJC · Rocky Mountain Metropolitan Airport27 mi away
- WBU · Boulder Municipal Airport38 mi away
Frequently asked questions
How far is ONO from APA?
The flight distance from Ontario (ONO) to Denver (APA) is 697 miles (1,122 km, 606 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONO to APA?
A nonstop flight takes about 1h 59m 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 ONO to APA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONO–APA that never appear on search engines, with no booking fees.