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ASE to ONT: distance & flight time
Aspen (Aspen-Pitkin Co/Sardy Field) → Ontario (Ontario International Airport)
693 mi
1,116 km · 602 nm
1h 58m
estimated nonstop flight time
-1h
time difference · heading southwest
See live ASE→ONT fares Phone-only fares on this route — call free
Flight time details
693 miles nonstop takes roughly 1h 58m 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
- ASE — Aspen-Pitkin Co/Sardy Field · Aspen, 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 ASE
- EGE · Eagle County Regional Airport29 mi away
- GUC · Gunnison Crested Butte Regional Airport48 mi away
- RIL · Garfield County Regional Airport50 mi away
- MTJ · Montrose Regional Airport74 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 ASE from ONT?
The flight distance from Aspen (ASE) to Ontario (ONT) is 693 miles (1,116 km, 602 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASE to ONT?
A nonstop flight takes about 1h 58m 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 Aspen and Ontario?
Ontario is 1 hour behind Aspen.
What is the cheapest way to fly from ASE to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASE–ONT that never appear on search engines, with no booking fees.