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ADT to ONT: distance & flight time
Ada (Ada Regional Airport) → Ontario (Ontario International Airport)
1,192 mi
1,918 km · 1,036 nm
3h 3m
estimated nonstop flight time
-2h
time difference · heading west
See live ADT→ONT fares Phone-only fares on this route — call free
Flight time details
1,192 miles nonstop takes roughly 3h 3m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- ADT — Ada Regional Airport · Ada, 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 ADT
- ADM · Ardmore Municipal Airport40 mi away
- MLC · Mc Alester Regional Airport51 mi away
- TIK · Tinker Air Force Base58 mi away
- OKC · Will Rogers World Airport66 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 ADT from ONT?
The flight distance from Ada (ADT) to Ontario (ONT) is 1,192 miles (1,918 km, 1,036 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ADT to ONT?
A nonstop flight takes about 3h 3m 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 Ada and Ontario?
Ontario is 2 hours behind Ada.
What is the cheapest way to fly from ADT to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ADT–ONT that never appear on search engines, with no booking fees.