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PDK to ONT: distance & flight time
Atlanta (DeKalb Peachtree Airport) → Ontario (Ontario International Airport)
1,900 mi
3,057 km · 1,651 nm
4h 11m
estimated nonstop flight time
-3h
time difference · heading west
See live PDK→ONT fares Phone-only fares on this route — call free
Flight time details
1,900 miles nonstop takes roughly 4h 11m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- PDK — DeKalb Peachtree Airport · Atlanta, 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 PDK
- ATL · Hartsfield Jackson Atlanta International Airport18 mi away
- MGE · Dobbins Air Reserve Base13 mi away
- FTY · Fulton County Airport Brown Field14 mi away
- LZU · Gwinnett County Briscoe Field21 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 PDK from ONT?
The flight distance from Atlanta (PDK) to Ontario (ONT) is 1,900 miles (3,057 km, 1,651 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PDK to ONT?
A nonstop flight takes about 4h 11m 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 Atlanta and Ontario?
Ontario is 3 hours behind Atlanta.
What is the cheapest way to fly from PDK to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PDK–ONT that never appear on search engines, with no booking fees.