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DHR to ONT: distance & flight time
De Kooy (De Kooy Airport) → Ontario (Ontario International Airport)
5,505 mi
8,859 km · 4,784 nm
11h 16m
estimated nonstop flight time
-9h
time difference · heading northwest
See live DHR→ONT fares Phone-only fares on this route — call free
Flight time details
5,505 miles nonstop takes roughly 11h 16m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time set-back when reading arrival times on your ticket.
The two airports
- DHR — De Kooy Airport · De Kooy, Netherlands
- 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 DHR
- AMS · Amsterdam Airport Schiphol42 mi away
- LEY · Lelystad Airport45 mi away
- LWR · Leeuwarden Air Base46 mi away
- LID · Valkenburg Naval Air Base54 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 DHR from ONT?
The flight distance from De Kooy (DHR) to Ontario (ONT) is 5,505 miles (8,859 km, 4,784 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DHR to ONT?
A nonstop flight takes about 11h 16m 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 De Kooy and Ontario?
Ontario is 9 hours behind De Kooy.
What is the cheapest way to fly from DHR to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DHR–ONT that never appear on search engines, with no booking fees.