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ONT to DU9: distance & flight time
Ontario (Ontario International Airport) → Dunnville (Dunnville Airport)
2,124 mi
3,419 km · 1,846 nm
4h 38m
estimated nonstop flight time
—
time difference · heading northeast
See live ONT→DU9 fares Phone-only fares on this route — call free
Flight time details
2,124 miles nonstop takes roughly 4h 38m gate to gate, flying northeast. 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
- ONT — Ontario International Airport · Ontario, United States
- DU9 — Dunnville Airport · Dunnville, Canada
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 ONT
- CCB · Cable Airport6 mi away
- CNO · Chino Airport6 mi away
- LAX · Los Angeles International Airport47 mi away
- RAL · Riverside Municipal Airport11 mi away
Near DU9
Frequently asked questions
How far is ONT from DU9?
The flight distance from Ontario (ONT) to Dunnville (DU9) is 2,124 miles (3,419 km, 1,846 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to DU9?
A nonstop flight takes about 4h 38m 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 ONT to DU9?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–DU9 that never appear on search engines, with no booking fees.