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ONT to DCU: distance & flight time
Ontario (Ontario International Airport) → Decatur (Pryor Field Regional Airport)
1,742 mi
2,804 km · 1,514 nm
3h 53m
estimated nonstop flight time
—
time difference · heading east
See live ONT→DCU fares Phone-only fares on this route — call free
Flight time details
1,742 miles nonstop takes roughly 3h 53m gate to gate, flying east. 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
- DCU — Pryor Field Regional Airport · Decatur, 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 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 DCU
- HSV · Huntsville International Carl T Jones Field10 mi away
- HUA · Redstone Army Air Field15 mi away
- MSL · Northwest Alabama Regional Airport38 mi away
- GAD · Northeast Alabama Regional Airport68 mi away
Frequently asked questions
How far is ONT from DCU?
The flight distance from Ontario (ONT) to Decatur (DCU) is 1,742 miles (2,804 km, 1,514 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to DCU?
A nonstop flight takes about 3h 53m 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 DCU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–DCU that never appear on search engines, with no booking fees.