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ILG to ONO: distance & flight time
Wilmington (New Castle Airport) → Ontario (Ontario Municipal Airport)
2,129 mi
3,427 km · 1,850 nm
4h 39m
estimated nonstop flight time
-2h
time difference · heading west
See live ILG→ONO fares Phone-only fares on this route — call free
Flight time details
2,129 miles nonstop takes roughly 4h 39m 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
- ILG — New Castle Airport · Wilmington, United States
- ONO — Ontario Municipal 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 ILG
Near ONO
- BOI · Boise Air Terminal/Gowen Field50 mi away
- BKE · Baker City Municipal Airport69 mi away
- MYL · McCall Municipal Airport75 mi away
- MUO · Mountain Home Air Force Base88 mi away
Frequently asked questions
How far is ILG from ONO?
The flight distance from Wilmington (ILG) to Ontario (ONO) is 2,129 miles (3,427 km, 1,850 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ILG to ONO?
A nonstop flight takes about 4h 39m 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 Wilmington and Ontario?
Ontario is 2 hours behind Wilmington.
What is the cheapest way to fly from ILG to ONO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ILG–ONO that never appear on search engines, with no booking fees.