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DED to ONT: distance & flight time
Dehra Dun (Dehradun Airport) → Ontario (Ontario International Airport)
7,880 mi
12,682 km · 6,848 nm
15h 55m
estimated nonstop flight time
-12.5h
time difference · heading north
See live DED→ONT fares Phone-only fares on this route — call free
Flight time details
7,880 miles nonstop takes roughly 15h 55m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12.5-hour time set-back when reading arrival times on your ticket.
The two airports
- DED — Dehradun Airport · Dehra Dun, India
- 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 DED
- IXC · Chandigarh Airport89 mi away
- SLV · Shimla Airport90 mi away
- PGH · Pantnagar Airport111 mi away
- DEL · Indira Gandhi International Airport130 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 DED from ONT?
The flight distance from Dehra Dun (DED) to Ontario (ONT) is 7,880 miles (12,682 km, 6,848 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DED to ONT?
A nonstop flight takes about 15h 55m 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 Dehra Dun and Ontario?
Ontario is 12.5 hours behind Dehra Dun.
What is the cheapest way to fly from DED to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DED–ONT that never appear on search engines, with no booking fees.