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SDY to ONT: distance & flight time
Sidney (Sidney - Richland Regional Airport) → Ontario (Ontario International Airport)
1,171 mi
1,885 km · 1,018 nm
3h 1m
estimated nonstop flight time
-1h
time difference · heading southwest
See live SDY→ONT fares Phone-only fares on this route — call free
Flight time details
1,171 miles nonstop takes roughly 3h 1m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- SDY — Sidney - Richland Regional Airport · Sidney, United States
- 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 SDY
- ISN · Sloulin Field International Airport41 mi away
- GDV · Dawson Community Airport49 mi away
- OLF · L M Clayton Airport69 mi away
- DIK · Dickinson Theodore Roosevelt Regional Airport91 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 SDY from ONT?
The flight distance from Sidney (SDY) to Ontario (ONT) is 1,171 miles (1,885 km, 1,018 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SDY to ONT?
A nonstop flight takes about 3h 1m 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 Sidney and Ontario?
Ontario is 1 hour behind Sidney.
What is the cheapest way to fly from SDY to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDY–ONT that never appear on search engines, with no booking fees.