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SDY to ONO: distance & flight time
Sidney (Sidney - Richland Regional Airport) → Ontario (Ontario Municipal Airport)
666 mi
1,072 km · 579 nm
1h 55m
estimated nonstop flight time
Same time
time difference · heading west
See live SDY→ONO fares Phone-only fares on this route — call free
Flight time details
666 miles nonstop takes roughly 1h 55m gate to gate, flying west. 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
- SDY — Sidney - Richland Regional Airport · Sidney, 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 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 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 SDY from ONO?
The flight distance from Sidney (SDY) to Ontario (ONO) is 666 miles (1,072 km, 579 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SDY to ONO?
A nonstop flight takes about 1h 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 cheapest way to fly from SDY to ONO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDY–ONO that never appear on search engines, with no booking fees.