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COE to SDY: distance & flight time
Coeur d'Alene (Coeur D'Alene - Pappy Boyington Field) → Sidney (Sidney - Richland Regional Airport)
586 mi
943 km · 509 nm
1h 44m
estimated nonstop flight time
+1h
time difference · heading east
See live COE→SDY fares Phone-only fares on this route — call free
Flight time details
586 miles nonstop takes roughly 1h 44m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- COE — Coeur D'Alene - Pappy Boyington Field · Coeur d'Alene, United States
- SDY — Sidney - Richland Regional Airport · Sidney, 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 COE
- SFF · Felts Field24 mi away
- GEG · Spokane International Airport35 mi away
- SKA · Fairchild Air Force Base40 mi away
- PUW · Pullman Moscow Regional Airport72 mi away
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
Frequently asked questions
How far is COE from SDY?
The flight distance from Coeur d'Alene (COE) to Sidney (SDY) is 586 miles (943 km, 509 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from COE to SDY?
A nonstop flight takes about 1h 44m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from COE to SDY?
Nonstop service on COE–SDY depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 44m nonstop estimate.
What is the time difference between Coeur d'Alene and Sidney?
Sidney is 1 hour ahead of Coeur d'Alene.
What is the cheapest way to fly from COE to SDY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on COE–SDY that never appear on search engines, with no booking fees.
Why are some COE to SDY fares phone-only?
Consolidator contracts let us sell certain COE–SDY tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.