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GEG to SDY: distance & flight time
Spokane (Spokane International Airport) → Sidney (Sidney - Richland Regional Airport)
620 mi
998 km · 539 nm
1h 49m
estimated nonstop flight time
+1h
time difference · heading east
See live GEG→SDY fares Phone-only fares on this route — call free
Flight time details
620 miles nonstop takes roughly 1h 49m 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
- GEG — Spokane International Airport · Spokane, 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 GEG
- SKA · Fairchild Air Force Base6 mi away
- SFF · Felts Field11 mi away
- COE · Coeur D'Alene - Pappy Boyington Field35 mi away
- PUW · Pullman Moscow Regional Airport64 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 GEG from SDY?
The flight distance from Spokane (GEG) to Sidney (SDY) is 620 miles (998 km, 539 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GEG to SDY?
A nonstop flight takes about 1h 49m 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 Spokane and Sidney?
Sidney is 1 hour ahead of Spokane.
What is the cheapest way to fly from GEG to SDY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GEG–SDY that never appear on search engines, with no booking fees.