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DEN to SDY: distance & flight time
Denver (Denver International Airport) → Sidney (Sidney - Richland Regional Airport)
543 mi
873 km · 471 nm
1h 39m
estimated nonstop flight time
Same time
time difference · heading north
See live DEN→SDY fares Phone-only fares on this route — call free
Flight time details
543 miles nonstop takes roughly 1h 39m gate to gate, flying north. 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
- DEN — Denver International Airport · Denver, 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 DEN
- BFK · Buckley Air Force Base12 mi away
- APA · Centennial Airport22 mi away
- BJC · Rocky Mountain Metropolitan Airport24 mi away
- WBU · Boulder Municipal Airport32 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 DEN from SDY?
The flight distance from Denver (DEN) to Sidney (SDY) is 543 miles (873 km, 471 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DEN to SDY?
A nonstop flight takes about 1h 39m 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 DEN to SDY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DEN–SDY that never appear on search engines, with no booking fees.