Need help booking?
Unpublished phone-only deals available
ASE to SDY: distance & flight time
Aspen (Aspen-Pitkin Co/Sardy Field) → Sidney (Sidney - Richland Regional Airport)
601 mi
968 km · 522 nm
1h 46m
estimated nonstop flight time
Same time
time difference · heading north
See live ASE→SDY fares Phone-only fares on this route — call free
Flight time details
601 miles nonstop takes roughly 1h 46m 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
- ASE — Aspen-Pitkin Co/Sardy Field · Aspen, 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 ASE
- EGE · Eagle County Regional Airport29 mi away
- GUC · Gunnison Crested Butte Regional Airport48 mi away
- RIL · Garfield County Regional Airport50 mi away
- MTJ · Montrose Regional Airport74 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 ASE from SDY?
The flight distance from Aspen (ASE) to Sidney (SDY) is 601 miles (968 km, 522 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASE to SDY?
A nonstop flight takes about 1h 46m 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 ASE to SDY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASE–SDY that never appear on search engines, with no booking fees.