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FNL to SDY: distance & flight time
Fort Collins (Northern Colorado Regional Airport) → Sidney (Sidney - Richland Regional Airport)
503 mi
809 km · 437 nm
1h 34m
estimated nonstop flight time
Same time
time difference · heading north
See live FNL→SDY fares Phone-only fares on this route — call free
Flight time details
503 miles nonstop takes roughly 1h 34m 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
- FNL — Northern Colorado Regional Airport · Fort Collins, 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 FNL
- DEN · Denver International Airport45 mi away
- GXY · Greeley–Weld County Airport20 mi away
- WBU · Boulder Municipal Airport31 mi away
- BJC · Rocky Mountain Metropolitan Airport38 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 FNL from SDY?
The flight distance from Fort Collins (FNL) to Sidney (SDY) is 503 miles (809 km, 437 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FNL to SDY?
A nonstop flight takes about 1h 34m 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 FNL to SDY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FNL–SDY that never appear on search engines, with no booking fees.