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STS to SDY: distance & flight time
Santa Rosa (Charles M. Schulz Sonoma County Airport) → Sidney (Sidney - Richland Regional Airport)
1,129 mi
1,818 km · 981 nm
2h 55m
estimated nonstop flight time
+1h
time difference · heading northeast
See live STS→SDY fares Phone-only fares on this route — call free
Flight time details
1,129 miles nonstop takes roughly 2h 55m gate to gate, flying northeast. 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
- STS — Charles M. Schulz Sonoma County Airport · Santa Rosa, 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 STS
- SFO · San Francisco International Airport66 mi away
- NOT · Marin County Airport - Gnoss Field29 mi away
- APC · Napa County Airport35 mi away
- UKI · Ukiah Municipal Airport47 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 STS from SDY?
The flight distance from Santa Rosa (STS) to Sidney (SDY) is 1,129 miles (1,818 km, 981 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STS to SDY?
A nonstop flight takes about 2h 55m 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 Santa Rosa and Sidney?
Sidney is 1 hour ahead of Santa Rosa.
What is the cheapest way to fly from STS to SDY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STS–SDY that never appear on search engines, with no booking fees.