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ATY to SDY: distance & flight time
Watertown (Watertown Regional Airport) → Sidney (Sidney - Richland Regional Airport)
387 mi
623 km · 336 nm
1h 29m
estimated nonstop flight time
-1h
time difference · heading northwest
See live ATY→SDY fares Phone-only fares on this route — call free
Flight time details
387 miles nonstop takes roughly 1h 29m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- ATY — Watertown Regional Airport · Watertown, 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 ATY
- HON · Huron Regional Airport64 mi away
- ABR · Aberdeen Regional Airport72 mi away
- MHE · Mitchell Municipal Airport90 mi away
- FSD · Joe Foss Field Airport94 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 ATY from SDY?
The flight distance from Watertown (ATY) to Sidney (SDY) is 387 miles (623 km, 336 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ATY to SDY?
A nonstop flight takes about 1h 29m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from ATY to SDY?
Nonstop service on ATY–SDY depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 29m nonstop estimate.
What is the time difference between Watertown and Sidney?
Sidney is 1 hour behind Watertown.
What is the cheapest way to fly from ATY to SDY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ATY–SDY that never appear on search engines, with no booking fees.
Why are some ATY to SDY fares phone-only?
Consolidator contracts let us sell certain ATY–SDY tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.