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ATY to STK: distance & flight time
Watertown (Watertown Regional Airport) → Sterling (Sterling Municipal Airport)
429 mi
690 km · 373 nm
1h 24m
estimated nonstop flight time
-1h
time difference · heading southwest
See live ATY→STK fares Phone-only fares on this route — call free
Flight time details
429 miles nonstop takes roughly 1h 24m gate to gate, flying southwest. 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
- STK — Sterling Municipal Airport · Sterling, 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 STK
- AKO · Colorado Plains Regional Airport30 mi away
- SNY · Sidney Municipal-Lloyd W Carr Field37 mi away
- DEN · Denver International Airport91 mi away
- GXY · Greeley–Weld County Airport73 mi away
Frequently asked questions
How far is ATY from STK?
The flight distance from Watertown (ATY) to Sterling (STK) is 429 miles (690 km, 373 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ATY to STK?
A nonstop flight takes about 1h 24m 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 STK?
Nonstop service on ATY–STK 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 24m nonstop estimate.
What is the time difference between Watertown and Sterling?
Sterling is 1 hour behind Watertown.
What is the cheapest way to fly from ATY to STK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ATY–STK that never appear on search engines, with no booking fees.
Why are some ATY to STK fares phone-only?
Consolidator contracts let us sell certain ATY–STK 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.