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SUS to ATY: distance & flight time
Null (Spirit of St Louis Airport) → Watertown (Watertown Regional Airport)
546 mi
879 km · 475 nm
1h 39m
estimated nonstop flight time
Same time
time difference · heading northwest
See live SUS→ATY fares Phone-only fares on this route — call free
Flight time details
546 miles nonstop takes roughly 1h 39m gate to gate, flying northwest. 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
- SUS — Spirit of St Louis Airport · Null, United States
- ATY — Watertown Regional Airport · Watertown, 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 SUS
- STL · St Louis Lambert International Airport16 mi away
- ALN · St Louis Regional Airport36 mi away
- BLV · Scott AFB/Midamerica Airport45 mi away
- JEF · Jefferson City Memorial Airport81 mi away
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
Frequently asked questions
How far is SUS from ATY?
The flight distance from Null (SUS) to Watertown (ATY) is 546 miles (879 km, 475 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SUS to ATY?
A nonstop flight takes about 1h 39m 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 SUS to ATY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SUS–ATY that never appear on search engines, with no booking fees.