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ATY to YST: distance & flight time
Watertown (Watertown Regional Airport) → St. Theresa Point (St. Theresa Point Airport)
626 mi
1,007 km · 544 nm
1h 50m
estimated nonstop flight time
Same time
time difference · heading north
See live ATY→YST fares Phone-only fares on this route — call free
Flight time details
626 miles nonstop takes roughly 1h 50m 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
- ATY — Watertown Regional Airport · Watertown, United States
- YST — St. Theresa Point Airport · St. Theresa Point, Canada
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 YST
- YIV · Island Lake Airport8 mi away
- YGO · Gods Lake Narrows Airport51 mi away
- YRS · Red Sucker Lake Airport57 mi away
- ZGI · Gods River Airport75 mi away
Frequently asked questions
How far is ATY from YST?
The flight distance from Watertown (ATY) to St. Theresa Point (YST) is 626 miles (1,007 km, 544 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ATY to YST?
A nonstop flight takes about 1h 50m 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 ATY to YST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ATY–YST that never appear on search engines, with no booking fees.