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DEN to ATY: distance & flight time
Denver (Denver International Airport) → Watertown (Watertown Regional Airport)
518 mi
834 km · 450 nm
1h 36m
estimated nonstop flight time
+1h
time difference · heading northeast
See live DEN→ATY fares Phone-only fares on this route — call free
Flight time details
518 miles nonstop takes roughly 1h 36m 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
- DEN — Denver International Airport · Denver, 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 DEN
- BFK · Buckley Air Force Base12 mi away
- APA · Centennial Airport22 mi away
- BJC · Rocky Mountain Metropolitan Airport24 mi away
- WBU · Boulder Municipal Airport32 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 DEN from ATY?
The flight distance from Denver (DEN) to Watertown (ATY) is 518 miles (834 km, 450 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DEN to ATY?
A nonstop flight takes about 1h 36m 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 DEN to ATY?
Nonstop service on DEN–ATY 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 36m nonstop estimate.
What is the time difference between Denver and Watertown?
Watertown is 1 hour ahead of Denver.
What is the cheapest way to fly from DEN to ATY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DEN–ATY that never appear on search engines, with no booking fees.
Why are some DEN to ATY fares phone-only?
Consolidator contracts let us sell certain DEN–ATY 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.