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Data updated: 2026-10-28 13:07:12

Denver (DEN) to Watertown (ATY) Flights

Compare flights from Denver to Watertown, explore popular airlines, airports, and travel tips.
Get the latest collected flight schedules, prices, and route information all in one place.
DEN········· ·········ATY
Denver International AirportWatertown Regional Airport
Distance
519 miles
Flight time
1h 44m
Time difference
ATY is 1h ahead
Departure date
Return date

Flights from Denver to Watertown

All times are shown in local time. Prices are for one-way, per adult, including taxes and fees.

Transfers
Airlines
Airline allianceAirlines
Departure / arrival
Departure time (local time)Arrival time (local time)
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Collected nonstop flight records from DEN to ATY on 2026-11-03
14:10DENMST UTC−71h 50m
····· ✈ ·····
Nonstop
17:00ATYCST UTC−6$343.00One-way
Flight details

Flight route map

Denver (DEN) to Watertown (ATY) Non-stop flight routes illustrated on a map.

Flights from Denver (DEN), Colorado, to Watertown (ATY), South Dakota, are shown on the map. Based on recorded flight history, the distance is approximately 519 miles.

Departure
Denver International Airport · Colorado, United States · 39° 51' 36" N 104° 40' 26" W
Flight route
519 miles · 1h 44m
Direction
45.21° (NE)
Geographic midpoint
The geographic midpoint is at latitude 42.44838, longitude -101.06590, approximately 259.21 miles from both airports.
Great-circle distance
518.4 miles
Driving route
586 miles · 11 hr 48 min
Time difference
ATY is 1h ahead
Destination
Watertown Regional Airport · South Dakota, United States · 44° 54' 50" N 97° 09' 17" W
Distance and time are approximate; flight schedules and local times may change.

Route information

Distance
519 miles
Average flight time
1h 44m
Time difference
ATY is 1h ahead
Route direction
The initial bearing on the course from Denver to Watertown is 45.21°, and the compass direction is NE.

Airport information

Denver International Airport

Denver International Airport
Denver, Colorado, United States
39° 51' 36" N, 104° 40' 26" W
Elevation: 5,431 ft (1,655 m)
Time zone: MDT UTC−6
View airport details

What's the weather like in Denver and Watertown?

Temperature unit:

DEN · Denver

54°FSunnyFeels like 47°F
Humidity
46%
Wind
8 mph
Precipitation
0 mm

ATY · Watertown

54°FFogFeels like 52°F
Humidity
99%
Wind
7 mph
Precipitation
0 mm
Wed, Oct 2856°F | 44°FModerate drizzle
Thu, Oct 2953°F | 35°FFog
Fri, Oct 3057°F | 38°FOvercast
Sat, Oct 3159°F | 47°FModerate drizzle
Sun, Nov 163°F | 50°FOvercast

Popular airlines from Denver to Watertown

Popular airports near Denver

Popular airports near Watertown

Everything you need to know for your flight from Denver to Watertown

Which departure days are usually cheaper?

If you have flexibility with your travel dates, Tuesday and Wednesday departures are consistently your best bet for finding the lowest airfares. Across global flight routes, flying midweek can easily save you 10% to 20% compared to weekend departures, mainly because you avoid both Monday business trips and Friday weekend getaways. On the flip side, Fridays and Sundays tend to be the most expensive days of the week as leisure travelers head out and return. Another insider tip: opting for early morning flights (before 7:00 AM) or overnight red-eyes often unlocks additional savings while helping you breeze through airport security lines.

How far in advance do fares usually reach their lowest point?

There is no fixed booking window that guarantees the lowest fare for United States to United States (US-US). Once your plans are clearer, compare prices for your intended dates and nearby alternatives, using the same cabin, baggage and change conditions. Choose a fare that fits your budget and flexibility; waiting can result in either lower prices or fewer suitable options.

Should I book now or wait for a lower fare?

If you can change departure dates, the price calendar shows a reference fare of USD 118 on 2026-11-10, USD 225 below the selected date. Prices for different departure dates cannot predict whether the same flight will get cheaper later; check the latest price and availability before booking.

How much could changing the departure date by a few days save?

Among available departure dates within three days of the selected date, the same-currency reference nonstop fare of USD 343 on 2026-11-03 is tied for the lowest. Fares on different dates may not be for the same cabin or fare product; check the latest price and availability before booking.