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DTU to ISN: distance & flight time
Wudalianchi (Wudalianchi Dedu Airport) → Williston (Sloulin Field International Airport)
5,128 mi
8,252 km · 4,456 nm
10h 31m
estimated nonstop flight time
—
time difference · heading northeast
See live DTU→ISN fares Phone-only fares on this route — call free
Flight time details
5,128 miles nonstop takes roughly 10h 31m gate to gate, flying northeast. 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
- DTU — Wudalianchi Dedu Airport · Wudalianchi, China
- ISN — Sloulin Field International Airport · Williston, 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 DTU
- DQA · Saertu Airport126 mi away
- HEK · Heihe Airport131 mi away
- NDG · Qiqihar Sanjiazi Airport132 mi away
- LDS · Lindu Airport142 mi away
Near ISN
- SDY · Sidney - Richland Regional Airport41 mi away
- YEN · Estevan Airport78 mi away
- OLF · L M Clayton Airport89 mi away
- GDV · Dawson Community Airport90 mi away
Frequently asked questions
How far is DTU from ISN?
The flight distance from Wudalianchi (DTU) to Williston (ISN) is 5,128 miles (8,252 km, 4,456 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DTU to ISN?
A nonstop flight takes about 10h 31m 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 DTU to ISN?
Nonstop service on DTU–ISN 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 10h 31m nonstop estimate.
What is the cheapest way to fly from DTU to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DTU–ISN that never appear on search engines, with no booking fees.
Why are some DTU to ISN fares phone-only?
Consolidator contracts let us sell certain DTU–ISN 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.