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HLN to DTM: distance & flight time
Helena (Helena Regional Airport) → Dortmund (Dortmund Airport)
4,770 mi
7,677 km · 4,145 nm
9h 49m
estimated nonstop flight time
+8h
time difference · heading northeast
See live HLN→DTM fares Phone-only fares on this route — call free
Flight time details
4,770 miles nonstop takes roughly 9h 49m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- HLN — Helena Regional Airport · Helena, United States
- DTM — Dortmund Airport · Dortmund, Germany
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 HLN
- BTM · Bert Mooney Airport51 mi away
- GTF · Great Falls International Airport67 mi away
- BZN · Gallatin Field70 mi away
- LVM · Mission Field97 mi away
Near DTM
- ESS · Essen Mulheim Airport30 mi away
- DUS · Düsseldorf Airport40 mi away
- GUT · Gütersloh Air Base41 mi away
- FMO · Münster Osnabrück Airport43 mi away
Frequently asked questions
How far is HLN from DTM?
The flight distance from Helena (HLN) to Dortmund (DTM) is 4,770 miles (7,677 km, 4,145 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLN to DTM?
A nonstop flight takes about 9h 49m 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 time difference between Helena and Dortmund?
Dortmund is 8 hours ahead of Helena.
What is the cheapest way to fly from HLN to DTM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLN–DTM that never appear on search engines, with no booking fees.