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DTM to CEI: distance & flight time
Dortmund (Dortmund Airport) → Chiang Rai (Chiang Rai International Airport)
5,243 mi
8,438 km · 4,556 nm
10h 45m
estimated nonstop flight time
+5h
time difference · heading east
See live DTM→CEI fares Phone-only fares on this route — call free
Flight time details
5,243 miles nonstop takes roughly 10h 45m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- DTM — Dortmund Airport · Dortmund, Germany
- CEI — Chiang Rai International Airport · Chiang Rai, Thailand
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 DTM
- ESS · Essen Mulheim Airport30 mi away
- DUS · Düsseldorf Airport40 mi away
- GUT · Gütersloh Air Base41 mi away
- FMO · Münster Osnabrück Airport43 mi away
Near CEI
- THL · Tachileik Airport37 mi away
- HOE · Ban Huoeisay Airport42 mi away
- MOG · Mong Hsat Airport56 mi away
- KET · Kengtung Airport95 mi away
Frequently asked questions
How far is DTM from CEI?
The flight distance from Dortmund (DTM) to Chiang Rai (CEI) is 5,243 miles (8,438 km, 4,556 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DTM to CEI?
A nonstop flight takes about 10h 45m 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 DTM to CEI?
Nonstop service on DTM–CEI 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 45m nonstop estimate.
What is the time difference between Dortmund and Chiang Rai?
Chiang Rai is 5 hours ahead of Dortmund.
What is the cheapest way to fly from DTM to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DTM–CEI that never appear on search engines, with no booking fees.
Why are some DTM to CEI fares phone-only?
Consolidator contracts let us sell certain DTM–CEI 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.