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KLU to CEI: distance & flight time
Klagenfurt (Klagenfurt Airport) → Chiang Rai (Chiang Rai International Airport)
5,020 mi
8,078 km · 4,362 nm
10h 19m
estimated nonstop flight time
+5h
time difference · heading east
See live KLU→CEI fares Phone-only fares on this route — call free
Flight time details
5,020 miles nonstop takes roughly 10h 19m 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
- KLU — Klagenfurt Airport · Klagenfurt, Austria
- 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 KLU
- LJU · Ljubljana Jože Pučnik Airport29 mi away
- GRZ · Graz Airport57 mi away
- MBX · Maribor Airport65 mi away
- TRS · Trieste–Friuli Venezia Giulia Airport70 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 KLU from CEI?
The flight distance from Klagenfurt (KLU) to Chiang Rai (CEI) is 5,020 miles (8,078 km, 4,362 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KLU to CEI?
A nonstop flight takes about 10h 19m 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 KLU to CEI?
Nonstop service on KLU–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 19m nonstop estimate.
What is the time difference between Klagenfurt and Chiang Rai?
Chiang Rai is 5 hours ahead of Klagenfurt.
What is the cheapest way to fly from KLU to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLU–CEI that never appear on search engines, with no booking fees.
Why are some KLU to CEI fares phone-only?
Consolidator contracts let us sell certain KLU–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.