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ONQ to CEI: distance & flight time
Zonguldak (Zonguldak Airport) → Chiang Rai (Chiang Rai International Airport)
4,181 mi
6,729 km · 3,633 nm
8h 40m
estimated nonstop flight time
+4h
time difference · heading east
See live ONQ→CEI fares Phone-only fares on this route — call free
Flight time details
4,181 miles nonstop takes roughly 8h 40m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4-hour time gain when reading arrival times on your ticket.
The two airports
- ONQ — Zonguldak Airport · Zonguldak, Turkey
- 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 ONQ
- KFS · Kastamonu Airport89 mi away
- ESB · Esenboğa International Airport106 mi away
- ANK · Etimesgut Air Base112 mi away
- KCO · Cengiz Topel Airport117 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 ONQ from CEI?
The flight distance from Zonguldak (ONQ) to Chiang Rai (CEI) is 4,181 miles (6,729 km, 3,633 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONQ to CEI?
A nonstop flight takes about 8h 40m 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 Zonguldak and Chiang Rai?
Chiang Rai is 4 hours ahead of Zonguldak.
What is the cheapest way to fly from ONQ to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONQ–CEI that never appear on search engines, with no booking fees.