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CND to CEI: distance & flight time
Constanta (Mihail Kogălniceanu International Airport) → Chiang Rai (Chiang Rai International Airport)
4,357 mi
7,012 km · 3,786 nm
9h 1m
estimated nonstop flight time
+4h
time difference · heading east
See live CND→CEI fares Phone-only fares on this route — call free
Flight time details
4,357 miles nonstop takes roughly 9h 1m 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
- CND — Mihail Kogălniceanu International Airport · Constanta, Romania
- 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 CND
- TCE · Tulcea Airport50 mi away
- VAR · Varna Airport85 mi away
- BBU · Băneasa International Airport118 mi away
- OTP · Henri Coandă International Airport119 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 CND from CEI?
The flight distance from Constanta (CND) to Chiang Rai (CEI) is 4,357 miles (7,012 km, 3,786 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CND to CEI?
A nonstop flight takes about 9h 1m 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 Constanta and Chiang Rai?
Chiang Rai is 4 hours ahead of Constanta.
What is the cheapest way to fly from CND to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CND–CEI that never appear on search engines, with no booking fees.