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NHT to CEI: distance & flight time
Northolt (RAF Northolt) → Chiang Rai (Chiang Rai International Airport)
5,571 mi
8,966 km · 4,841 nm
11h 23m
estimated nonstop flight time
+6h
time difference · heading east
See live NHT→CEI fares Phone-only fares on this route — call free
Flight time details
5,571 miles nonstop takes roughly 11h 23m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- NHT — RAF Northolt · Northolt, United Kingdom
- 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 NHT
- LHR · London Heathrow Airport6 mi away
- LGW · London Gatwick Airport30 mi away
- HYC · Wycombe Air Park17 mi away
- LCY · London City Airport21 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 NHT from CEI?
The flight distance from Northolt (NHT) to Chiang Rai (CEI) is 5,571 miles (8,966 km, 4,841 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NHT to CEI?
A nonstop flight takes about 11h 23m 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 Northolt and Chiang Rai?
Chiang Rai is 6 hours ahead of Northolt.
What is the cheapest way to fly from NHT to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NHT–CEI that never appear on search engines, with no booking fees.