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HPH to CEI: distance & flight time
Haiphong (Cat Bi International Airport) → Chiang Rai (Chiang Rai International Airport)
447 mi
720 km · 389 nm
1h 26m
estimated nonstop flight time
Same time
time difference · heading west
See live HPH→CEI fares Phone-only fares on this route — call free
Flight time details
447 miles nonstop takes roughly 1h 26m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- HPH — Cat Bi International Airport · Haiphong, Vietnam
- 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 HPH
- HAN · Noi Bai International Airport65 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 HPH from CEI?
The flight distance from Haiphong (HPH) to Chiang Rai (CEI) is 447 miles (720 km, 389 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HPH to CEI?
A nonstop flight takes about 1h 26m 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 cheapest way to fly from HPH to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HPH–CEI that never appear on search engines, with no booking fees.