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HPH to CNX: distance & flight time
Haiphong (Cat Bi International Airport) → Chiang Mai (Chiang Mai International Airport)
524 mi
843 km · 455 nm
1h 36m
estimated nonstop flight time
Same time
time difference · heading west
See live HPH→CNX fares Phone-only fares on this route — call free
Flight time details
524 miles nonstop takes roughly 1h 36m 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
- CNX — Chiang Mai International Airport · Chiang Mai, 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 CNX
- LPT · Lampang Airport49 mi away
- PYY · Mae Hong Son Airport54 mi away
- HGN · Mae Hong Son Airport74 mi away
- PRH · Phrae Airport90 mi away
Frequently asked questions
How far is HPH from CNX?
The flight distance from Haiphong (HPH) to Chiang Mai (CNX) is 524 miles (843 km, 455 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HPH to CNX?
A nonstop flight takes about 1h 36m 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 CNX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HPH–CNX that never appear on search engines, with no booking fees.