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USM to HPH: distance & flight time
Ko Samui (Samui Airport) → Haiphong (Cat Bi International Airport)
896 mi
1,442 km · 779 nm
2h 25m
estimated nonstop flight time
Same time
time difference · heading northeast
See live USM→HPH fares Phone-only fares on this route — call free
Flight time details
896 miles nonstop takes roughly 2h 25m gate to gate, flying northeast. 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
- USM — Samui Airport · Ko Samui, Thailand
- HPH — Cat Bi International Airport · Haiphong, Vietnam
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 USM
- URT · Surat Thani Airport69 mi away
- NST · Nakhon Si Thammarat Airport70 mi away
- CJM · Chumphon Airport93 mi away
- UNN · Ranong Airport102 mi away
Near HPH
- HAN · Noi Bai International Airport65 mi away
Frequently asked questions
How far is USM from HPH?
The flight distance from Ko Samui (USM) to Haiphong (HPH) is 896 miles (1,442 km, 779 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USM to HPH?
A nonstop flight takes about 2h 25m 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 USM to HPH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USM–HPH that never appear on search engines, with no booking fees.