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REP to HPH: distance & flight time
Siem-reap (Siem Reap International Airport) → Haiphong (Cat Bi International Airport)
547 mi
880 km · 475 nm
1h 39m
estimated nonstop flight time
Same time
time difference · heading north
See live REP→HPH fares Phone-only fares on this route — call free
Flight time details
547 miles nonstop takes roughly 1h 39m gate to gate, flying north. 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
- REP — Siem Reap International Airport · Siem-reap, Cambodia
- 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 REP
- BBM · Battambang Airport45 mi away
- KZC · Kampong Chhnang Airport95 mi away
- PXR · Surin Airport103 mi away
- TDX · Trat Airport128 mi away
Near HPH
- HAN · Noi Bai International Airport65 mi away
Frequently asked questions
How far is REP from HPH?
The flight distance from Siem-reap (REP) to Haiphong (HPH) is 547 miles (880 km, 475 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from REP to HPH?
A nonstop flight takes about 1h 39m 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 REP to HPH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on REP–HPH that never appear on search engines, with no booking fees.