Need help booking?
Unpublished phone-only deals available
OST to HPH: distance & flight time
Ostend (Ostend-Bruges International Airport) → Haiphong (Cat Bi International Airport)
5,676 mi
9,134 km · 4,932 nm
11h 36m
estimated nonstop flight time
+5h
time difference · heading northeast
See live OST→HPH fares Phone-only fares on this route — call free
Flight time details
5,676 miles nonstop takes roughly 11h 36m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- OST — Ostend-Bruges International Airport · Ostend, Belgium
- 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 OST
- KJK · Wevelgem Airport30 mi away
- HZB · Merville-Calonne Airport41 mi away
- CQF · Calais-Dunkerque Airport43 mi away
- LIL · Lille-Lesquin Airport45 mi away
Near HPH
- HAN · Noi Bai International Airport65 mi away
Frequently asked questions
How far is OST from HPH?
The flight distance from Ostend (OST) to Haiphong (HPH) is 5,676 miles (9,134 km, 4,932 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OST to HPH?
A nonstop flight takes about 11h 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 time difference between Ostend and Haiphong?
Haiphong is 5 hours ahead of Ostend.
What is the cheapest way to fly from OST to HPH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OST–HPH that never appear on search engines, with no booking fees.