Need help booking?
Unpublished phone-only deals available
NHT to HPH: distance & flight time
Northolt (RAF Northolt) → Haiphong (Cat Bi International Airport)
5,794 mi
9,324 km · 5,035 nm
11h 50m
estimated nonstop flight time
+6h
time difference · heading northeast
See live NHT→HPH fares Phone-only fares on this route — call free
Flight time details
5,794 miles nonstop takes roughly 11h 50m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- NHT — RAF Northolt · Northolt, United Kingdom
- 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 NHT
- LHR · London Heathrow Airport6 mi away
- LGW · London Gatwick Airport30 mi away
- HYC · Wycombe Air Park17 mi away
- LCY · London City Airport21 mi away
Near HPH
- HAN · Noi Bai International Airport65 mi away
Frequently asked questions
How far is NHT from HPH?
The flight distance from Northolt (NHT) to Haiphong (HPH) is 5,794 miles (9,324 km, 5,035 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NHT to HPH?
A nonstop flight takes about 11h 50m 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 Northolt and Haiphong?
Haiphong is 6 hours ahead of Northolt.
What is the cheapest way to fly from NHT to HPH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NHT–HPH that never appear on search engines, with no booking fees.