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HLN to HPH: distance & flight time
Helena (Helena Regional Airport) → Haiphong (Cat Bi International Airport)
7,189 mi
11,570 km · 6,247 nm
14h 34m
estimated nonstop flight time
+13h
time difference · heading northwest
See live HLN→HPH fares Phone-only fares on this route — call free
Flight time details
7,189 miles nonstop takes roughly 14h 34m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- HLN — Helena Regional Airport · Helena, United States
- 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 HLN
- BTM · Bert Mooney Airport51 mi away
- GTF · Great Falls International Airport67 mi away
- BZN · Gallatin Field70 mi away
- LVM · Mission Field97 mi away
Near HPH
- HAN · Noi Bai International Airport65 mi away
Frequently asked questions
How far is HLN from HPH?
The flight distance from Helena (HLN) to Haiphong (HPH) is 7,189 miles (11,570 km, 6,247 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLN to HPH?
A nonstop flight takes about 14h 34m 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 Helena and Haiphong?
Haiphong is 13 hours ahead of Helena.
What is the cheapest way to fly from HLN to HPH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLN–HPH that never appear on search engines, with no booking fees.