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HPH to GMP: distance & flight time
Haiphong (Cat Bi International Airport) → Seoul (Gimpo International Airport)
1,667 mi
2,683 km · 1,449 nm
3h 44m
estimated nonstop flight time
+2h
time difference · heading northeast
See live HPH→GMP fares Phone-only fares on this route — call free
Flight time details
1,667 miles nonstop takes roughly 3h 44m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- HPH — Cat Bi International Airport · Haiphong, Vietnam
- GMP — Gimpo International Airport · Seoul, South Korea
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 HPH
- HAN · Noi Bai International Airport65 mi away
Near GMP
- ICN · Incheon International Airport20 mi away
- SSN · Seoul Air Base (K-16)19 mi away
- SWU · Suwon Airport25 mi away
- OSN · Osan Air Base35 mi away
Frequently asked questions
How far is HPH from GMP?
The flight distance from Haiphong (HPH) to Seoul (GMP) is 1,667 miles (2,683 km, 1,449 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HPH to GMP?
A nonstop flight takes about 3h 44m 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 Haiphong and Seoul?
Seoul is 2 hours ahead of Haiphong.
What is the cheapest way to fly from HPH to GMP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HPH–GMP that never appear on search engines, with no booking fees.