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GMP to HEK: distance & flight time
Seoul (Gimpo International Airport) → Heihe (Heihe Airport)
872 mi
1,403 km · 758 nm
2h 22m
estimated nonstop flight time
-1h
time difference · heading north
See live GMP→HEK fares Phone-only fares on this route — call free
Flight time details
872 miles nonstop takes roughly 2h 22m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- GMP — Gimpo International Airport · Seoul, South Korea
- HEK — Heihe Airport · Heihe, China
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 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
Near HEK
- BQS · Ignatyevo Airport18 mi away
- DTU · Wudalianchi Dedu Airport131 mi away
- JGD · Jiagedaqi Airport142 mi away
Frequently asked questions
How far is GMP from HEK?
The flight distance from Seoul (GMP) to Heihe (HEK) is 872 miles (1,403 km, 758 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GMP to HEK?
A nonstop flight takes about 2h 22m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from GMP to HEK?
Nonstop service on GMP–HEK depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 2h 22m nonstop estimate.
What is the time difference between Seoul and Heihe?
Heihe is 1 hour behind Seoul.
What is the cheapest way to fly from GMP to HEK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GMP–HEK that never appear on search engines, with no booking fees.
Why are some GMP to HEK fares phone-only?
Consolidator contracts let us sell certain GMP–HEK tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.