CheapoTrav
Call

Need help booking?

Unpublished phone-only deals available

1 (815) 473-8090

GMP to KTM: distance & flight time

Seoul (Gimpo International Airport) → Kathmandu (Tribhuvan International Airport)

2,484 mi
3,997 km · 2,158 nm
5h 20m
estimated nonstop flight time
-3.2h
time difference · heading west
See live GMP→KTM fares Phone-only fares on this route — call free

Flight time details

2,484 miles nonstop takes roughly 5h 20m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.2-hour time set-back when reading arrival times on your ticket.

Track a live flight on this route →

The two airports

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.

Compare GMP–KTM against every nearby airport — free on one call:

Frequently asked questions

How far is GMP from KTM?

The flight distance from Seoul (GMP) to Kathmandu (KTM) is 2,484 miles (3,997 km, 2,158 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from GMP to KTM?

A nonstop flight takes about 5h 20m 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 Seoul and Kathmandu?

Kathmandu is 3.2 hours behind Seoul.

What is the cheapest way to fly from GMP to KTM?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GMP–KTM that never appear on search engines, with no booking fees.
Keep exploring:KTM to GMP Airports near GMP Airports near KTM Time difference GMP–KTM Distance calculator