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GMP to SIN: distance & flight time
Seoul (Gimpo International Airport) → Singapore (Singapore Changi Airport)
2,891 mi
4,653 km · 2,512 nm
6h 8m
estimated nonstop flight time
-1h
time difference · heading southwest
See live GMP→SIN fares Phone-only fares on this route — call free
Flight time details
2,891 miles nonstop takes roughly 6h 8m gate to gate, flying southwest. 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
- SIN — Singapore Changi Airport · Singapore, Singapore
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 SIN
- QPG · Paya Lebar Air Base6 mi away
- XSP · Seletar Airport10 mi away
- BTH · Hang Nadim International Airport18 mi away
- TGA · Tengah Air Base20 mi away
Frequently asked questions
How far is GMP from SIN?
The flight distance from Seoul (GMP) to Singapore (SIN) is 2,891 miles (4,653 km, 2,512 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GMP to SIN?
A nonstop flight takes about 6h 8m 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 SIN?
Nonstop service on GMP–SIN 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 6h 8m nonstop estimate.
What is the time difference between Seoul and Singapore?
Singapore is 1 hour behind Seoul.
What is the cheapest way to fly from GMP to SIN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GMP–SIN that never appear on search engines, with no booking fees.
Why are some GMP to SIN fares phone-only?
Consolidator contracts let us sell certain GMP–SIN 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.