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ICN to SIN: distance & flight time
Seoul (Incheon International Airport) → Singapore (Singapore Changi Airport)
2,875 mi
4,627 km · 2,499 nm
6h 6m
estimated nonstop flight time
-1h
time difference · heading southwest
See live ICN→SIN fares Phone-only fares on this route — call free
Flight time details
2,875 miles nonstop takes roughly 6h 6m 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
- ICN — Incheon 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 ICN
- GMP · Gimpo International Airport20 mi away
- SWU · Suwon Airport34 mi away
- SSN · Seoul Air Base (K-16)36 mi away
- OSN · Osan Air Base41 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 ICN from SIN?
The flight distance from Seoul (ICN) to Singapore (SIN) is 2,875 miles (4,627 km, 2,499 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ICN to SIN?
A nonstop flight takes about 6h 6m 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 Singapore?
Singapore is 1 hour behind Seoul.
What is the cheapest way to fly from ICN to SIN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ICN–SIN that never appear on search engines, with no booking fees.