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Flights between Colombo (CMB) and Seoul (ICN)

Bandaranaike International Colombo Airport, Sri Lanka ↔ Incheon International Airport, South Korea

A direct route between Colombo and Seoul appears in the OpenFlights route network.

Airlines currently operating this route:

Observed from recent schedules · as of 26 Jul 2026 — sampled, not a live timetable; confirm with the airline.

SriLankan Airlines (UL)
Distance
5,768 km
3,584 miles
Est. flight time
7h 43m
great-circle estimate
Time difference
~3.5h
varies with DST
View this route on the live map →Search fares on Skyscanner ↗

Climate

Typical monthly temperatures in Sri Lanka

Jan
31°
36/26
85mm
Feb
31°
36/26
70mm
Mar
32°
37/27
130mm
Apr
31°
36/26
240mm
May
31°
36/26
360mm
Jun
30°
35/25
220mm
Jul
29°
34/24
130mm
Aug
29°
34/24
110mm
Sep
30°
35/25
180mm
Oct
30°
35/25
360mm
Nov
30°
35/25
320mm
Dec
30°
35/25
175mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Typical monthly temperatures in South Korea

Jan
3°
8/-2
20mm
Feb
6°
11/1
25mm
Mar
11°
16/6
50mm
Apr
18°
23/13
70mm
May
23°
28/18
100mm
Jun
27°
32/22
130mm
Jul
29°
34/24
350mm
Aug
30°
35/25
290mm
Sep
26°
31/21
170mm
Oct
20°
25/15
50mm
Nov
12°
17/7
50mm
Dec
5°
10/0
25mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Travel advisories

Sri Lanka: Normal precautions (UK FCDO) ↗South Korea: Normal precautions (UK FCDO) ↗

Common questions

How far is Colombo from Seoul?

Colombo (CMB) and Seoul (ICN) are around 5,768 km (3,584 miles) apart — an estimated 7h 43m by air. Distances and flight times are great-circle estimates.

Which airlines have operated the CMB–ICN route?

Airlines recorded operating this route in the OpenFlights network include SriLankan Airlines. This reflects historical scheduled service and may be out of date.

What is the time difference between Colombo and Seoul?

Time difference ~ 3.5 hours (varies with daylight-saving).

When is it warmest in South Korea?

Across South Korea, the warmest month on average is August, with mean temperatures around 30°C. These are country-level monthly climate normals, not airport-specific.

Are there travel advisories for Sri Lanka and South Korea?

The UK FCDO currently rates Sri Lanka as Normal precautions; The UK FCDO rates South Korea as Normal precautions. Check the official sources before you travel.

Distances and flight times are great-circle estimates, not booked block times.