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Flights between Seoul (ICN) and London (LHR)

Incheon International Airport, South KoreaLondon Heathrow Airport, United Kingdom

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

This reflects historical scheduled service and may be out of date — it is not a live timetable.

Airlines that have operated this route include:

British Airways (BA)Korean Air (KE)Asiana Airlines (OZ)
Distance
8,861 km
5,506 miles
Est. flight time
11h 35m
great-circle estimate
Time difference
~9h
varies with DST
View this route on the live map →Search fares on Skyscanner ↗

Climate

Typical monthly temperatures in South Korea

Jan
8/-2
20mm
Feb
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
10/0
25mm

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

Typical monthly temperatures in United Kingdom

Jan
12/2
85mm
Feb
12/2
65mm
Mar
10°
15/5
70mm
Apr
13°
18/8
60mm
May
16°
21/11
65mm
Jun
19°
24/14
65mm
Jul
21°
26/16
60mm
Aug
21°
26/16
75mm
Sep
18°
23/13
75mm
Oct
14°
19/9
90mm
Nov
10°
15/5
90mm
Dec
13/3
95mm

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

Travel advisories

South Korea: Normal precautions (UK FCDO)United Kingdom: Exercise Increased Caution (US State Dept)

Common questions

How far is Seoul from London?

Seoul (ICN) and London (LHR) are around 8,861 km (5,506 miles) apart — an estimated 11h 35m by air. Distances and flight times are great-circle estimates.

Which airlines have operated the ICN–LHR route?

Airlines recorded operating this route in the OpenFlights network include British Airways, Korean Air, Asiana Airlines. This reflects historical scheduled service and may be out of date.

What is the time difference between Seoul and London?

Time difference ~ 9 hours (varies with daylight-saving).

When is it warmest in United Kingdom?

Across United Kingdom, the warmest month on average is July, with mean temperatures around 21°C. These are country-level monthly climate normals, not airport-specific.

Are there travel advisories for South Korea and United Kingdom?

The UK FCDO currently rates South Korea as Normal precautions; The US State Department rates United Kingdom as Exercise Increased Caution. Check the official sources before you travel.

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