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Flights between Changchun (CGQ) and Seoul (ICN)

Changchun Longjia International Airport, China ↔ Incheon International Airport, South Korea

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

Airlines currently operating this route:

Observed from recent schedules · as of 21 Jul 2026 — sampled, not a live timetable; confirm with the airline.

Asiana Airlines (OZ)China Southern Airlines (CZ)
Distance
729 km
453 miles
Est. flight time
1h 25m
great-circle estimate
Time difference
~1h
varies with DST
View this route on the live map →Search fares on Skyscanner ↗

Climate

Typical monthly temperatures in China

Jan
3°
8/-2
3mm
Feb
6°
11/1
8mm
Mar
13°
18/8
10mm
Apr
21°
26/16
20mm
May
26°
31/21
35mm
Jun
30°
35/25
75mm
Jul
31°
36/26
195mm
Aug
30°
35/25
180mm
Sep
26°
31/21
50mm
Oct
20°
25/15
20mm
Nov
12°
17/7
6mm
Dec
5°
10/0
2mm

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

China: Normal precautions (UK FCDO) ↗South Korea: Normal precautions (UK FCDO) ↗

Common questions

How far is Changchun from Seoul?

Changchun (CGQ) and Seoul (ICN) are around 729 km (453 miles) apart — an estimated 1h 25m by air. Distances and flight times are great-circle estimates.

Which airlines have operated the CGQ–ICN route?

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 This reflects historical scheduled service and may be out of date.

What is the time difference between Changchun and Seoul?

Time difference ~ 1 hour (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 China and South Korea?

The UK FCDO currently rates China 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.