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Flights between Seoul (ICN) and Vientiane (VTE)

Incheon International Airport, South Korea ↔ Wattay International Airport, Laos

A direct route between Seoul and Vientiane 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This reflects historical scheduled service and may be out of date — it is not a live timetable.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:

LJQV
Distance
3,179 km
1,975 miles
Est. flight time
4h 28m
great-circle estimate
Time difference
~2h
varies with DST
View this route on the live map →Search fares on Skyscanner ↗

Climate

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.

Typical monthly temperatures in Laos

Jan
28°
33/23
10mm
Feb
30°
35/25
15mm
Mar
33°
38/28
30mm
Apr
34°
39/29
90mm
May
32°
37/27
240mm
Jun
32°
37/27
280mm
Jul
31°
36/26
290mm
Aug
31°
36/26
320mm
Sep
31°
36/26
220mm
Oct
30°
35/25
80mm
Nov
29°
34/24
15mm
Dec
27°
32/22
10mm

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

Travel advisories

South Korea: Normal precautions (UK FCDO) ↗Laos: Caution — some areas (UK FCDO) ↗

Common questions

How far is Seoul from Vientiane?

Seoul (ICN) and Vientiane (VTE) are around 3,179 km (1,975 miles) apart — an estimated 4h 28m by air. Distances and flight times are great-circle estimates.

Which airlines have operated the ICN–VTE route?

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 This reflects historical scheduled service and may be out of date.

What is the time difference between Seoul and Vientiane?

Time difference ~ 2 hours (varies with daylight-saving).

When is it warmest in Laos?

Across Laos, the warmest month on average is April, with mean temperatures around 34°C. These are country-level monthly climate normals, not airport-specific.

Are there travel advisories for South Korea and Laos?

The UK FCDO currently rates South Korea as Normal precautions; The UK FCDO rates Laos as Caution — some areas. Check the official sources before you travel.

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