Seoul (ICN) to Vientiane (VTE) flights
3 airlines fly nonstop from Seoul (ICN) to Vientiane (VTE): Jeju Air, Lao Airlines and T´Way Air. The two airports are 1,975 miles (3,178 km) apart. There are also 23 ways to fly it with one stop, through Hanoi, Changsha and Hefei and more.
Airlines flying nonstop from ICN to VTE
- Jeju AirNot in an alliance

- QVLao AirlinesNot in an alliance
- T´Way AirNot in an alliance

ICN to VTE with one stop
23 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Hanoi (HAN)Vietnam Airlines the whole way

+4
QV
- Via Changsha (CSX)China Southern Airlines, Korean Air and 1 more, then Lao Airlines


QV - Via Hefei (HFE)Korean Air, then 9 Air
AQ - Via Wuhan (WUH)China Southern Airlines, Korean Air and 1 more, then China Eastern Airlines




- Via Hangzhou (HGH)Air China, Asiana Airlines and 2 more, then Loong Air

+1
GJ - Via Yichang (YIH)Jin Air, then Air Changan
9H - Via Shanghai (PVG)China Eastern Airlines the whole way

+4

- Via Guangzhou (CAN)China Southern Airlines the whole way



QVAQ - Via Shenzhen (SZX)China Southern Airlines, Korean Air and 2 more, then Donghai Airlines

+1
DZ - Via Haikou (HAK)Hainan Airlines the whole way


- Via Wenzhou (WNZ)Air China, then China United Airlines
KN - Via Chongqing (CKG)Air China and Asiana Airlines, then Gestair and West Air (China)

G5PN - Via Kunming (KMG)China Eastern Airlines the whole way


QV - Via Chengdu (TFU)Sichuan Airlines the whole way3U

3U - Via Da Nang (DAD)Jeju Air, Korean Air and 8 more, then Lao Airlines

+7
QV
ICN to VTE: common questions
Which airlines fly nonstop from ICN to VTE?
Jeju Air, Lao Airlines and T´Way Air fly nonstop from Seoul (ICN) to Vientiane (VTE).
How far is Seoul from Vientiane by plane?
Seoul (ICN) and Vientiane (VTE) are 1,975 miles (3,178 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does ICN to VTE cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for ICN to VTE with taxes and fees.
Where can I connect between Seoul and Vientiane?
The most direct connections are through Hanoi (HAN), Changsha (CSX), Hefei (HFE), Wuhan (WUH) and Hangzhou (HGH). On 12 of them the same airline flies both flights, for example Vietnam Airlines through Hanoi.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.