The flight distance from Incheon International Airport (ICN) in Seoul, South Korea to Na-San Airport (SQH) in Son-La, Vietnam is 2,813 kilometers (1,748 miles / 1,519 nautical miles). The estimated flight time for this route is approximately 4h, flying west southwest at a heading of 236°.

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

This is an international route connecting South Korea with Vietnam. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 18:39 in Seoul, it's 16:39 in Son-La.

There is a significant elevation difference of 2,110 feet between the two airports. Na-San Airport sits higher than Incheon International Airport.

The return flight from Son-La (SQH) to Seoul (ICN) follows a heading of 45° (northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Incheon International Airport (ICN) and Na-San Airport (SQH) detail pages, or use our flight duration calculator to compare other routes.