The flight distance from Gimpo International Airport (GMP) in Seoul, South Korea to Noi Bai International Airport (HAN) in Hanoi, Vietnam is 2,714 kilometers (1,686 miles / 1,466 nautical miles). The estimated flight time for this route is approximately 4h, flying southwest at a heading of 234°.

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 00:02 in Seoul, it's 22:02 in Hanoi.

The return flight from Hanoi (HAN) to Seoul (GMP) follows a heading of 43° (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 Gimpo International Airport (GMP) and Noi Bai International Airport (HAN) detail pages, or use our flight duration calculator to compare other routes.