The flight distance from Dehradun Airport (DED) in Dehradun, India to Incheon International Airport (ICN) in Seoul, South Korea is 4,482 kilometers (2,785 miles / 2,420 nautical miles). The estimated flight time for this route is approximately 6h, flying east northeast at a heading of 66°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

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

Time zone information: When it's 17:03 in Dehradun, it's 20:33 in Seoul. The 3.5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 1,808 feet between the two airports. Incheon International Airport sits lower than Dehradun Airport.

The return flight from Seoul (ICN) to Dehradun (DED) follows a heading of 274° (west). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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