Cheap flight from Kathmandu to Seoul from $572

Frequently Asked Questions

• Which airlines offer direct flights from Kathmandu to Seoul?

  At the moment, you can catch a nonstop flight from Kathmandu to Seoul with the following airlines, including: Korean Air Thai AirAsia China Southern Airlines Air China Jin Air Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long does it take to fly from Kathmandu (KTM) to Seoul (SEL) and what is the distance?

  It takes around 5 hours 55 minutes to fly from Kathmandu (KTM) to Seoul (SEL).

• When is the best time to book flights from Kathmandu to Seoul?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Kathmandu to Seoul is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Kathmandu to Seoul?

  Based on Trip.com data in the past 4 weeks, there is 4 flight per week flying from Kathmandu to Seoul. You can check the weekly schedule for popular airlines on this route below: Korean Air: -/M/-/-/-/F/- -- KE696 (19:31)

• When are flight tickets from Kathmandu (KTM) to Seoul (SEL) the cheapest?

  The cheapest months to fly from Kathmandu to Seoul is October, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Kathmandu to Seoul on?

  After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Kathmandu to Seoul on November 19, 2025 with Thai Lion Air, with prices starting at $224.

• Which airports can I fly to for Seoul from Kathmandu?

  You can land at any one of the following hubs in Seoul, with Tribhuvan International Airport to Incheon International Airport (KTM-ICN) is by far the most common option on this route: Incheon International Airport (ICN) Gimpo International Airport (GMP).

• Is there any time difference between Kathmandu and Seoul?

  The time difference between Seoul and Kathmandu is 3h.

• How do I change or cancel my ticket from Kathmandu to Seoul?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.