Korean Air is the national carrier of South Korea, and operates from its hub in Seoul. It is rated a 4-star airline by SkyTrax. Korean Air operates 2 flights a week in the Kathmandu-Seoul sector. The duration of the flight from Kathmandu to Seoul is 5 hours and 45 minutes.
Korean Air has an excellent network in North America. It flies to 11 destinations in North America: Los Angeles, San Francisco, Las Vegas, Seattle, Dallas, Atlanta, Chicago, Washington DC, New York, Vancouver, and Toronto. Flying directly from one of the above destinations to Nepal requires only one stop in Seoul. However, there could be limited seats and less flexibility in the Seoul-Kathmandu sector because of the limited number of flights.