The Korean Air home page has a Book a Flight link where users can purchase flights, as of April 2015. Users can search for domestic or international flights.
Visit the Korean Air home page, and click on Book a Flight. Select either Domestic Flights or International Flights. Select One Way, Round Trip or Open Jaw. Enter the starting point, destination and trip dates. Select Economy Class, Prestige Class or First Class, the type and number of passengers, then perform a search.
Visitors sort flights by departure time, with earlier flights listed first. Other information on the results page includes the flight number, type of aircraft and the number of seats available.