Some of following International Airlines are provided Air Service in Nepal

Airlines Name	Flight Service Nepal	Kathmandu Address	Remarks
Aeroflot Russian Airlines	Offline Service	Kamaladi, Kathmandu
Air Arabia	Online Service	Kathmandu	Flight Reservation
Air China	Online Service	Kathmandu	Flight Reservation
Air France	Offline Service	Durbar Marg, Kathmandu
Air India Ltd	Offline Service	Hattisar, Kathmandu
Air Sahara	Online Service	Kathmandu	Flight Reservation
Austrian Airlines	Online Service	Kamaladi, Kathmandu	Flight Reservation
Biman Bangladesh Airlines	Online Service	Nagpokhari, Kathmandu	Flight Reservation
British Airways	Offline Service	Durbar Marg, Kathmandu
Cathay Pacific	Offline Service	Kamaladi, Kathmandu
China Airlines	Offline Service	Hattisar, Kathmandu
China Southern Airlines	Online Service	Kathmandu	Flight Reservation
Cosmic Air	Hub in Kathmandu	Airport, Kathmandu	Flight Reservation
Dragon Air	Offline Service	Durbar Marg, Kathmandu
Druk Air	Online Service	Durbar Marg, Kathmandu	Flight Reservation
East West Airlines	Offline Service	Kamaladi, Kathmandu
Emirates	Offline Service	Kantipath, Kathmandu
Eva Airways	Offline Service	Lazimpat, Kathmandu
GMG Airlines	Online Service	Durbar Marg, Kathmandu	Flight Reservation
Gulf Air	Online Service	Hattisar, Kathmandu	Flight Reservation
Indian Airlines	Online Service	Hattisar, Kathmandu	Flight Reservation
Japan Airlines	Offline Service	Durbar Marg, Kathmandu
Jet Airways	Online Service	Durbar Marg, Kathmandu	Flight Reservation
Korean Air	Online Service	Kantipath, Kathmandu	Flight Reservation
Kuwait Airways	Offline Service	Kantipath, Kathmandu
Modi Luft	Offline Service	Durbar Marg, Kathmandu
Nepal Airlines	Hub in Kathmandu	New Road, Kathmandu	Flight Reservation
Northwest Airways	Offline Service	Lanichaur, Kathmandu
Pakistan International Airlines	Online Service	Durbar Marg, Kathmandu	Flight Reservation
Philipines Airlines	Offline Service	Kantipath, Kathmandu
Qantas Airways	Offline Service	Durbar Marg, Kathmandu
Qatar Airways	Online Service	Durbar Marg, Kathmandu	Flight Reservation
Royal Brunei Airlines	Offline Service	Hattisar, Kathmandu
Royal Dutch Airlines	Offline Service	New Road, Kathmandu
Saudi Arabian Airlines	Offline Service	Kantipath, Kathmandu
Singapore Airlines	Offline Service	Durbar Marg, Kathmandu
Swissair	Offline Service	Naxal, Kathmandu
Thai Airways International	Online Service	Durbar Marg, Kathmandu	Flight Reservation
Transavia Airlines	Offline Service	Kamaladi, Kathmandu