Kathmandu Airport is connected by direct flight to Amsterdam, London, Paris, Frankfurt, Moscow, Vienna, Abu Dhabi, Doha, Dubai, Karachi, Calcutta, Delhi, Mumbai, Patna, Varanasi, Dhaka, Paro, Lhasa, Bangkok, Singapore, Hong Kong, Shanghai and Osaka with Royal Nepal Airlines, China South West Airlines, Qutar Airlines, Druk Air, Aeroflot, Gulf Air, Singapore Airlines, Austrian Airlines, Indian Airlines, Thai Airways, Biman Bangladesh Air, Pakistan Int'l Air.
Royal Nepal Airlines (RA) has an extensive network of air service in the interior of Nepal. RA flies to Taplejung, Bhadrapur, Rajbiraj, Bhojpur,Phaplu, Lukla, Lamidada, Tumlingtar,Rumjatar, Biratnagar, Nepalgunj, Surkhet, Rolpa, Jumla, Mahendranagar, Dhangadi, Sanphebagar, Baitadi, and Darchula. Besides RA other domestic airlines (there are more then 15in operation) provide regular and charter services to popular domestic destinations. Excepting weather conditions, Nepal’s domestic air service is known to be punctual and reliable.
| S.N | Sectors | NPR Fare | Fuel Surcharge | U$ Fare | Fuel Surcharge U$ |
| 01 | Kathmandu – Bhadrapur | 4050 | 600 | 137 | 10 |
| 02 | Kathmandu – Bhairahawa | 2940 | 445 | 101 | 7 |
| 03 | Kathmandu – Bharatpur | 1635 | 282 | 79 | 5 |
| 04 | Kathmandu – Biratnagar | 3560 | 500 | 108 | 8 |
| 05 | Kathmandu – Dhangadhi | 6720 | 840 | 158 | 14 |
| 06 | Kathmandu – Janakpur | 1960 | 320 | 86 | 5 |
| 07 | Kathmandu – Mountain | 6000 | 815 | 140 | 14 & 20 |
| 08 | Kathmandu – Nepalgunj | 4200 | 635 | 137 | 11 |
| 09 | Kathmandu – Pokhrara | 2300 | 360 | 86 | 6 |
| 10 | Kathmandu – Simara | 1370 | 240 | 72 | 4 |
| 11 | Biratnagar – Bhojpur | 1075 | 205 | 54 | 3 |
| 12 | Biratnagar – Lamidanda | 1325 | 255 | 69 | 4 |
| 13 | Biratnagar – Phaplu | 1710 | 325 | 89 | 5 |
| 14 | Biratnagar – Rumjatar | 1470 | 275 | 76 | 5 |
| 15 | Biratnagar – Taplejung | 1895 | 270 | 96 | 5 |
| 16 | Biratnagar – Tumlingtar | 1225 | 225 | 69 | 4 |
| 17 | Kathmandu – Bhojpur | 2550 | 370 | 103 | 6 |
| 18 | Kathmandu – Jomsom | 3400 | 490 | 156 | 8 |
| 19 | Kathmandu - Kangeldanda | 1870 | 325 | 103 | 5 |
| 20 | Kathmandu – Lamidanda | 1960 | 275 | 89 | 5 |
| 21 | Kathmandu – Lukla | 2355 | 335 | 109 | 6 |
| 22 | Kathmandu – Manang | 4200 | 475 | 145 | 8 |
| 23 | Kathmandu - Meghauly | 1895 | 270 | 99 | 5 |
| 24 | Kathmandu – Phaplu | 2090 | 300 | 103 | 5 |
| 25 | Kathmandu – Ramechhap | 1740 | 205 | 70 | 3 |
| 26 | Kathmandu – Rumjatar | 1765 | 255 | 76 | 4 |
| 27 | Kathmandu – Surkhet | 5495 | 800 | 133 | 13 |
| 28 | Kathmandu – Taplejung | 3530 | 510 | 193 | 9 |
| 29 | Kathmandu – Tumlingtar | 2800 | 400 | 100 | 7 |
| 30 | Nepalgunj – Bajhang | 2065 | 390 | 103 | 7 |
| 31 | Nepalgunj – Bajura | 1910 | 370 | 96 | 6 |
| 32 | Nepalgunj – Chaurjhari | 1075 | 205 | 54 | 3 |
| 33 | Nepalgunj – Dolpo | 1865 | 360 | 103 | 6 |
| 34 | Nepalgunj - Jumla | 1910 | 370 | 78 | 6 |
| 35 | Nepalgunj – Sanfebagar | 2220 | 320 | 82 | 5 |
| 36 | Nepalgunj – Simikot | 2550 | 490 | 116 | 8 |
| 37 | Nepalgunj – Surkhet | 1110 | 155 | 46 | 3 |
| 38 | Nepalgunj- Talcha | 2060 | 395 | 116 | 7 |
| 39 | Pokhara - Bhairahawa | 1700 | 150 | 78 | 3 |
| 40 | Pokhara - Bharatpur | 1370 | 195 | 69 | 3 |
| 41 | Pokhara - Jomsom | 1370 | 195 | 76 | 4 |
| 42 | Pokhara – Manang | 1075 | 205 | 101 | 3 |
| 43 | Surkhet- Bajhang | 1520 | 290 | 71 | 5 |
| 44 | Surkhet – Jumla | 1370 | 260 | 78 | 4 |
| 45 | Surkhet- Bajura | 1420 | 290 | 68 | 5 |
| 46 | Surkhet- Dolpo | 1515 | 325 | 87 | 5 |
| 47 | Surkhet -Rukum | 1175 | 220 | 60 | 4 |
| 48 | Surkhet- Simikot | 1933 | 380 | 106 | 6 |
| 49 | Surkhet -Talcha | 1520 | 280 | 80 | 5 |