| Bangkok (BKK) Suvarnabhumi Airport | Thailand | 324 mi | ~1h 15m | Thai Airways, Cambodia, and Cambodia Angkor Air | 6-7/day |
| Guangzhou (CAN) Guangzhou Baiyun International Airport | China | 997 mi | ~2h 38m | Cambodia, China Southern, and Cambodia Angkor Air | 5-6/day |
| Kuala Lumpur (KUL) Kuala Lumpur International Airport | Malaysia | 635 mi | ~1h 54m | Malaysia Airlines, Mahogany Air, and Cambodia | 4-5/day |
| Ho Chi Minh City (SGN) Tan Son Nhat International Airport | Vietnam | 124 mi | ~50m | Cambodia Angkor Air, Qatar Airways, and Vietnam | 4-5/day |
| Singapore (SIN) Singapore Changi International Airport | Singapore | 695 mi | ~2h 1m | Singapore Airlines and Emirates | 3-4/day |
| Seoul (ICN) Incheon International Airport | South Korea | 2,244 mi | ~5h 13m | Korean Air, Asiana Airlines, and Sky Angkor | 2-3/day |
| Hong Kong (HKG) Chek Lap Kok International Airport | Hong Kong SAR China | 962 mi | ~2h 34m | Cathay Pacific and Cambodia | 2-3/day |
| Siem Reap (SAI) Siem Reap Angkor International Airport | Cambodia | 146 mi | ~53m | Cambodia Angkor Air | 1-2/day |
| Taipei (TPE) Taiwan Taoyuan International Airport | Taiwan | 1,427 mi | ~3h 32m | EVA Air and China | 1-2/day |
| Shanghai (PVG) Shanghai Pudong International Airport | China | 1,741 mi | ~4h 11m | China Eastern and Spring | 1-2/day |
| Vientiane (VTE) Wattay International Airport | Laos | 484 mi | ~1h 35m | Vietnam and Cambodia | 1-2/day |
| Hanoi (HAN) Noi Bai International Airport | Vietnam | 684 mi | ~2h | Cambodia Angkor Air and Vietnam | 1-2/day |
| Shenzhen (SZX) Shenzhen Bao'an International Airport | China | 975 mi | ~2h 36m | Shenzhen and Cambodia | 1-2/day |
| Xiamen (XMN) Xiamen Gaoqi International Airport | China | 1,256 mi | ~3h 11m | Xiamen | 1/day |
| Bangkok (DMK) Don Mueang International Airport | Thailand | 340 mi | ~1h 17m | Thai AirAsia | 1/day |
| Chongqing (CKG) Chongqing Jiangbei International Airport | China | 1,273 mi | ~3h 13m | Xiamen and Cambodia | 1/day |
| Yangon (RGN) Yangon International Airport | Myanmar (Burma) | 702 mi | ~2h 2m | Myanmar International | 1/day |
| Fuzhou (FOC) Fuzhou Changle International Airport | China | 1,392 mi | ~3h 27m | Xiamen and Cambodia Angkor Air | 5×/wk |
| Kunming (KMG) Kunming Wujiaba International Airport | China | 952 mi | ~2h 33m | China Eastern | 1/day |
| Abu Dhabi (AUH) Abu Dhabi International Airport | United Arab Emirates | 3,406 mi | ~7h 37m | Etihad Airways | 1/day |
| Jakarta (CGK) Soekarno-Hatta International Airport | Indonesia | 1,214 mi | ~3h 5m | Indonesia AirAsia | 1/day |
| Manila (MNL) Ninoy Aquino International Airport | Philippines | 1,106 mi | ~2h 52m | PAL Express and Airphil Express | 1/day |
| Beijing (PEK) Beijing Capital International Airport | China | 2,108 mi | ~4h 56m | Air China | 3×/wk |
| Taiyuan (TYN) Taiyuan Wusu Airport | China | 1,884 mi | ~4h 28m | China Southern | 3×/wk |
| Macao (MFM) Macau International Airport | Macao SAR China | 940 mi | ~2h 31m | Cambodia and Sky Angkor | 3×/wk |
| Da Nang (DAD) Da Nang International Airport | Vietnam | 391 mi | ~1h 23m | Cambodia Angkor Air | 3×/wk |
| Duong Dong (PQC) Phu Quoc Airport | Vietnam | 102 mi | ~48m | Cambodia Angkor Air | 3×/wk |
| New Delhi (DEL) Indira Gandhi International Airport | India | 2,153 mi | ~5h 1m | Cambodia Angkor Air | 2×/wk |
| Xi'an (XIY) Xi'an Xianyang International Airport | China | 1,613 mi | ~3h 55m | Spring | 2×/wk |
| Changsha (CSX) Changsha Huanghua Airport | China | 1,281 mi | ~3h 14m | Cambodia and Sky Angkor | weekly |
| Nanning (NNG) Nanning Wuxu Airport | China | 806 mi | ~2h 15m | Cambodia Angkor Air | 2×/wk |
| Wuhan (WUH) Wuhan Tianhe International Airport | China | 1,468 mi | ~3h 37m | China Eastern | weekly |