Cat Bi International Airport offers nonstop service to 22 destinations, served by 6 airlines.
| Destination | Code | Country | Distance | Duration | Airlines |
|---|---|---|---|---|---|
| Da Nang | DAD | Viet Nam | 550 km | 1h 20m | VJ, VN |
| Kunming | KMG | China | 613 km | 1h 45m | DR |
| Guangzhou | CAN | China | 734 km | 1h 50m | ZH |
| Buon Ma Thout | BMV | Viet Nam | 913 km | 1h 40m | VJ |
| Lijiang | LJG | China | 925 km | 2h 50m | 8L |
| Nha Trang | CXR | Viet Nam | 1,011 km | 1h 50m | VJ |
| Dalat | DLI | Viet Nam | 1,019 km | 1h 45m | VJ |
| Ho Chi Minh City | SGN | Viet Nam | 1,107 km | 2h 5m | 9G, VJ, VN |
| Can Tho | VCA | Viet Nam | 1,196 km | 2h 5m | VJ |
| Phu Quoc | PQC | Viet Nam | 1,214 km | 2h 5m | 9G, VJ |
| Seoul | ICN | Republic of Korea | 2,649 km | 4h 20m | VJ |