Sultan Ismail Petra offers nonstop service to 16 destinations, served by 5 airlines.
| Destination | Code | Country | Distance | Duration | Airlines |
|---|---|---|---|---|---|
| Penang | PEN | Malaysia | 244 km | 1h 0m | FY |
| Kuala Lumpur | SZB | Malaysia | 345 km | 1h 10m | FY, OD |
| Kuala Lumpur | KUL | Malaysia | 384 km | 1h 10m | AK, FY, MH, OD |
| Johor Bharu | JHB | Malaysia | 524 km | 1h 5m | AK |
| Singapore | SIN | Singapore | 564 km | 1h 20m | TR |
| Kuching | KCH | Malaysia | 1,033 km | 1h 50m | AK |
| Jakarta | CGK | Indonesia | 1,444 km | 2h 40m | AK |
| Kota Kinabalu | BKI | Malaysia | 1,523 km | 2h 38m | AK |