Penang International offers nonstop service to 59 destinations, served by 28 airlines.
| Destination | Code | Country | Distance | Duration | Airlines |
|---|---|---|---|---|---|
| Langkawi | LGK | Malaysia | 130 km | 0h 40m | AK, FY |
| Kuala Namu | KNO | Indonesia | 239 km | 0h 50m | JT, OD, QZ |
| Kota Bharu | KBR | Malaysia | 244 km | 1h 0m | FY |
| Kuala Lumpur | SZB | Malaysia | 278 km | 1h 0m | FY, OD |
| Kuala Lumpur | KUL | Malaysia | 324 km | 1h 0m | AK, FY, MH, OD |
| Phuket | HKT | Thailand | 379 km | 1h 5m | AK, FY, QR |
| Banda Aceh | BTJ | Indonesia | 537 km | 1h 40m | FY |
| Johor Bharu | JHB | Malaysia | 553 km | 1h 10m | AK |
| Singapore | SIN | Singapore | 600 km | 1h 35m | AK, SQ, TR |
| Batam | BTH | Indonesia | 628 km | 1h 40m | OD |
| Bangkok | BKK | Thailand | 930 km | 1h 45m | TG |
| Ho Chi Minh City | SGN | Viet Nam | 932 km | 1h 50m | AK |
| Bangkok | DMK | Thailand | 954 km | 1h 45m | FD, SL |
| Kuching | KCH | Malaysia | 1,196 km | 2h 0m | AK |
| Yangon | RGN | Myanmar | 1,360 km | 2h 0m | 8M |
| Jakarta | CGK | Indonesia | 1,449 km | 2h 30m | 8B, AK, ID, OD, QZ |
| Kota Kinabalu | BKI | Malaysia | 1,750 km | 2h 50m | AK |
| Haikou | HAK | China | 1,960 km | 3h 15m | HU |
| Surabaya | SUB | Indonesia | 1,974 km | 2h 55m | QZ |
| Chennai | MAA | India | 2,365 km | 3h 25m | 6E |
| Hong Kong | HKG | Hong Kong SAR | 2,390 km | 4h 0m | CX, UO |
| Shenzhen | SZX | China | 2,409 km | 4h 5m | ZH |
| Guangzhou | CAN | China | 2,442 km | 4h 3m | CZ |
| Chongqing | CKG | China | 2,785 km | 4h 20m | OQ |
| Chengdu | TFU | China | 2,804 km | 4h 5m | 3U |
| Xiamen | XMN | China | 2,861 km | 4h 10m | MF |
| Taipei | TPE | Taiwan | 3,130 km | 4h 45m | CI |
| Shanghai | PVG | China | 3,640 km | 5h 20m | FM, HO |
| Qingdao | TAO | China | 3,992 km | 6h 0m | QW |
| Jeddah | JED | Saudi Arabia | 6,816 km | 8h 40m | MH |