| Gulf Air |
Serves Bangalore, Chennai, Delhi, Kochi, Kolkata, Mumbai and Thiruvananthapuram. |
| Druk Air (Bhutan) |
Connects Paro with Delhi and Kolkata |
| Biman Bangladesh Airlines |
Serves Kolkata, Delhi and Mumbai |
| SriLankan Airlines |
Serves Bangalore, Bodh Gaya, Chennai, Delhi, Kochi, Mumbai, Tiruchirapalli and Thiruvananthapuram. New destinations planned are Hyderabad, Kolkata and Ahmedabad. |
| Thai Airways |
Serves Chennai, Delhi, Kolkata and Mumbai |
| Singapore Airlines |
Connects Delhi, Chennai, Kolkata, Mumbai and Bangalore with Singapore. |
| Royal Brunei Airlines |
Serves Kolkata |
| British Airways |
Flies to Chennai, Delhi, Kolkata and Mumbai |
| KLM |
Flies to Delhi, Kolkata and Mumbai |