| City | Country | IATA | ICAO | Airport | Notes | Refs | | Abu Dhabi | United Arab Emirates | AUH | OMAA | Abu Dhabi International Airport | | |
| Amsterdam | Netherlands | AMS | EHAM | Amsterdam Airport Schiphol | | |
| Bangalore | India | BLR | VOBL | Kempegowda International Airport | | |
| Bangkok | Thailand | BKK | VTBS | Suvarnabhumi Airport | | |
| Beijing | China | PEK | ZBAA | Beijing Capital International Airport | | |
| Beirut | Lebanon | BEY | OLBA | Beirut–Rafic Hariri International Airport | | |
| Berlin | Germany | SXF | EDDB | Berlin Schönefeld Airport | | |
| Brussels | Belgium | BRU | EBBR | Brussels Airport | | |
| Chennai | India | MAA | VOMM | Chennai International Airport | | |
| Chengdu | China | CTU | ZUUU | Chengdu Shuangliu International Airport | | |
| Chongqing | China | CKG | ZUCK | Chongqing Jiangbei International Airport | | |
| Colombo | Sri Lanka | CMB | VCBI | Bandaranaike International Airport | | |
| Coimbatore | India | CJB | VOCB | Coimbatore International Airport | | [2] |
| Dammam | Saudi Arabia | DMM | OEDF | King Fahd International Airport | | |
| Delhi | India | DEL | VIDP | Indira Gandhi International Airport | | |
| Dhaka | Bangladesh | DAC | VGZR | Shahjalal International Airport | | |
| Doha | Qatar | DOH | OTHH | Hamad International Airport | | |
| Dubai | United Arab Emirates | DXB | OMDB | Dubai International Airport | | |
| Frankfurt | Germany | FRA | EDDF | Frankfurt Airport | | |
| Fukuoka | Japan | FUK | RJFF | Fukuoka Airport | | |
| Gan | Maldives | GAN | VRMG | Gan International Airport | | |
| Gaya | India | GAY | VEGY | Gaya Airport | | |
| Goa | India | GOI | VOGO | Goa International Airport | | |
| Guangzhou | China | CAN | ZGGG | Guangzhou Baiyun International Airport | | |
| Hambantota | Sri Lanka | HRI | VCRI | Mattala Rajapaksa International Airport | Operated by Cinnamon Air | |
| Hong Kong | China | HKG | VHHH | Hong Kong International Airport | | [3] |
| Hyderabad | India | HYD | VOHS | Rajiv Gandhi International Airport | | [4] |
| Jakarta | Indonesia | CGK | WIII | Soekarno–Hatta International Airport | | |
| Jeddah | Saudi Arabia | JED | OEJN | King Abdulaziz International Airport | | |
| Karachi | Pakistan | KHI | OPKC | Jinnah International Airport | | |
| Kochi | India | COK | VOCI | Cochin International Airport | | |
| Kolkata | India | CCU | VECC | Netaji Subhas Chandra Bose International Airport | | |
| Kozhikode | India | CCJ | VOCL | Calicut International Airport | | |
| Kuala Lumpur | Malaysia | KUL | WMKK | Kuala Lumpur International Airport | | |
| Kunming | China | KMG | ZPPP | Kunming Changshui International Airport | | [5] |
| Kuwait City | Kuwait | KWI | OKBK | Kuwait International Airport | | |
| Lahore | Pakistan | LHE | OPLA | Allama Iqbal International Airport | | [6] |
| London | United Kingdom | LHR | EGLL | Heathrow Airport | | |
| Madurai | India | IXM | VOMD | Madurai International Airport | | |
| Malé | Maldives | MLE | VRMM | Velana International Airport | | |
| Mahé | Seychelles | SEZ | FSIA | Seychelles International Airport | | |
| Manama | Bahrain | BAH | OBBI | Bahrain International Airport | | |
| Medan | Indonesia | KNO | WIMM | Kualanamu International Airport | | |
| Melbourne | Australia | MEL | YMML | Melbourne Airport | | [7] |
| Milan | Italy | MXP | LIMC | Milan–Malpensa Airport | | |
| Moscow | Russia | DME | UUDD | Domodedovo International Airport | | |
| Mumbai | India | BOM | VABB | Chhatrapati Shivaji International Airport | | |
| Munich | Germany | MUC | EDDM | Munich Airport | | |
| Muscat | Oman | MCT | OOMS | Muscat International Airport | | |
| Paris | France | CDG | LFPG | Charles de Gaulle Airport | | |
| Riyadh | Saudi Arabia | RUH | OERK | King Khalid International Airport | | |
| Rome | Italy | FCO | LIRF | Leonardo da Vinci-Fiumicino Airport | | |
| Shanghai | China | PVG | ZSPD | Shanghai Pudong International Airport | | |
| Sharjah | United Arab Emirates | SHJ | OMSJ | Sharjah International Airport | | |
| Singapore | Singapore | SIN | WSSS | Singapore Changi Airport | | |
| Stockholm | Sweden | ARN | ESSA | Stockholm Arlanda Airport | | |
| Sydney | Australia | SYD | YSSY | Sydney Airport | | |
| Thiruvananthapuram | India | TRV | VOTV | Trivandrum International Airport | | |
| Tiruchirappalli | India | TRZ | VOTR | Tiruchirappalli International Airport | | |
| Tokyo | Japan | NRT | RJAA | Narita International Airport | | |
| Varanasi | India | VNS | VIBN | Lal Bahadur Shastri International Airport | | |
| Vienna | Austria | VIE | LOWW | Vienna International Airport | | |
| Visakhapatnam | India | VTZ | VOVZ | Visakhapatnam Airport | | [8] |
| Zürich | Switzerland | ZRH | LSZH | Zürich Airport | | |
|
1. ^
2. ^http://www.routesonline.com/news/38/airlineroute/272310/srilankan-airlines-outlines-a321neo-s17-service//
3. ^{{cite web |title=SriLankan Airlines makes progressive changes to its Winter 2018 schedule. |url=https://www.srilankan.com/en_uk/coporate/news-details/224 |website=www.srilankan.com |accessdate=19 September 2018 |language=en}}
4. ^http://www.routesonline.com/news/38/airlineroute/272310/srilankan-airlines-outlines-a321neo-s17-service//
5. ^{{cite web|last1=2017|first1=UBM (UK) Ltd.|title=SriLankan Airlines schedules Kunming service until late-Feb 2018|url=https://www.routesonline.com/news/38/airlineroute/275921/srilankan-airlines-schedules-kunming-service-until-late-feb-2018/|website=Routesonline}}
6. ^http://www.lankabusinessonline.com/srilankan-airlines-adds-lahore-as-100th-destination/
7. ^{{cite web|url=http://www.routesonline.com/news/38/airlineroute/273036/srilankan-airlines-resumes-melbourne-service-from-oct-2017/|title=SriLankan Airlines resumes Melbourne service from Oct 2017|publisher=Routesonline|accessdate=29 May 2017}}
8. ^https://timesofindia.indiatimes.com/city/visakhapatnam/sla-to-withdraw-colombo-vizag-services-from-oct-27/articleshow/65971885.cms