Below are the airlines and check-in details at KLIA.
| IATA | Airlines | Check-in Counter | Web Check-In | KLIA Check-In Assignment | Kiosk |
|---|---|---|---|---|---|
| KC | AIR ASTANA | J | 24 hours up to 1 hour before scheduled departure | YES | NO |
| CA | AIR CHINA | F | 3 hours before scheduled departure | YES | NO |
| MK | AIR MAURITIUS | L/M | 24 hours up to 3 hours before scheduled departure | NO | NO |
| NH | ALL NIPPON AIRWAYS | F | 25 hours before scheduled departure | NO | YES |
| PG | BANGKOK AIRWAYS | K | 24 hours up to 1 hour before scheduled departure | NO | YES |
| ID | BATIK AIR | A | 48 hours up to 4 hours before scheduled departure | NO | NO |
| BG | BIMAN BANGLADESH | M | NIL | NO | NO |
| BA | BRITISH AIRWAYS | A | 24 hours before scheduled departure | NO | YES |
| KA | CATHAY DRAGON | H | 48 hours up to 90 minutes before scheduled departure | NO | YES |
| CI | CHINA AIRLINES | H | 24 hours up to 90 minutes before scheduled departure | YES | NO |
| MU | CHINA EASTERN AIRLINES | K | NIL | NO | NO |
| CZ | CHINA SOUTHERN AIRLINES | J | 36 hours up to 1 hour before scheduled departure | NO | NO |
| EK | EMIRATES | G | 48 hours up to 90 minutes before scheduled departure | YES | NO |
| ET | ETHIOPIAN AIRLINES | L | 36 hours up to 2 hours before scheduled departure | NO | NO |
| EY | ETIHAD AIRWAYS | J | 48 hours up to 1 hour before scheduled departure | NO | NO |
| BR | EVA AIRWAYS*** | J | 48 hours up to 3 hours before scheduled departure | YES | NO |
| GA | GARUDA INDONESIA | A | 24 hours up to 4 hours before scheduled departure | NO | NO |
| H9 | HIMALAYA AIRLINES | H | NIL | NIL | NIL |
| IA | IRAQI AIRWAYS | L | NIL | NO | NO |
| JL | JAPAN AIRLINES | J | 72 hours up to 1 hour before scheduled departure | NO | NO |
| KE | KOREAN AIR | H | 48 hours up to 1 hour before scheduled departure | NO | YES |
| JT | LION AIR | A | 24 hours up to 4 hours before scheduled departure | NO | NO |
| 8L | LUCKY AIR | K/L | NIL | NO | NO |
| W5 | MAHAN AIR | F/M | 24 hours up to 90 minutes before scheduled departure | NO | NO |
| MH | MALAYSIA AIRLINES | A/B/C/D/F/L | 48 hours up to 90 minutes before scheduled departure | YES | YES |
| OD | MALINDO AIR | A/F/G/L | 48 hours up to 4 hours before scheduled departure | NO | NO |
| RA | NEPAL AIRLINES CORPORATION | A | NIL | NO | NO |
| WY | OMAN AIR | M | 24 hours up to 90 minutes before scheduled departure | YES | NO |
| PK | PAKISTAN AIRLINES | H | NIL | NO | NO |
| PK | PHILIPPINE AIRLINES | H/J | 24 hours up to 1 hour before scheduled departure | NO | NO |
| QR | QATAR AIRWAYS | K | 24 hours before scheduled departure | YES | NO |
| RX | REGENT AIRWAYS | K | NIL | NO | NO |
| BI | ROYAL BRUNEI | G | 24 hours up to 1 hour before scheduled departure | YES | NO |
| KL | ROYAL DUTCH AIRLINES | J | 30 hours up to 1 hour before scheduled departure | NO | YES |
| RJ | ROYAL JORDANIAN | H | 24 hours up to 4 hours prior to scheduled departure | NO | NO |
| SV | SAUDIA AIRLINES | K | 24 hours up to 30 minutes before scheduled departure | NO | YES |
| FM | SHANGHAI AIRLINES | K/L | NIL | NO | NO |
| ZH | SHENZHEN AIRLINES | J | NIL | NO | NO |
| MI | SILK AIR | L | 48 hours up to 90 minutes before scheduled departure | YES | NO |
| SQ | SINGAPORE AIRLINES | L | 48 hours up to 90 minutes before scheduled departure | YES | NO |
| UL | SRI LANKAN AIRLINES | M | 24 hours up to 2 hours before scheduled departure | YES | NO |
| TG | THAI INTERNATIONAL | F | 24 hours up to 1 hour before scheduled departure | NO | YES |
| WE | THAI SMILE | H | 24 hours up to 1 hour before scheduled departure | NO | NO |
| TK | TURKISH AIRLINES | F | 24 hours up to 90 minutes before scheduled departure | YES | YES |
| BS | US BANGLA AIRLINES | A | NIL | NO | NO |
| HY | UZBEKISTAN AIRWAYS | M | NIL | NO | NO |
| VJ | VIET JET AIR | M | 24 hours up to 1 hour before scheduled departure | NO | NO |
| VN | VIETNAM AIRLINES | H | 24 hours up to 2 hours before scheduled departure | YES | NO |
| MF | XIAMEN AIRLINES | G | NIL | NO | NO |
***Airlines that have Web Check-In at KLIA.
