| IATA | ICAO | Name | City | Type |
|---|---|---|---|---|
| - | UIIB | Belaya Air Base | Usolye-Sibirskoye | Small Airport |
| ODO | UIKB | Bodaybo Airport | Bodaybo | Small Airport Scheduled |
| BTK | UIBB | Bratsk Airport | Bratsk | Medium Airport Scheduled |
| - | RU-0451 | Chistyy Airport | Chistyy | Small Airport |
| - | UIBE | Erema Airfield | Erema | Heliport |
| IKT | UIII | Irkutsk International Airport | Irkutsk | Medium Airport Scheduled |
| - | RU-0036 | Irkutsk Northwest Airport | Irkutsk | Medium Airport |
| - | UITK | Kazachinskaya Airport | Kazachinskaya | Small Airport |
| - | RU-0762 | Khamakar Airport | Khamakar | Small Airport |
| - | UIIH | Khuzhir Airport | Khuzhir, Olkhon Island | Small Airport Scheduled |
| KCK | UIKK | Kirensk Airport | Kirensk | Small Airport |
| - | RU-0453 | Krivolutskaya Airport | Karakhun | Small Airport |
| - | UIKM | Mama Airport | Mama | Small Airport |
| - | RU-0761 | Nakanno Airport | Nakanno | Small Airport |
| - | UINN | Nizhneudinsk Airport | Nizhneudinsk | Small Airport |
| - | RU-0468 | Oktyabrskiy Airport | Oktyabrskiy | Small Airport |
| - | RU-0276 | Oyok Airfield | Irkutsk | Small Airport |
| - | RU-0452 | Priboynyy Airport | Priboynyy | Small Airport |
| - | UIKX | R-201 Chonskaya Heliport | Chonskaya | Heliport |
| - | RU-0643 | Tulun Heliport | Tulun | Heliport |
| UIK | UIBS | Ust-Ilimsk Airport | Ust-Ilimsk | Small Airport |
| UKX | UITT | Ust-Kut Airport | Ust-Kut | Medium Airport Scheduled |
| - | RU-10018 | Ust-Ordynskiy Airport | Ust-Ordynskiy | Closed Airport |
| ERG | UIKE | Yerbogachen Airport | Erbogachen | Small Airport |
| - | UIBV | Zheleznogorsk Airport | Zheleznogorsk-Ilimsky | Medium Airport |
| - | UIIV | Zhigalovo Airport | - | Small Airport |