| Final 18:21 | time | | L | | 1. Yui Ohashi |  Japan | 4:34.58 | | 4 | | 2. Kim Seo-yeong |  South Korea | 4:37.43 | | 2 | | 3. Sakiko Shimizu | Japan | 4:39.10 | | 3 | | 4. Zhou Min |  China | 4:42.75 | | 5 | | 5. Nguyễn Thị Ánh Viên |  Vietnam | 4:42.81 | | 6 | | 6. Yang Chang | China | 4:47.24 | | 7 | | 7. Lam Hoi Kiu |  Hong Kong | 4:55.42 | | 8 | | 8. Azzahra Permatahani |  Indonesia | 4:58.89 | | 1 |
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| Venue: GBK Aquatic Center. |
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Heats - Tuesday 21.08 Morning session 09:21 |
| Ranking | time | | L | H | | 1. Yui Ohashi | Japan | 4:42.11 | Q | 4 | 2 | | 2. Zhou Min | China | 4:42.83 | Q | 3 | 2 | | 3. Sakiko Shimizu | Japan | 4:45.88 | Q | 5 | 1 | | 4. Nguyễn Thị Ánh Viên | Vietnam | 4:47.56 | Q | 4 | 1 | | 5. Kim Seo-yeong | South Korea | 4:48.59 | Q | 5 | 2 | | 6. Yang Chang | China | 4:53.56 | Q | 3 | 1 | | 7. Azzahra Permatahani | Indonesia | 4:53.58 | Q | 7 | 1 | | 8. Lam Hoi Kiu | Hong Kong | 4:58.54 | Q | 2 | 2 | | eliminated in Heats | | 9. Mai Thị Linh | Vietnam | 5:03.65 | | 7 | 2 | | 10.Karen Liu | Hong Kong | 5:04.00 | | 6 | 1 | | 11.Elizaveta Rogozhnikova |  Kyrgyzstan | 5:12.47 | | 2 | 1 | | -. Ressa Kania Dewi | Indonesia | DNS | | 6 | 2 |
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