| Final 19:00 | time | | L | React. | Q | bib | | 1. Salwa Eid Naser |  Bahrain | 50.09s | GR | 5 | 0.156 | 1. | 115 | | 2. Hima Das |  India | 50.79s | NR | 3 | 0.161 | 2. | 299 | | 3. Elina Mikhina |  Kazakhstan | 52.63s | | 1 | 0.206 | 3.q | 497 | | 4. Nirmala Sheoran | India | 52.96s | | 4 | 0.277 | 1. | 310 | | 5. Huang Guifen |  China | 53.89s | | 8 | 0.201 | 7. | 158 | | 6. Tong Zenghuan | China | 53.95s | | 7 | 0.296 | 2. | 173 | | 7. Iman Essa Jasim | Bahrain | 54.19s | | 6 | 0.158 | 5. | 128 | | 8. Nguyễn Thị Hằng |  Vietnam | 54.30s | PB | 2 | 0.175 | 8.q | 842 |
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| Venue: Gelora Brung Karno Stadium | | Indonesian Western Standard Time (UTC) +7. | | Heats |
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| World Record: Marita Koch (GDR) 47.60 Canberra, Australia, 6 October 1985 | | Asian Record: Salwa Eid Naser (BRN) 49.08s Fontvieille, Monaco, 20 July 2018 | | Games Record: Kemi Adekoya (BRN) 51.11s Incheon, South Korea, 27 September 2014 |
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Heats - Saturday 25 August 20:35 | | First 2 and best 2 advanced to Final. 3 Heats with 18 athletes. |
| Ranking | time | | L | Rk. | | 1. Salwa Eid Naser | Bahrain | 50.86s | Q, GR | | 1. | | 2. Hima Das | India | 51.00s | Q, NR | | 2. | | 3. Elina Mikhina | Kazakhstan | 53.75s | q | | 3. | | 4. Dewi Ayu Agung Kurniayanti |  Indonesia | 56.09s | SB | | 10. | | 5. Supanich Poolkerd |  Thailand | 56.62s | | | 13. | | 6. Aishath Himna Hassan |  Maldives | 1:00.59 | | | 15. |
| Ranking | time | | L | Rk. | | 1. Iman Essa Jasim | Bahrain | 54.10s | Q | | 5. | | 2. Huang Guifen | China | 54.30s | Q | | 7. | | 3. Nguyễn Thị Hằng | Vietnam | 54.99s | q | | 8. | | 4. Lyubov Ushakova | Kazakhstan | 56.00s | | | 9. | | 5. Kristina Pronzhenko |  Tajikistan | 56.59s | | | 12. | | 6. Dana Salah Al-Shehri |  Saudi Arabia | 1:06.33 | | | 17. |
| Ranking | time | | L | Rk. | | 1. Nirmala Sheoran | India | 54.09s | Q | | 4. | | 2. Tong Zenghuan | China | 54.29s | Q | | 6. | | 3. Sri Maya Sari | Indonesia | 56.47s | | | 11. | | 4. Sumi Aktar |  Bangladesh | 57.16s | PB | | 14. | | 5. Rawiwan Pratike | Thailand | 1:00.78 | | | 16. | | 6. Hanin Wakil Ghaleb Thabit |  Yemen | 1:05.79 | | | 17. |
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