Snowboarding at the 2018 Winter Olympics – Women's big air
The women's big air competition of the 2018 Winter Olympics was held on 19 and 22 February 2018 at the Alpensia Ski Jumping Stadium in Pyeongchang, South Korea. The event made its Olympic debut.Qualification
The top 30 athletes in the Olympic quota allocation list qualified. This meant only a maximum of 30 could qualify across both events. A maximum of four athletes per National Olympic Committee was allowed. All athletes qualifying must also have placed in the top 30 of a FIS World Cup event or the FIS Freestyle Ski and Snowboarding World Championships 2017 during the qualification period and also have a minimum of 50 FIS points to compete. If the host country, South Korea at the 2018 Winter Olympics did not qualify, their chosen athlete would displace the last qualified athlete, granted all qualification criterion was met.Qualification
The top 12 athletes in the qualifiers moved on to the medal round.
| Rank | Order | Name | Country | Run 1 | Run 2 | Best | Notes |
| 1 | 14 | Anna Gasser | | 88.25 | 98.00 | 98.00 | Q |
| 2 | 12 | Yuka Fujimori | | 82.00 | 94.25 | 94.25 | Q |
| 3 | 11 | Reira Iwabuchi | | 80.00 | 92.75 | 92.75 | Q |
| 4 | 16 | Laurie Blouin | | 90.25 | 92.25 | 92.25 | Q |
| 5 | 7 | Zoi Sadowski-Synnott | | 72.75 | 92.00 | 92.00 | Q |
| 6 | 9 | Jamie Anderson | | 30.25 | 90.00 | 90.00 | Q |
| 7 | 15 | Miyabi Onitsuka | | 81.75 | 86.50 | 86.50 | Q |
| 8 | 5 | Sina Candrian | | 31.75 | 86.00 | 86.00 | Q |
| 9 | 6 | Julia Marino | | 83.75 | 85.25 | 85.25 | Q |
| 10 | 13 | Silje Norendal | | 76.00 | 77.50 | 77.50 | Q |
| 11 | 4 | Spencer O'Brien | | 69.50 | 76.75 | 76.75 | Q |
| 12 | 17 | Jessika Jenson | | 76.25 | 39.75 | 76.25 | Q |
| 13 | 24 | Jessica Rich | | 73.50 | 74.25 | 74.25 | |
| 14 | 3 | Hailey Langland | | 73.00 | 29.00 | 73.00 | |
| 15 | 19 | Carla Somaini | | 70.75 | 24.75 | 70.75 | |
| 16 | 10 | Enni Rukajärvi | | 68.75 | 49.75 | 68.75 | |
| 17 | 8 | Brooke Voigt | | 67.75 | 32.00 | 67.75 | |
| 18 | 26 | Elena Könz | | 62.00 | 65.75 | 65.75 | |
| 19 | 22 | Šárka Pančochová | | 65.50 | 30.00 | 65.50 | |
| 20 | 1 | Cheryl Maas | | 65.00 | 44.75 | 65.00 | |
| 21 | 18 | Sofya Fyodorova | | 64.00 | 23.25 | 64.00 | |
| 22 | 23 | Isabel Derungs | | 54.00 | 59.25 | 59.25 | |
| 23 | 21 | Klaudia Medlová | | 30.75 | 50.50 | 50.50 | |
| 24 | 25 | Asami Hirono | | 27.50 | 37.75 | 37.75 | |
| 25 | 2 | Aimee Fuller | | 25.00 | 14.25 | 25.00 | |
| 26 | 20 | Kateřina Vojáčková | | 19.00 | 10.50 | 19.00 | |
Final
The final was held on 22 February 2018.
| Rank | Start Order | Bib | Name | Country | Run 1 | Run 2 | Run 3 | Total | Notes |
| 12 | 1 | Anna Gasser | | JNS | 89.00 | 96.00 | 185.00 | |
| 7 | 2 | Jamie Anderson | | 90.00 | 87.25 | JNS | 177.25 | |
| 8 | 8 | Zoi Sadowski-Synnott | | 65.50 | 92.00 | JNS | 157.50 | |
| 10 | 13 | Reira Iwabuchi | | 79.75 | 67.75 | JNS | 147.50 | |
| 5 | 9 | Sina Candrian | | JNS | 76.25 | 64.00 | 140.25 | |
| 3 | 5 | Silje Norendal | | 70.50 | 61.00 | JNS | 131.50 | |
| 11 | 12 | Yuka Fujimori | | 82.25 | 40.50 | JNS | 122.75 | |
| 6 | 7 | Miyabi Onitsuka | | 78.75 | JNS | 40.25 | 119.00 | |
| 2 | 6 | Spencer O'Brien | | 51.25 | JNS | 62.00 | 113.25 | |
| 4 | 4 | Julia Marino | | JNS | 74.50 | 18.75 | 93.25 | |
| 1 | 20 | Jessika Jenson | | JNS | 21.50 | 19.00 | 40.50 | |
| 9 | 10 | Laurie Blouin | | JNS | 39.25 | DNS | 39.25 | |
