| Obsidian | 2 | $69 | 6 | Fri, 11/6/2026 8:00 PM EST in Phoenix, AZ |
| October Fest | 1 | $68 | 7 | Sat, 10/3/2026 7:00 PM EST in Lincoln, NE |
| Odies Beach Vacation | 2 | $824 | 1 | Thu, 10/1/2026 11:59 PM EST in Miramar Beach, FL |
| Oktoberfest Leavenworth | 6 | $78 | 6 | Fri, 10/2/2026 11:59 PM EST in Leavenworth, WA |
| Oktoberfest Nation | 9 | $61 | 1 | Thu, 10/1/2026 11:59 PM EST in Chicago, IL |
| Oktoberfest Northwest | 5 | $62 | 3 | Fri, 10/9/2026 12:00 PM EST in Puyallup, WA |
| Old Settlers Music Festival | 4 | $367 | 13 | Fri, 4/16/2027 11:59 AM EST in Driftwood, TX |
| Omaha Holiday Boutique Show | 1 | $16 | 4 | Fri, 11/13/2026 12:00 AM EST in Omaha, NE |
| Onefest | 2 | $120 | 8 | Fri, 7/30/2027 11:59 AM EST in Cadott, WI |
| Opry NextStage | 1 | $61 | 7 | Mon, 12/7/2026 7:00 PM EST in Nashville, TN |
| Orange Blossom Revue | 3 | $372 | 5 | Fri, 12/4/2026 11:59 PM EST in Lake Wales, FL |
| Orland Pre Pre Fest | 1 | $86 | 1 | Wed, 10/21/2026 3:30 PM EST in Orlando, FL |
| Orlando Renaissance Festival | 6 | $74 | 4 | Sat, 12/5/2026 10:00 AM EST in Orlando, FL |
| Orlando Steelpan Festival | 1 | $32 | 0 | Sat, 5/29/2027 3:00 PM EST in Orlando, FL |
| Osheaga Music and Arts Festival | 1 | $396 | 14 | Fri, 7/30/2027 10:59 AM EST in Montreal, QC |
| Otter Fest | 1 | $104 | 0 | Sat, 10/17/2026 10:00 AM EST in Greenfield, NH |
| Outermost Roots and Blues Festival | 1 | $154 | 2 | Sat, 10/10/2026 12:00 PM EST in Orleans, MA |
| Outside Lands Music and Arts Festival | 3 | $972 | 14 | Fri, 8/6/2027 11:59 AM EST in San Francisco, CA |
| Oyster Riot XVI | 1 | $465 | 0 | Sat, 11/21/2026 7:00 PM EST in Washington DC, DC |
