Communicating healthcare costs to patients is an important component of delivering high-quality value-based care, yet cost data are lacking. This is especially relevant for ovarian cancer, where no clinical consensus on optimal first-line treatment exists. The objective of this study was to generate cost estimates of different primary management strategies in ovarian cancer. All women who underwent treatment for ovarian cancer from 2006-2015 were identified from the MarketScan database (n=12,761) in this observational cohort study. Total and out-of-pocket costs were calculated with the use of all claims within 8 months from initial treatment and normalized to 2017 US dollars. The generalized linear model method was used to assess cost by strategy. Among patients who underwent neoadjuvant chemotherapy and those who underwent primary debulking, mean adjusted total costs were $113,660 and $107,153 (P<.001) and mean out-of-pocket costs were $2519 and $2977 (P<.001), respectively. Total costs for patients who had intravenous standard, intravenous dose-dense, and intraperitoneal/intravenous chemotherapy were $105,047, $115,099, and $121,761 (P<.001); and out-of-pocket costs were $2838, $3405, and $2888 (P<.001), respectively. Total costs for regimens that included bevacizumab were higher than those without it ($171,468 vs $104,482; P<.001); out-of-pocket costs were $3127 vs $2898 (P<.001). Among patients who did not receive bevacizumab, 25% paid ≥$3875, and 10% paid ≥$6265. For patients who received bevacizumab, 25% paid ≥$4480, and 10% paid ≥$6635. Among patients enrolled in high-deductible health plans, median out-of-pocket costs were $4196, with 25% paying ≥$6680 and 10% paying ≥$9751. Costs vary across different treatment strategies, and patients bear a significant out-of-pocket burden, especially those enrolled in high-deductible health plans.