Average Obamacare premiums are $1,403 a month in 2019 for families of four who don’t receive subsidies, and total combined premiums with deductibles top $25,000 a year, the online health insurance broker eHealth Inc. reported July 16.

Even with the high prices, average individual and family deductibles decreased, according to the report, which is based on the 2019 open enrollment period that took place in late 2018. The average individual deductible decreased 6 percent for 2019 to $4,320, and the average family deductible decreased 8 percent to $8,071, it said. eHealth, based in Santa Clara, Calif., sells plans that...