With orders of $25 or more, Mary's-Market via Amazon offers Prime members the Schiffs MegaRed Plant-Omega-3 30-Count Softgels for $8.88. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping starts at around $5.) Outside the price below, that's the lowest total price we could find by $15. These softgels provide a fish-free, plant source of Omega-3.

Note: This item is part of Amazon's "Add-on program;" it can only be purchased with an order of $25 or more.

A close price: Shnoop has them for $10.99 with free shipping via coupon code "S6Mi6ds2".