Amazon offers Prime members the TCP 65-watt Equivalent LED Flood Light Bulb 6-Pack in Daylight, model no. LBR301050KND6, for $30.59 with free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $7.84.) That's the lowest total price we could find by $5, although we saw it for $2 less in August.

Of note, it's also available in Soft White for $31.30 with free Prime shipping.