DealGenius offers the Energizer Pro LED Swivel Flashlight for $12 with free shipping. That's tied with yesterday's expired mention and the lowest total price we've seen. (It's a current price low by $7.) It features 100 lumens of brightness, four lighting modes, belt clip, 130 degree swivel, and is both impact- and water-resistant.
As one of its daily deals, Deal Genius offers the Skil Mini 2-in-1 LED Keychain Flashlight / Lantern 7-Pack in assorted colors for $6 with free shipping. That's $14 off and the lowest total price we could find. Each features a pull-down top to convert it from a flashlight to lantern. Batteries are included.