REI offers the Nitecore SENS AA2 LED Flashlight for $32.93 with free shipping. That's the lowest total price we could find by $4. It features 170 lumens of brightness, a 226-foot beam of light, active dimming technology, and up to 37 hours of continuous light. Two AA batteries are required (not included).
Home Depot offers the Ryobi TEK4 5-watt Flashlight, model no. RP4450LK, for $29.97 plus $5.99 for shipping. (In-store pickup is also available.) That's $20 off and tied with our October mention as the lowest total price we could find. It's dust- and waterproof and features a 220-lumen output.
Barska via Newegg offers the Barska 1,200 Lumen FLX High Power Tactical Flashlight, model no. BA11630, for $79.99 with free shipping. That's $10 under our May mention and the lowest total price we've seen. (It's also a current price low by $19, although most merchants charge $110 or more.) This water-resistant and fog-proof LED flashlight puts out 12 watts and runs on rechargeable batteries (included with battery charger).
Costco offers its members the Techlite Lumen Master 500-Lumen LED Flashlight, model no. TC43, for $36.97. (Non-members pay $1.85 more.) With free shipping, that's $13 under yesterday's mention and the lowest total price we could find by $13. It features high/low/emergency strobe functions, weather and shock resistance, polycarbonate lens, and requires three C cell batteries (not included.)
For in-store pickup only and with stock varying by ZIP code, Home Depot offers the Defiant 100-Lumen LED Headlamp 2-Pack, model no. HD12OTB52, for $9.88. That's $4 under the best shipped price we could find for two similar headlamps elsewhere. Each headlamp features up to seven hours of battery life, an impact-resistant ABS case, and requires three AAA batteries (included).