Harbor Freight Weekly Ad (4/8/24 – 4/15/24) Flyer! 3 Ads Available. Harbor Freight Ad 03/10/24 – 04/11/24 Click and scroll down. Harbor Freight Ad 03/25/24 – 04/11/24 Click and scroll down. Harbor Freight Ad 04/08/24 – 04/15/24 Click and scroll down. More Weekly Ads Get The Early Ad Sent To Your Email (CLICK HERE) !