Amazon has the Under Armour Team Hustle 3.0 Backpack (1306060-P) for $30 with free shipping. Features holds up to 15" MacBook Pro or similarly sized laptop, water-repellent front, adjustable HeatGear shoulder straps, 2 side water bottle pockets.
Kohls is offering 60% to 70% off Luggage Closeouts including a selection of spinners and carry-ons. Prices are as marked. Shipping adds $8.95 or get free shipping on $75+. Free in-store pickup is also available.