Check your local Costco Flyer Savings, valid January 4 – January 17, 2021. Save with this week Costco Specials, and weekly flyer deals & offers. Save even more with the Capital One Mastercard for Costco members, that also can be used as your membership card, and has no annual fee. Earn cash back every time you pay with this card, 3% back on restaurant purchases, 2% back on gas purchases and 0.5% on the first $3,000 you spend annually on all other purchases, and 1% after that. Costco Flyer Savings for Ontario, New Brunswick, Newfoundland and Labrador, Nova Scotia, British Columbia, Alberta, Saskatchewan, Manitoba, and Quebec.