Phila Flea Markets Organize The Largest Indoor/Outdoor Flea Markets In Center City Philadelphia As Well As The Main Line. Our Outdoor Markets Travel To Various Neighborhoods Throughout Those Neighborhoods Twice A Year, Once In The Spring And Once In The Fall. Our Indoor Markets Selected Saturdays & Sundays, November thru March (See Our Schedule – Above) At Penns Landing Caterers In South Philly Featuring A Wide Variety Of Merchandise But With An Accent On Antiques & Vintage! Also, Every Sunday April thru November Outdoors At The Roosevelt Mall, 2345 Cottman Ave, Phila, PA 19149. All Markets Are Handicap Accessible!