Dine at IHOP® on Hwy K in O’ Fallon, the home of pancakes and delicious breakfast, lunch & dinner near you with breakfast delivery, breakfast takeout and catering available. View hours, specials or order online. Hours of operation: Monday 6:00AM to 12:00AM Tuesday 6:00AM to 12:00AM Wednesday 6:00AM to 12:00AM Thursday 6:00AM to 12:00AM Friday 6:00AM to 2:00AM Saturday 6:00AM Read more...