We've scanned every flight from Philadelphia to Chicago to find the best deals. If you want a cheap flight, it's best to be as flexible as you can on dates. If that day's no good for you, try searching by month to see some alternative dates.
Chicago Midway Airport is just one of the airports in Chicago. If you're not set on a specific airport, try changing your search from Chicago Midway Airport to Chicago to see a broader range of flights – they might be cheaper.
Keep your eye out for flights
You can expect accommodation prices to be higher at this time of year too. Last-minute deals do crop up, but it's best to book everything in advance to avoid disappointment.