Your flight from Philadelphia to Chicago should take about 3 hrs 30 mins. We've gone through all 17 of the weekly flights to or via Chicago, operated by four airlines, to help you compare flight prices and times. At the moment, the cheapest flight is £608.
Or, if you're fairly flexible on dates, try to get a last minute-deal by regularly checking the Netflights website.
Chicago actually has one airports – but Chicago O'hare International Airport is normally the cheapest one to fly into. If you're not sure who to fly with from Philadelphia, you might like to know that American Airlines is the most popular airline for this route.
If you can’t quite find what you’re looking for, try checking flight prices to other cities in the USA.
