Book cheap flights from Chicago to Philadelphia with Netflights. If you can’t find what you’re looking for, simply adjust the filters to widen your search.
But when you fly is just as important as where you fly from. Search by month to find out when flights are at the priciest and their cheapest.
Another way to get a cheap flight is to book last minute – but this does mean you may not be able to get the exact flights you want.
You can also compare the prices of hotels and hire cars for your stay in the USA. Simply use the tabs above, or add them to your booking once you’ve chosen your flight.