Netflights is free and simple to use. You can view all 20 of the weekly flights to or via Washington DC, flown by four airlines. Having them all in one place makes it easy to compare prices and find the best deal for you.
Washington DC actually has two airports.
Searching by month is the best way to get a feel for the overall cost of flights throughout the year.
It's 927 km from Chicago to Washington DC, and the flight takes around 3 hrs 55 mins. Need somewhere to stay when you get there? You can add also accommodation and car hire to your Washington DC booking on Netflights.
