We've made it easier for you to find a cheap deal, by finding all the flights from Washington DC Washington Dulles International Airport to Chicago O'hare International Airport. We've put them all in one place so you can compare you options. The cheapest airline to fly with is usually Alaska Airlines, but it's best to check them all to make sure you're getting a good deal.
The most popular airlines to fly with are Alaska Airlines, but they're not always the cheapest. If you want a bargain, try widening your search to include other airports in Chicago and more flights.">There are three direct and indirect flights between Washington DC Washington Dulles International Airport and Chicago O'hare International Airport every week, but the prices vary throughout the year. You can expect prices for both flights and accommodation to be much higher in Chicago during peak season. So, if you're planning to go during the holidays, it's best to book well in advance.
Did you know you can compare accommodation prices too? If you need somewhere to stay in Chicago, take a look at our hotel options to get an idea of prices.