To help you find the best deal, we've gathered all the flight options from Chicago to Washington DC Washington Dulles International Airport. If you can’t find what you're looking for, try widening your search to include the other airports in Washington DC.
Prices can change though, so it's best to check Netflights regularly – we recommend booking at least two months in advance to get a good deal.
Found your flights? Select the ones you want, then go through to the next stage to complete your booking. If you'd like to add car hire or a hotel for your trip to the USA, you can do that too – simply use the tabs at the top of the page.