Using Netflights, you can compare different flights from Orlando to Washington DC Washington Dulles International Airport. But if you can’t see the dates you want, or the prices are too high, try broadening your search. Washington DC Washington Dulles International Airport is just one of the airports in Washington DC, so it's worth considering other options.
You could also try searching by month, if you're flexible on dates. This will show you when prices are at their cheapest and their most expensive. Generally speaking, the earlier you book, the better deal you'll get.
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.