To help you find the best deal, we've gathered all the flight options from Belfast to Washington DC Washington Dulles International Airport. Look out for British Airways flights – they usually have the lowest prices. If you can’t find what you're looking for, try widening your search to include the other airports in Washington DC.
We compare every airline that flies from Belfast to Washington DC, so that you can find the best value flights. The most popular airlines are British Airways & Austrian Airlines. Between them, they cover five flights every week from Belfast to or via Washington DC. The 5441 km journey usually takes around 11 hrs 40 mins.
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.
We don't just compare flight prices. If you need to book accommodation for your trip, or you want to hire a car to explore the USA, we've got some options for you to compare. Plus, when you sort your flights and hotel in one booking, you could save even more.