Cheap flights from Belfast to Washington Dulles Intl

Departing on a Sunday is a good option for securing a great price. You can expect to save up to 50% when planning your travel around this day of the week.

Travellers have found it’s best to book a flight 61 days in advance to save up to 20% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 61 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Belfast to Washington Dulles Intl 1-2 weeks in advance for as low as £459, or £481 for flights within the next 24 hours.

Flights from Belfast to Washington Dulles Intl lean towards being more expensive in July. Prices are generally better when you fly from Belfast to Washington Dulles Intl in February, with the cheapest ticket starting at £293.

One of the essential ways to save on airfare from Belfast to Washington Dulles Intl is to remain as flexible as possible. Flights that are in the midday tend to be the most expensive. If a flight is in the morning is possible it can save you up to 16% on airfare.