When flying from Washington, D.C. Dulles Intl Airport to Belfast Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
The best pricing can be found in the month of November. Prices to Belfast Intl Airport from Washington, D.C. Dulles Intl Airport average $828. You can even find prices in November for less than $828, as users have found deals to Belfast Intl Airport from as low as $532. The month of January appears to be one of the more expensive times to travel to Belfast Intl Airport from Washington, D.C. Dulles Intl Airport. Flying in the targeted month can save you up to 48%.