Users have found that leaving on a Sunday can be a cost-effective option. It’s possible to save up to 56% on your flight compared to booking on days when demand is much higher.
When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 34 days in advance, which can save you up to 27% on flights from Belfast International to Washington Dulles Intl compared to booking the week you need them. Waiting 34 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £547. For sooner than that we have options available in the next 3 days from £639.
The best pricing can be found in the month of February. Prices to Washington Dulles Intl from Belfast International average £501. You can even find prices in February for less than £501, as users have found deals to Washington Dulles Intl from as low as £335. The month of July appears to be one of the more expensive times to travel to Washington Dulles Intl from Belfast International. Flying in the targeted month can save you up to 21%.
When flying from Belfast International to Washington Dulles Intl, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 2% versus a flight at midday.
At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Belfast International and Washington Dulles Intl for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.
British Airways is one of the carriers that may have flexible change policies. You can use our site to filter for other airlines that may also have this kind of flexibility.
Yes, there are multiple flights from Belfast International to Washington Dulles Intl for under £523. The cheapest flight booked recently is on Multiple Airlines for just £509, but on average you can expect to pay £544.
There are no direct flights from Belfast International to Washington Dulles Intl, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.
Expected rainfall in Belfast International is same as in Washington Dulles Intl. You can expect this to be the case over the next 25 days.
Temperatures around the 31 °Cs can be experienced in July. The weather in Washington Dulles Intl is hotter than in Belfast International. Plan for potential changes in flight availability as peak weather approaches in this location.