Question : What is the cheapest day to fly in the next four weeks?
Answer : Since low prices are preferred, look at Jul 1st. As of Jun 26th, it's showing the cheapest ticket sales at $818. That is 41% below the average price for this route, so you can spend that extra cash on a fun experience in Belfast.
Question : How long do most people visit Belfast?
Answer : Of course you're not most people, but if you were, you'd stay roughly eight days.
Question : If your plans are flexible, have you considered changing your departure day?
Answer : The best day to fly on a budget this month is Saturday. Flexibility is paramount when booking travel plans in order to keep travel costs down.
Question : Are you paying the cheapest or highest price for your ticket to Belfast?
Answer : Flight prices fluctuate a lot more than most routes from the United States for IAD to BFS. They vary anywhere from $708 to $2,828. However, the sooner you book, the more you'll be able to save.