We’ve mentioned it the moment, and we’ll say it as often times as is important—the greater demand, the higher the fare (even for first class). Wanting into alternate airports can significantly reduced charges, especially when flying from or into a smaller sized hub with less flights. There's usually a energetic discussion https://businessflightshop.co.uk/blog/board-a-flight-to-canada-from-uk-know-the-finest-accommodation-in-bromont/