1-844-414-9223 If you are planning to fly on the eve of Halloween, then it can be an excellent idea, as many flyers have already reached destinations in order to celebrate the festival with their friends and family. Tuesdays and Wednesdays are the cheapest days of the week. So, you can book your Halloween flights these days. If you require detailed information on these airlines, you can explore them at FlyoStudio. There you will find elaborate information on each airline.