Question : How many days should you spend in Frankfurt if you're flying in from Green Bay?
Answer : The average time spent in Frankfurt by passengers flying from GRB is 22 days.
Question : Is price more important than specific travel days for you?
Answer : For the month of February, the cheapest day to fly is Thursday. Flexibility is paramount when booking travel plans in order to keep costs down.
Question : Do prices change more for this route than others?
Answer : Prices are fluctuating a lot more for this route than most routes. However, the sooner you book, the better price you tend to get.