Question : Will you do what it takes to get the absolute cheapest flight?
Answer : The best day to fly on a budget this month is Tuesday. Flexibility is paramount when booking travel plans in order to keep costs down.
Question : Do prices fluctuate more for this route than others?
Answer : Prices for ZRH to LGA do change a lot more than most routes. Remember, the sooner you book, the more you're able to save.