Question : How long do most people stay in Saint Louis when they fly in from Frankfurt?
Answer : Over the next two months, travelers from FRA to STL are planning on staying for 10 days on average.
Question : Would you be willing to change your travel days if it saved you money?
Answer : The lowest-cost day to fly in February is Thursday. Having flexibility in your travel plans means you can save, so be sure to plan ahead when possible.
Question : Do prices change more for this route than others?
Answer : Prices for FRA to STL do change a lot more than most routes. Remember, you can save by booking further in advance.