Question : Looking for the cheapest flight over the next 30 days?
Answer : As of January 16th, the best day for deals to Tucson (TUS) from Saint Louis (STL) is February 6th. Bookings have been made roughly 27% below the average price for this route.
Question : How long are most people's visits to Tucson when they fly in from Saint Louis?
Answer : Of course you're not most people, but if you were, you'd stay roughly seven days.
Question : Is price more important than specific travel days for you?
Answer : For the month of February, the cheapest day to fly is Tuesday. Having flexibility in your travel plans means you can save, so be sure to plan ahead when possible.
Question : Are prices changing frequently for this route?
Answer : Prices are fluctuating much more for this route than most routes. Prices tend to be lower the further out you book.