Lately when Ubers are booked far in advance, they have been given high prices. Of course prices for these things vary, but it's always best to go for the lowest price possible depending on how you are with money. It wasn't always like this, so things with booking Ubers for in advance should start being more like they were prior to sometime last year when this all started to the point where those booked in advance could even be less then 30 minutes prior.