Sites that let you search far future dates

[Shanna-like-Banana]

I'm looking for sites that let you search far future dates for car rentals

My Girl Scout troop is in the midst of getting our final budget together. I'm looking for sites that the girls can look up car rentals for far future dates, NEXT summer.

We know our dates ( either June 6th-15th OR June 13-22 2014)
If there is a signifigant price difference we can work with either of those two weeks.

We know that we will need a FULL size SUV, something that seats 7 or 8 and still has a full size luggage in the back. Like a full size Suburban or Yukon XL.

The drivers are less keen on driving something like a full size conversion van.

Council guideline states vehicle can not seat more than 15 passengers, so no "daycare" or "church" size vans either.

Also, I have USAA, so we're counting on some sort of discount in the price.

From Columbia, SC to Disney, stopping in St. Aug. and Savannah on the way back.

 

[lost*in*cyberspace]

No site lets you search for dates not yet released by the car rental companies. You'll just have to wait, although you can look at prices this June for a rough price estimate.

I rarely use USAA for car rentals; they aren't that great, although you can sometimes get extras like another driver for free.