Today is November 27, 2016. If you’re considering a season pass, you have until December 4, 2016, according to the Breckenridge website. The Summit Value Pass is probably your best bet if you just want to stay at Breckenridge, Keystone and A-Basin. But check out the restricted days in Breckenridge before you buy. This pass is roughly equivalent to a 5 of 7 day ticket. If you’re going to be on the mountain at least 5 days, but potentially more, this is probably the best pass for you. It also lets you get some ski-with-a-friend tickets so one person could get one pass and the other person you’re travelling with could use your ski-with-a-friend.
Breckenridge has a ton of options, but you do need to buy the passes by December 4 if you want to get the best discount.
There is also an Epic 4-Day pass which might be a good deal for you if you’re going to be going up on the mountain for just a few days.
The whole point is that you need to decide quick and get your pass by December 4 if you’re interested.