Kayak sent me to priceline. Often I book on the airline itself but I said "why not just do it on priceline." I found out why. Virgin Australia has various levels of tickets... saver light, saver, etc. Priceline did NOT distinguish or give me a choice, they just put one of my legs on saver light and one on saver. Thing is, the saver light has no baggage option (and carry on is a max of 15 pounds... I am traveling from the U.S. I need clothes, etc.). Neither priceline or the airline would do anything... well for a $80 x 2 fee they would. So instead of paying $10 for saver with baggage I am paying $35 x2 to be able to take luggage.