ALOT! It goes by weight, plus charges for Express Delivery. It would be best to get the weight and check with the post office.
You can go online to the USPS and calculate based on box size, weight, and zip code. Remember it has to be in a bio poultry shipping box and needs to be express shipping. I had 4 - 3 lb birds shipped to me in California from South Carolina and it was about $ 90.00 plus box. Lanae