International shipping prices will vary depending on many different things, such as where you are shipping from, where you are shipping to, the size of the parcel, the weight of the parcel, the carrier you are using to ship, etc. It is hard to give an estimated price. Your best to go to your shipping carrier's website and look at rates through them and then keep in mind when you buy your shipping labels through Shopify, you do get a discounted rate.
Please let me know if you have any further questions! I would love to learn more about your business. What type of products do you sell?
Emily | Social Care @ Shopify - Was my reply helpful? Click Like to let me know! - Was your question answered? Mark it as an Accepted Solution - To learn more visit the Shopify Help Center or the Shopify Blog