Are overseas traffic charged more on AWS?

If your server sends data to the internet outside of your AWS region, you will be charged based on the data transfer out to internet rates for the AWS region where your server is located, regardless of the client's location. You can find data transfer rate in below document. https://aws.amazon.com/ec2/pricing/on-demand/?nc1=h_ls#Data_Transfer Running your server in the US region is the cheapest way to transfer data out to the internet.