Let’s dive into influencer marketing campaign costs, so you can start planning your very own influencer marketing campaign. Approximate average cost per post (all channels): $5,497Estimating Your Influencer Marketing Campaign Cost by ChannelFrom these figures, it’s clear that the influencer marketing industry is worth a lot of money—$17.4B in 2023, according to industry insiders. In 2021, the average cost of an Instagram post was $1,170 and the average cost of an Instagram story was $906. Mentions Influencer mentions are one of the most straightforward influencer marketing campaigns available. How to Estimate Your Campaign CostNow you know what options you have, you need to work out how much your influencer marketing campaign is going to cost.