---
title: Why Do Planes Fly So High? — HIGH T3CH
url: https://hight3ch.com/why-do-planes-fly-so-high/
date: 2015-07-21
---

# Why Do Planes Fly So High?

We’ve all been flying high ever since the development of the jet engine in the mid-1950s. But why were jets were designed to fly at those high altitudes in the first place?