What is an easy & cheap way to travel from Dublin to Manchester?

I thought that flights would be relatively cheap, but when I looked up prices, it said it would be about 500 euros. Seems pretty steep when flights from England to Paris are about 50-60 eu.

What is a VPN?

VPN is (Virtual Private Network) were first used by companies to enable their employees to securely access internal systems such as email remotely (e.g. from home or while on business trips). Today they are increasingly being used for personal use by individuals to protect their privacy while online in public places (e.g. when using the wi-fi connection in a cafe) or in a country where the internet is censored / blocked (e.g. China, Saudi Arabia…).