Fast Cover Travel Insurance is so far the cheapest, and most affordable travel insurance I found online. Help out your family & friends Once you've purchased and saved $5, you'll also have the opportunity to help out your family and friends by sharing a unique $5 discount for them. On the confirmation page underneath your policy details, you'll find details of how you can share the $5 discount on social media such as Facebook or Twitter and an option to email the discount as well. Fast Cover Friend Referral Program