Developed by world-renowned scientists. Based on the latest sleep and circadian neuroscience. Used by astronauts and elite athletes. With Timeshifter, you can create your own personalized jet lag plans and arrive at your best.

How To Fly To All Countries is a way to find out how much your plan to visit the world will cost and what's the best route. It is better suited as tool for early planning of long round the world journeys. It is not meant to replace a flight search site.