We've gone through lots of different flights, to help you find the cheapest way to get from London Heathrow to Cayenne. You can choose from zero airlines. At the moment, 01 / Nov / 2023 is the cheapest date to travel, but scroll through the results to find the option that works best for you.
If you can't find a flight time that suits you, why not look at flying out from a different airport?
The distance between London Heathrow to Cayenne is 7049 km. You can see the various flight times in the results.
Searching by month, for instance, will show you the best time of the week to fly.