If you want a cheap flight from Jersey to London, you've got one airlines to choose from.
Make sure you use the search options above to search for flights to other airports in London, not just London Gatwick. The more options you look at, the better your chance of finding a cheap deal. Just so you know, the flight typically takes 5 hrs 20 mins.
There are about one flights to or via London every week, so you have plenty of options. The cheapest month of the year to fly to London is September.
August tends to be the most expensive time of the year to fly to London. During this peak season, accommodation prices often increase too, so it's best to book early. Or you could keep your fingers crossed and hold out for a last-minute deal.