At the moment, there are one airlines flying to Doha. Go through the results to find the right flights for you – you can adjust the filters to see find even more flights to Doha.
Qatar Airways is the most popular airline that flies from London Stansted to Doha. But it's still worth looking at other options, as there are one flights to Doha every week. If you want to broaden your search, look at flights departing from other airports.
Generally speaking, the flight from London Stansted to Doha takes around 13 hrs 50 mins. The fastest flight takes 13 hrs 50 mins to cover the 5208 km distance. You can view all flight times yourself in the results list.
If you want to travel in April, it's best to book your flights early, as this is peak season in Doha. The cheapest month to fly is normally June – try searching three to four months prior to then to get a bargain. You can also search by month, which will reveal the cheapest time of the week to fly.