At the moment, there are one airlines flying to Sylhet. Go through the results to find the right flights for you – you can adjust the filters to see find even more flights to Sylhet.
The most popular airlines offering flights to Sylhet are Biman Bangladesh Airlines. Biman Bangladesh Airlines is the most popular one, but that doesn’t mean their flights will be the cheapest. If you can't find a flight time that suits you, why not look at flying out from a different airport?
The distance between George Best Belfast City Airport to Sylhet is 8250 km. Normally, it takes about 15 hrs 5 mins to fly, and you can definitely expect the journey to be at least 15 hrs 5 mins. You can see the various flight times in the results.
You can also search by month, which will reveal the cheapest time of the week to fly.