Cheap flights from London to Sylhet
Cheap return flights from London to Sylhet
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Sylhet flight facts
What you need to know
What are the cheapest airlines?
- Biman Bangladesh Airlines
- British Airways
- Turkish Airlines
These airlines usually offer the cheapest flights from London to Sylhet.
What airlines fly indirectly?
- Emirates
- Qatar Airways
- Etihad Airways
These airlines fly from London to Sylhet, but you’ll have at least one layover.
How long is the flight?
12 hours 30 minutes
This is the shortest flight time from London to Sylhet.
Alternative flights from the UK to Sylhet
Check out prices for other routes
Alternative flights from London
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the London/Sylhet route. There are around 35 flights on any given week from the UK to Sylhet and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from London to Sylhet
Tips and advice from our flight experts
You've searched for flights from London to Sylhet. We've found 25 flights and compared them to give you the best offer. Biman Bangladesh Airlines is usually the cheapest for this route, so keep an eye on them. The cheapest offer we've found is a one-way ticket for £34 from London to Sylhet on 14/04/2026 at 13:35.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 10 airlines that operate the 7,200 km flight from London to Sylhet.
To find the best offers, consider booking 2-3 months in advance or looking for last-minute deals. The peak season is usually summer, so try to avoid it if you can. Biman Bangladesh Airlines is a popular and affordable choice for this route, with an average flight duration of 12 hours 30 minutes. After selecting an offer, fill out your information and proceed to payment. Don't forget to check our flight + hotel service to save time and money!
Other popular destinations near Sylhet
Where other people are flying to
