Cheap flights from London to Sylhet
Sylhet is where many British Bangladeshi families have their roots. Flights usually stop in Dhaka or the Gulf, so comparing routes matters.
Lowest recent price found. Prices change – always check the final price before booking.
Cheapest vs typical fare
Recent return fares from London to Sylhet. The gap is what comparing can save you.
“Typical” is the middle price among recent fares we found for this route. Prices change constantly and are not guaranteed.
Airlines on this route
Biman Bangladesh Airlines links Heathrow with Sylhet on some flights, often via Dhaka. Other options connect through the Gulf and on to Sylhet.
Money-saving tip
Compare flying to Sylhet with flying to Dhaka and connecting. Fares peak before Eid and in December.
Cheapest days to fly from London to Sylhet
Day-by-day one-way prices from London. Green days are cheapest. Tap a day to search that date.
Best time to visit Sylhet
November to February is dry and mild. The monsoon from June to October brings heavy rain and flooding risk.
Before you travel, check the latest entry requirements and advice for Bangladesh on GOV.UK foreign travel advice.
London to Sylhet flights: your questions
Are there direct flights from London to Sylhet?
Biman Bangladesh Airlines serves Sylhet from Heathrow on some flights, usually with a stop in Dhaka. Check the search for your dates.
Is it cheaper to fly to Dhaka than Sylhet?
Sometimes. Dhaka has more flights. Compare both and include the cost of the onward journey.
How long does it take to fly from London to Sylhet?
Usually 13 hours or more including the stop.
When are Sylhet flights most expensive?
Before Eid, in December and in the school summer holidays.
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