£388 Cheap Flights from Sylhet (ZYL) to London (LHR)

View £388 flight on Tue, 23 Dec 2025Opens in a new window

Popular airlines from Sylhet (ZYL-Osmani Intl.) to Heathrow Airport (LHR)

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Cheap Flights from Sylhet (ZYL) to London (LHR)

Prices were available within the past 7 days and start at £388 for one-way flights and £716 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Biman Bangladesh
Wed, 3 Dec - Sat, 10 Jan
ZYL
Sylhet
LHR
London
£716 Return, found 5 days ago
£716
Return
found 5 days ago
Select Biman Bangladesh flight, departing Wed, 3 Dec from Sylhet to London, returning Sat, 10 Jan, priced at £716 found 5 days ago
Biman Bangladesh
Sat, 20 Dec - Thu, 15 Jan
ZYL
Sylhet
LHR
London
£719 Return, found 3 days ago
£719
Return
found 3 days ago
Select Biman Bangladesh flight, departing Sat, 20 Dec from Sylhet to London, returning Thu, 15 Jan, priced at £719 found 3 days ago
Biman Bangladesh
Thu, 18 Dec - Mon, 5 Jan
ZYL
Sylhet
LHR
London
£720 Return, found 11 hours ago
£720
Return
found 11 hours ago
Select Biman Bangladesh flight, departing Thu, 18 Dec from Sylhet to London, returning Mon, 5 Jan, priced at £720 found 11 hours ago
Biman Bangladesh
Sun, 21 Dec - Fri, 16 Jan
ZYL
Sylhet
LHR
London
£742 Return, found 3 days ago
£742
Return
found 3 days ago
Select Biman Bangladesh flight, departing Sun, 21 Dec from Sylhet to London, returning Fri, 16 Jan, priced at £742 found 3 days ago
Biman Bangladesh
Sun, 9 Nov - Fri, 21 Nov
ZYL
Sylhet
LHR
London
£743 Return, found 11 hours ago
£743
Return
found 11 hours ago
Select Biman Bangladesh flight, departing Sun, 9 Nov from Sylhet to London, returning Fri, 21 Nov, priced at £743 found 11 hours ago
Biman Bangladesh
Sun, 22 Feb - Tue, 24 Mar
ZYL
Sylhet
LHR
London
£760 Return, found 5 days ago
£760
Return
found 5 days ago
Select Biman Bangladesh flight, departing Sun, 22 Feb from Sylhet to London, returning Tue, 24 Mar, priced at £760 found 5 days ago
Biman Bangladesh
Sun, 21 Sep - Wed, 24 Sep
ZYL
Sylhet
LHR
London
£762 Return, found 5 days ago
£762
Return
found 5 days ago
Select Biman Bangladesh flight, departing Sun, 21 Sep from Sylhet to London, returning Wed, 24 Sep, priced at £762 found 5 days ago
Biman Bangladesh
Sun, 8 Feb - Fri, 6 Mar
ZYL
Sylhet
LHR
London
£764 Return, found 3 days ago
£764
Return
found 3 days ago
Select Biman Bangladesh flight, departing Sun, 8 Feb from Sylhet to London, returning Fri, 6 Mar, priced at £764 found 3 days ago
Biman Bangladesh
Fri, 24 Oct - Fri, 7 Nov
ZYL
Sylhet
LHR
London
£765 Return, found 2 days ago
£765
Return
found 2 days ago
Select Biman Bangladesh flight, departing Fri, 24 Oct from Sylhet to London, returning Fri, 7 Nov, priced at £765 found 2 days ago
Biman Bangladesh
Sun, 22 Feb - Sun, 1 Mar
ZYL
Sylhet
LHR
London
£783 Return, found 5 days ago
£783
Return
found 5 days ago
Select Biman Bangladesh flight, departing Sun, 22 Feb from Sylhet to London, returning Sun, 1 Mar, priced at £783 found 5 days ago
Flight from Sylhet to London route information
Origin airport
Osmani Intl.
Destination airport
Heathrow
Airlines serving
Biman Bangladesh
Return price
£716
Distance
7971 km
Average flight time
12 hours 20 mins

Compare flights from Sylhet to London easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Sylhet to London. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Heathrow in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Osmani Intl. to Heathrow.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Osmani Intl. (ZYL) to Heathrow (LHR)

The easiest way to view the best deals on flights from Sylhet to London today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Osmani Intl. to Heathrow start at just £716 and range up to £783.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Sylhet and London
  • booking your flight during December, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Sylhet to London flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Osmani Intl. to Heathrow for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Osmani Airport to Heathrow Airport (LHR)?
Based on airfares available within the last 7 days on Expedia for flights departing within the next year, round-trip flights between ZYL and LHR start from £716. Book today to get the best price for your adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Osmani Airport to Heathrow Airport (LHR)?
Each air carrier has its own terms and conditions. If you do decide to cancel, follow the easy instructions on our Customer Service Portal.
How do I find cheap flights from ZYL to Heathrow Airport (LHR) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Osmani Intl. Airport (ZYL) to LHR flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Osmani Airport to London Heathrow?
The distance is around 8,000 kilometres. Sleep mask? Check. Toiletries? Check. You'll need to pack all the travel comforts for this long-haul Sylhet to Hounslow flight.
Which airlines fly direct from Osmani Intl. Airport (ZYL) to Heathrow Airport (LHR)?
If you'd like to fly directly from ZYL to Heathrow Airport (LHR), Biman Bangladesh Airlines (BG) is a top option. It operates 13 flights each month between Sylhet and Hounslow.
Are Osmani Intl. Airport (ZYL) to Heathrow Airport (LHR) flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can occasionally nab a bargain, with some of the cheapest fares from ZYL to LHR popping up a few weeks before the date of departure. If you'd rather plan ahead of time, Expedia compares and updates the best flight deals continuously --- as early as a year in advance in some cases. It depends on the carrier though, as not every airline advertises prices that far in advance.

Explore a world of travel with Expedia

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£793.38
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£920.40
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