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

Compare London Heathrow to Sylhet flight deals

Find the cheapest month or even day of the year to fly to Sylhet

Book the best Sylhet fare with no extra fees

Flight deals from London Heathrow to Sylhet

Looking for a cheap last-minute deal or the best return flight from London Heathrow to Sylhet? Find the lowest prices on one-way and return tickets right here.
Sylhet.$1,475 per passenger.Departing Mon, 13 Oct, returning Tue, 18 Nov.Return flight with Qatar Airways and Biman Bangladesh Airlines.Outbound indirect flight with Qatar Airways, departs from London Heathrow on Mon, 13 Oct, arriving in Sylhet.Inbound indirect flight with Biman Bangladesh Airlines, departs from Sylhet on Tue, 18 Nov, arriving in London Heathrow.Price includes taxes and charges.From $1,475, select.
Sylhet.$1,527 per passenger.Departing Fri, 19 Sep, returning Wed, 24 Sep.Return flight with Qatar Airways and Biman Bangladesh Airlines.Outbound indirect flight with Qatar Airways, departs from London Heathrow on Fri, 19 Sep, arriving in Sylhet.Inbound indirect flight with Biman Bangladesh Airlines, departs from Sylhet on Wed, 24 Sep, arriving in London Heathrow.Price includes taxes and charges.From $1,527, select.
Sylhet.$1,619 per passenger.Departing Sun, 2 Nov, returning Fri, 21 Nov.Return flight with Qatar Airways and Biman Bangladesh Airlines.Outbound indirect flight with Qatar Airways, departs from London Heathrow on Sun, 2 Nov, arriving in Sylhet.Inbound indirect flight with Biman Bangladesh Airlines, departs from Sylhet on Fri, 21 Nov, arriving in London Heathrow.Price includes taxes and charges.From $1,619, select.
Sylhet.$1,642 per passenger.Departing Sun, 31 Aug, returning Tue, 23 Sep.Return flight with Qatar Airways and Biman Bangladesh Airlines.Outbound indirect flight with Qatar Airways, departs from London Heathrow on Sun, 31 Aug, arriving in Sylhet.Inbound indirect flight with Biman Bangladesh Airlines, departs from Sylhet on Tue, 23 Sep, arriving in London Heathrow.Price includes taxes and charges.From $1,642, select.
Sylhet.$1,642 per passenger.Departing Wed, 24 Sep, returning Fri, 17 Oct.Return flight with Qatar Airways and Biman Bangladesh Airlines.Outbound indirect flight with Qatar Airways, departs from London Heathrow on Wed, 24 Sep, arriving in Sylhet.Inbound indirect flight with Biman Bangladesh Airlines, departs from Sylhet on Fri, 17 Oct, arriving in London Heathrow.Price includes taxes and charges.From $1,642, select.
Sylhet.$1,643 per passenger.Departing Mon, 6 Oct, returning Mon, 20 Oct.Return flight with Qatar Airways and Biman Bangladesh Airlines.Outbound indirect flight with Qatar Airways, departs from London Heathrow on Mon, 6 Oct, arriving in Sylhet.Inbound indirect flight with Biman Bangladesh Airlines, departs from Sylhet on Mon, 20 Oct, arriving in London Heathrow.Price includes taxes and charges.From $1,643, select.
Sylhet.$1,647 per passenger.Departing Wed, 27 Aug, returning Tue, 7 Oct.Return flight with Qatar Airways and Biman Bangladesh Airlines.Outbound indirect flight with Qatar Airways, departs from London Heathrow on Wed, 27 Aug, arriving in Sylhet.Inbound indirect flight with Biman Bangladesh Airlines, departs from Sylhet on Tue, 7 Oct, arriving in London Heathrow.Price includes taxes and charges.From $1,647, select.
Sylhet.$1,647 per passenger.Departing Wed, 27 Aug, returning Wed, 12 Nov.Return flight with Qatar Airways and Biman Bangladesh Airlines.Outbound indirect flight with Qatar Airways, departs from London Heathrow on Wed, 27 Aug, arriving in Sylhet.Inbound indirect flight with Biman Bangladesh Airlines, departs from Sylhet on Wed, 12 Nov, arriving in London Heathrow.Price includes taxes and charges.From $1,647, select.

The cheapest month to fly from London Heathrow Airport to Sylhet Airport

We’re always keeping an eye on fares, to help you find the lowest one in seconds. Check out the London Heathrow Airport to Sylhet Airport flight prices forecast over the next 12 months.
Jun
from $2,516
Jul
from $1,694
Aug
from $2,144
Sep
from $1,527
Oct
from $1,643
Nov
from $1,619
Dec
from $1,969
Jan
from $1,751
Feb
from $1,755
Mar
from $1,695
Apr
Find prices
May
Find prices
Cheapest month:September
Most expensive month:June

Direct flights from London Heathrow to Sylhet

London Heathrow to Sylhet: Alternative routes

Compare routes from London Heathrow to Sylhet below. You may find an airport to fly into that's cheaper, faster, or easier than Sylhet.

London to Sylhet: Flight information

The things to know before you go.
Cheapest flight found$1,475
Cheapest month to flyOctober
Average flight time9 hrs, 45 mins
Most popular airlineBiman Bangladesh Airlines
Average flights per week5

Finding cheap flights from London Heathrow to Sylhet: Frequently asked questions

The best price we found for a return flight from London Heathrow to Sylhet is $1,475. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
9 hours and 45 minutes is the average flight time from London Heathrow to Sylhet.
Biman Bangladesh Airlines flies direct from London Heathrow to Sylhet.
As of June 2025, there are 5 flights per week flying from London Heathrow to Sylhet.
The cheapest month to fly from London Heathrow to Sylhet is usually June 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Sylhet Airport on Monday, 13 October 2025.
Yes – the average flight time is 9 hours and 45 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sylhet but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Sylhet is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Qatar Airways offers the cheapest flight tickets to Sylhet.

Flying from London Heathrow Airport (LHR) to Osmani International Airport (ZYL): what you need to know

  • Book a direct flight from London Heathrow Airport to Osmani International Airport and you'll be in the air for an average of 10 hours 10 minutes.

  • Sylhet is six hours ahead of London and follows the UTC+6 timezone.

  • Every week, there are six London Heathrow Airport to Osmani International Airport flights. If you prefer to get going early, opt for the 18:15 Biman Bangladesh Airlines flight. If you're eager to make the most of your time before you fly, the last departure is at 18:20 with Biman Bangladesh Airlines.

  • To ensure you catch your LHR to ZYL flight, allow plenty of time for things like baggage drop and finding your gate. Arriving two hours ahead of international departures and one hour before domestic flights is the general travel rule.

  • During popular months like July, it's best to get to the airport well in advance. Plan to arrive two hours before domestic departures and four hours ahead for an international flight when you fly during a high season in general.

  • Flying into Sylhet (and then seeing more of Bangladesh!) is a cinch with Biman Bangladesh Airlines. This popular airline has direct flights from London Heathrow Airport to Osmani International Airport.

  • The airline that passengers book most often on this route is Biman Bangladesh Airlines.

  • The carrier with the most reliable on-time arrival rate for LHR to ZYL flights is Biman Bangladesh Airlines.

  • Think about adding a stopover when booking your ticket from London Heathrow Airport to Osmani International Airport. Just uncheck 'Direct flights only' to break up your journey, or perhaps explore a new destination along the way. Check out these options between LHR and ZYL:

    • Hamad International Airport

    • Abu Dhabi International Airport

    • Dubai Airport

How to find the cheapest flights from London Heathrow Airport (LHR) to Osmani International Airport (ZYL)

  • Right now, $702 is the cheapest price we've seen for a one-way London Heathrow Airport to Osmani International Airport flight. The best price for a return plane ticket is $1,475. Keep in mind that fares could change due to availability at the time of booking.

  • Book six months before you travel. After crunching the numbers on our calendar, this is how far you should book ahead to find cheap tickets from LHR to ZYL.

  • May is the cheapest month for flights from London Heathrow Airport to Osmani International Airport. If you need to travel during a different time of year, the 'Whole month' tool will give you the lowest prices across every month.

  • Getting your hands on cheap flights from LHR to ZYL is a cinch with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you as soon as a new discounted fare appears.

  • Select your ideal departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from London Heathrow Airport to Osmani International Airport.

Handy information about London Heathrow Airport (LHR)

  • 68.18% of flights that take off from London Heathrow Airport touch down at their destination on time.

  • London Heathrow Airport is about 31 kilometres from central London. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 55 minutes or so to get there, depending on the traffic.

  • Expect a trip time of around 1 hour when using public transport.

  • Searching for a convenient hotel close to LHR? If you're catching an early flight from London Heathrow Airport to Osmani International Airport, these accommodation options will have you moments from your check-in counter:

Arriving at Osmani International Airport (ZYL)

  • If you have a late London Heathrow Airport to Osmani International Airport flight, nothing tops the convenience of staying close to the terminal. Grab your suitcases from the carousel and then be showered and snoozing shortly after at one of these accommodation options near ZYL:

Getting from Osmani International Airport (ZYL) to central Sylhet

  • Osmani International Airport to the centre of Sylhet has a drive time of around 20 minutes. It's approximately 10 kilometres away.

When to fly to Osmani International Airport (ZYL)

  • It's time to pick your dates for your flight from London Heathrow Airport to Osmani International Airport. July is the busiest month to visit Sylhet. If you like a more low-key vibe, go in February.

  • When reserving your flight from London Heathrow Airport to Osmani International Airport, think about the kind of weather you enjoy. April is the warmest month in Sylhet, with the temperature ranging from 21ºC (70ºF) to 35ºC (95ºF).

  • January sees average temperatures of between 12ºC (54ºF) and 28ºC (82ºF). Search for cheap tickets from LHR to ZYL sometime around then if you want to travel in cooler conditions.

Explore more of Bangladesh

  • You've visited Sylhet, now it's time to discover more of Bangladesh. Journey about 209 kilometres south-west to Dhaka to check off its popular sights. From National Parliament House to Dhakeshwari Temple and Bangladesh National Museum, there's plenty to keep you busy.

  • If you're looking to explore another major destination in Bangladesh, head for Chittagong, about 290 kilometres south of Sylhet. Foy's Lake, Patenga Beach and Paharika Jame Mosque are highlights.

Plan the rest of your trip from London to Sylhet

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.