Cheap Flights from London to Sylhet

Compare London to Sylhet flight deals

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

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Flight deals from London to Sylhet

Looking for a cheap last-minute deal or the best return flight from London to Sylhet? Find the lowest prices on one-way and return tickets right here.

Sylhet.R 4,414 per passenger.Departing Wed, 15 Apr.One-way flight with Wizz Air UK.Outbound indirect flight with Wizz Air UK, departs from London Luton on Wed, 15 Apr, arriving in Sylhet.Price includes taxes and charges.From R 4,414, select.

Sylhet.R 4,503 per passenger.Departing Sun, 10 May.One-way flight with Pegasus Airlines.Outbound indirect flight with Pegasus Airlines, departs from London Stansted on Sun, 10 May, arriving in Sylhet.Price includes taxes and charges.From R 4,503, select.

Sylhet.R 4,872 per passenger.Departing Wed, 4 Mar.One-way flight with Wizz Air UK.Outbound indirect flight with Wizz Air UK, departs from London Gatwick on Wed, 4 Mar, arriving in Sylhet.Price includes taxes and charges.From R 4,872, select.

Sylhet.R 4,886 per passenger.Departing Sat, 28 Feb.One-way flight with AJet.Outbound indirect flight with AJet, departs from London Stansted on Sat, 28 Feb, arriving in Sylhet.Price includes taxes and charges.From R 4,886, select.

Sylhet.R 5,374 per passenger.Departing Sun, 30 Aug.One-way flight with Wizz Air UK.Outbound indirect flight with Wizz Air UK, departs from London Luton on Sun, 30 Aug, arriving in Sylhet.Price includes taxes and charges.From R 5,374, select.

Sylhet.R 5,614 per passenger.Departing Thu, 3 Sep.One-way flight with Wizz Air UK.Outbound indirect flight with Wizz Air UK, departs from London Luton on Thu, 3 Sep, arriving in Sylhet.Price includes taxes and charges.From R 5,614, select.

Sylhet.R 5,614 per passenger.Departing Sun, 4 Oct.One-way flight with Wizz Air UK.Outbound indirect flight with Wizz Air UK, departs from London Luton on Sun, 4 Oct, arriving in Sylhet.Price includes taxes and charges.From R 5,614, select.

Sylhet.R 5,817 per passenger.Departing Thu, 5 Nov.One-way flight with Wizz Air UK.Outbound indirect flight with Wizz Air UK, departs from London Luton on Thu, 5 Nov, arriving in Sylhet.Price includes taxes and charges.From R 5,817, select.

Find the cheapest month to fly from London to Sylhet

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London to Sylhet flights are currently cheapest in April.

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Direct flights from London to Sylhet

London to Sylhet: Alternative routes

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

Sylhet

7km from central Sylhet

ClosestCheapest

from R 4,414

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London to Sylhet: Flight information

The things to know before you go.

Cheapest flight found	R 4,414
Cheapest month to fly	April
Average flight time	9 hrs, 33 mins
Most popular airline	Biman Bangladesh Airlines

Finding cheap flights from London to Sylhet: Frequently asked questions

How much are return flights from London to Sylhet?

The best price we found for a return flight from London to Sylhet is R 10,217. 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.

How long does it take to fly from London to Sylhet?

9 hours and 44 minutes is the average flight time from London to Sylhet.

Which airlines fly direct from London to Sylhet?

Biman Bangladesh Airlines flies direct from London to Sylhet.

How many flights are there a week from London to Sylhet?

As of February 2026, there are 10 flights per week flying from London to Sylhet.

When is the cheapest time to fly from London to Sylhet?

The cheapest month to fly from London to Sylhet is usually May.

Which upcoming date is cheapest to fly from London to Sylhet Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Sylhet Airport on Sunday, 10 May 2026.

Can I get a direct flight from London to Sylhet Airport?

Yes – the average flight time is 9 hours and 44 minutes.

How can I find the best flight deal to Sylhet?

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.

When is the best time to book flights to Sylhet?

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.

Travelling from London to Osmani International Airport (ZYL): What you need to know

London has numerous airports to take off from. Check out your departure options from London Heathrow Airport (LHR) and London Gatwick Airport (LGW) when planning your flight from London to Osmani International Airport (ZYL). Stansted Airport (STN), London Luton Airport (LTN) and London City Airport (LCY) are the other main bases in the city.
The average length of a direct London to Osmani International Airport flight is 9 hours 45 minutes.
Sylhet is six hours ahead of London. Osmani International Airport is located in Sylhet, which runs on the UTC+6 timezone.
The busiest route is from London Heathrow Airport (LHR) to Osmani International Airport (ZYL). You can choose from 5 direct services every week. Biman Bangladesh Airlines operates a 6:15pm departure between LHR and ZYL.
Get to the airport on time so you don't miss your flight from London to ZYL. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.
During peak travel periods, expect longer wait times and be there earlier. Aim for at least two hours ahead for domestic flights and up to four hours for international trips.

Airports in London

London Heathrow Airport (LHR)

Take the express route from London Heathrow Airport (LHR). Direct flights from London to Osmani International Airport (ZYL) are available from here.
When jetting out of LHR, you can take a direct flight from London to Osmani International Airport with Biman Bangladesh Airlines.
Most travellers prefer to fly with Biman Bangladesh Airlines from LHR to ZYL.
Biman Bangladesh Airlines is the most consistent performer for punctuality on this route.
We make it a breeze to book cheap flights from London to ZYL that include a stopover. To explore your options departing from London Heathrow Airport (LHR), deselect 'Direct flights only.' Then, simply pick a flight with a stop long enough to tour the city of your choice. Major stopovers between LHR and ZYL include:
- Dubai Airport (DXB)
- Hamad International Airport (DOH)
- Abu Dhabi International Airport (AUH)
The journey from central London to LHR takes around 1 hour by public transport. If you ride-share, drive or take a cab, you'll cover the 31 kilometres in 55 minutes or so, depending on traffic conditions.
Want a hassle-free start to your journey? Stay near London Heathrow Airport. Whether you're boarding an early flight from London to Osmani International Airport or just don't want to be rushed, these hotels are just the thing:
68.18% of flights leaving from London Heathrow Airport land at their destination on schedule.

London Gatwick Airport (LGW)

Check a new destination off your list or just take a moment to recharge with a stopover. If you'd like to break up your flight from London to Osmani International Airport, browse these options when departing from London Gatwick Airport:
- Dubai Airport (DXB)
- King Abdulaziz International Airport (JED)
- Hamad International Airport (DOH)
LGW is around 80 kilometres from central London. It'll take you 1 hour 20 minutes or so to get to the airport in a car from the city centre. Public transport takes roughly 30 minutes.
Get your holiday started early with an additional night away from home. Before catching your London to ZYL flight, kick back in one of these hotels near London Gatwick Airport:
When it comes to keeping flights on track, London Gatwick Airport has an on-time arrival performance of 69.26%.

Stansted Airport (STN)

Whether just for an hour or a few days, a stopover can make your entire trip feel a little more manageable. When flying out of Stansted Airport (STN), you can book a plane ticket from London to Osmani International Airport (ZYL) stopping at Dubai Airport (DXB).
From the centre of London, STN is around 64 kilometres away. It takes roughly 1 hour to reach the airport by car and 1 hour 25 minutes or so if you're on public transport.
Make catching an early London to Osmani International Airport flight the easiest part of your trip. Stay at one of these accommodation options close to Stansted Airport and get to your boarding gate feeling relaxed and unhurried:
The on-time performance rating of STN is 64.73%. To put it simply, that's how often flights departing this airport reach their final stop as planned.

About Osmani International Airport (ZYL)

Consider booking a hotel near ZYL if you have a late flight from London to Osmani International Airport. Settle into one of these options and call it a night faster:

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

Currently, R 4,414 is the lowest price we've found for a one-way ticket from London to Osmani International Airport. The cheapest price for a return flight is R 10,217. Remember fares can change due to availability at the time of booking.
To pick up cheap flights from London to ZYL, book early. Airlines tend to offer lower prices when tickets first go on sale.
Cheap London to Osmani International Airport tickets are easier to find when your dates are flexible. Try using the 'Whole month' search tool to compare fares across each month and then fly out on the cheapest day.
Save time searching for cheap plane tickets from London to ZYL by creating a Price Alert. We'll send you an email or notification on the app when a lower fare becomes available.
Bag the best deal on a flight from London to Osmani International Airport with the help of the filters. Choose your ideal arrival and departure times, airlines and number of stops. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest.'

The best time to fly from London to Osmani International Airport (ZYL)

It's time to work out when to book your flight from London to Osmani International Airport (ZYL). July is the peak month for travel to Sylhet. If you like your getaways a little more chill, think about going in February.
When booking your London to ZYL plane ticket, consider the kind of weather you prefer. April is the warmest month in Sylhet, with temperatures ranging from 21ºC (70ºF) to 35ºC (95ºF).
Look for cheap tickets from London to Osmani International Airport in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between 12ºC (54ºF) and 28ºC (82ºF).

More about Sylhet

When it comes to searching for somewhere to lay your head, you'll find the best places to stay in Sylhet right here. Explore these hotels after you've booked your flight from London to Osmani International Airport:
Your Sylhet visit should come with a side of sightseeing. Leading attractions you won't want to miss include Ratargul, TEA ESTATE and Lakkatura Tea Garden.

Explore more of Bangladesh

You've done Sylhet, now it's time to explore other corners of Bangladesh. Travel around 209 kilometres south-west to Dhaka to check off its leading sights. From Taj Jaame Masjid to Shahi Mosque and Tajmahal Park, you'll have a packed itinerary ahead.
Around 290 kilometres south of Sylhet, Chittagong is another essential stop in Bangladesh. Start your sightseeing at Iskcon temple, 5no. Mohra ward, Chottagram, Bangladesh, Chattogram Marine Drive and Dakshin Kattali Sea Beach.