Cheap flights from Sylhet to London Heathrow

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Compare Sylhet to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

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Flight deals from Sylhet to London Heathrow

Looking for a cheap last-minute deal or the best round-trip flight from Sylhet Airport to London Heathrow Airport? If you want to travel next month, round-trip fares start from $1,119. Find the lowest prices on one-way and round-trip tickets right here.

London.$1,116 per passenger.Departing Tue, Nov 3, returning Tue, Nov 24.Round-trip flight with US-Bangla Airlines and Oman Air.Outbound indirect flight with US-Bangla Airlines, departing from Sylhet on Tue, Nov 3, arriving in London Heathrow.Inbound indirect flight with Oman Air, departing from London Heathrow on Tue, Nov 24, arriving in Sylhet.Price includes taxes and charges.From $1,116, select.

London.$1,117 per passenger.Departing Tue, Oct 13, returning Thu, Nov 12.Round-trip flight with Biman Bangladesh Airlines and Qatar Airways.Outbound indirect flight with Biman Bangladesh Airlines, departing from Sylhet on Tue, Oct 13, arriving in London Heathrow.Inbound indirect flight with Qatar Airways, departing from London Heathrow on Thu, Nov 12, arriving in Sylhet.Price includes taxes and charges.From $1,117, select.

London.$1,119 per passenger.Departing Thu, Oct 8, returning Thu, Oct 15.Round-trip flight with Biman Bangladesh Airlines and Qatar Airways.Outbound indirect flight with Biman Bangladesh Airlines, departing from Sylhet on Thu, Oct 8, arriving in London Heathrow.Inbound indirect flight with Qatar Airways, departing from London Heathrow on Thu, Oct 15, arriving in Sylhet.Price includes taxes and charges.From $1,119, select.

London.$1,122 per passenger.Departing Wed, Feb 10, returning Thu, Feb 18.Round-trip flight with Biman Bangladesh Airlines and Qatar Airways.Outbound indirect flight with Biman Bangladesh Airlines, departing from Sylhet on Wed, Feb 10, arriving in London Heathrow.Inbound indirect flight with Qatar Airways, departing from London Heathrow on Thu, Feb 18, arriving in Sylhet.Price includes taxes and charges.From $1,122, select.

London.$1,123 per passenger.Departing Wed, Sep 30, returning Wed, Dec 30.Round-trip flight with Biman Bangladesh Airlines and Qatar Airways.Outbound indirect flight with Biman Bangladesh Airlines, departing from Sylhet on Wed, Sep 30, arriving in London Heathrow.Inbound indirect flight with Qatar Airways, departing from London Heathrow on Wed, Dec 30, arriving in Sylhet.Price includes taxes and charges.From $1,123, select.

London.$1,123 per passenger.Departing Wed, Sep 30, returning Thu, Oct 15.Round-trip flight with Biman Bangladesh Airlines and Qatar Airways.Outbound indirect flight with Biman Bangladesh Airlines, departing from Sylhet on Wed, Sep 30, arriving in London Heathrow.Inbound indirect flight with Qatar Airways, departing from London Heathrow on Thu, Oct 15, arriving in Sylhet.Price includes taxes and charges.From $1,123, select.

London.$1,124 per passenger.Departing Wed, Nov 18, returning Mon, Jan 25.Round-trip flight with Biman Bangladesh Airlines and Qatar Airways.Outbound indirect flight with Biman Bangladesh Airlines, departing from Sylhet on Wed, Nov 18, arriving in London Heathrow.Inbound indirect flight with Qatar Airways, departing from London Heathrow on Mon, Jan 25, arriving in Sylhet.Price includes taxes and charges.From $1,124, select.

London.$1,124 per passenger.Departing Mon, Dec 7, returning Mon, Dec 28.Round-trip flight with Biman Bangladesh Airlines and Qatar Airways.Outbound indirect flight with Biman Bangladesh Airlines, departing from Sylhet on Mon, Dec 7, arriving in London Heathrow.Inbound indirect flight with Qatar Airways, departing from London Heathrow on Mon, Dec 28, arriving in Sylhet.Price includes taxes and charges.From $1,124, select.

London.$1,128 per passenger.Departing Wed, Dec 2, returning Wed, Mar 3.Round-trip flight with Biman Bangladesh Airlines and Qatar Airways.Outbound indirect flight with Biman Bangladesh Airlines, departing from Sylhet on Wed, Dec 2, arriving in London Heathrow.Inbound indirect flight with Qatar Airways, departing from London Heathrow on Wed, Mar 3, arriving in Sylhet.Price includes taxes and charges.From $1,128, select.

London.$1,128 per passenger.Departing Wed, Oct 28, returning Wed, Jan 27.Round-trip flight with Biman Bangladesh Airlines and Qatar Airways.Outbound indirect flight with Biman Bangladesh Airlines, departing from Sylhet on Wed, Oct 28, arriving in London Heathrow.Inbound indirect flight with Qatar Airways, departing from London Heathrow on Wed, Jan 27, arriving in Sylhet.Price includes taxes and charges.From $1,128, select.

London.$1,128 per passenger.Departing Tue, Sep 22, returning Tue, Sep 29.Round-trip flight with Biman Bangladesh Airlines and Qatar Airways.Outbound indirect flight with Biman Bangladesh Airlines, departing from Sylhet on Tue, Sep 22, arriving in London Heathrow.Inbound indirect flight with Qatar Airways, departing from London Heathrow on Tue, Sep 29, arriving in Sylhet.Price includes taxes and charges.From $1,128, select.

London.$1,135 per passenger.Departing Tue, Jan 26, returning Mon, Feb 1.Round-trip flight with Biman Bangladesh Airlines and Qatar Airways.Outbound indirect flight with Biman Bangladesh Airlines, departing from Sylhet on Tue, Jan 26, arriving in London Heathrow.Inbound indirect flight with Qatar Airways, departing from London Heathrow on Mon, Feb 1, arriving in Sylhet.Price includes taxes and charges.From $1,135, select.

London.$1,139 per passenger.Departing Fri, Oct 9, returning Wed, Feb 3.Round-trip flight with Biman Bangladesh Airlines and Qatar Airways.Outbound indirect flight with Biman Bangladesh Airlines, departing from Sylhet on Fri, Oct 9, arriving in London Heathrow.Inbound indirect flight with Qatar Airways, departing from London Heathrow on Wed, Feb 3, arriving in Sylhet.Price includes taxes and charges.From $1,139, select.

London.$1,142 per passenger.Departing Sat, Oct 3, returning Wed, Dec 30.Round-trip flight with Biman Bangladesh Airlines and Qatar Airways.Outbound indirect flight with Biman Bangladesh Airlines, departing from Sylhet on Sat, Oct 3, arriving in London Heathrow.Inbound indirect flight with Qatar Airways, departing from London Heathrow on Wed, Dec 30, arriving in Sylhet.Price includes taxes and charges.From $1,142, select.

London.$1,142 per passenger.Departing Thu, Sep 24, returning Sun, Mar 21.Round-trip flight with Biman Bangladesh Airlines and Qatar Airways.Outbound indirect flight with Biman Bangladesh Airlines, departing from Sylhet on Thu, Sep 24, arriving in London Heathrow.Inbound indirect flight with Qatar Airways, departing from London Heathrow on Sun, Mar 21, arriving in Sylhet.Price includes taxes and charges.From $1,142, select.

London.$1,148 per passenger.Departing Sun, Sep 27, returning Wed, Feb 24.Round-trip flight with Biman Bangladesh Airlines and Qatar Airways.Outbound indirect flight with Biman Bangladesh Airlines, departing from Sylhet on Sun, Sep 27, arriving in London Heathrow.Inbound indirect flight with Qatar Airways, departing from London Heathrow on Wed, Feb 24, arriving in Sylhet.Price includes taxes and charges.From $1,148, select.

Find the cheapest month to fly from Sylhet to London Heathrow

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

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Direct flights from Sylhet to London Heathrow

Sylhet to London Heathrow: Alternative routes

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

Sylhet to London: Flight information

The things to know before you go.

Cheapest flight found	$1,116
Cheapest month to fly	November
Average flight time	11 hrs, 30 mins
Most popular airline	Biman Bangladesh Airlines
Average flights per week	5

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

How much are round-trip flights from Sylhet to London Heathrow?

The best price we found for a round-trip flight from Sylhet to London Heathrow is $1,116. 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 Sylhet to London Heathrow?

11 hours and 30 minutes is the average flight time from Sylhet to London Heathrow.

Which airlines fly direct from Sylhet to London Heathrow?

Biman Bangladesh Airlines flies direct from Sylhet to London Heathrow.

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

There are 5 flights per week flying from Sylhet to London Heathrow, as of September 2026.

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

The cheapest month to fly from Sylhet to London Heathrow is usually November.

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

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sylhet Airport to London Heathrow Airport on Tuesday, November 3, 2026.

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

Yes – the average flight time is 11 hours and 30 minutes.

How can I find the best flight deal to London Heathrow?

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 London Heathrow 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 London?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly with from Sylhet Airport to London Heathrow?

Currently, US-Bangla Airlines and Biman Bangladesh Airlines offer the cheapest flight tickets to London Heathrow.

Traveling from Sylhet Airport (ZYL) to London Heathrow Airport (LHR): what you need to know

Book a direct flight from Sylhet Airport to London Heathrow Airport and you'll be in the air for an average of 11 hours 30 minutes.
London is six hours behind Sylhet and observes the UTC+0 timezone.
Every week, there are four Sylhet Airport to London Heathrow Airport flights. If you want to be on board early, jump on the 09:35 Biman Bangladesh Airlines flight. If you'd rather make the most of your time before flying, the last departure is at 10:45 with Biman Bangladesh Airlines.
To ensure you catch your ZYL to LHR flight, leave enough time to check in and drop off your luggage. Arriving two hours before international departures and an hour before domestic flights is the general rule.
Be prepared for longer lines during popular months such as August. Arriving up to four hours ahead of international flights and two hours for a domestic departure is a good idea.
Biman Bangladesh Airlines is your gateway to exploring London (and maybe even some other great corners of the United Kingdom!). Browse the direct flights from Sylhet Airport to London Heathrow Airport offered by this popular airline.
The airline most travelers prefer to fly with on this route is Biman Bangladesh Airlines.
The most punctual carrier that operates ZYL to LHR flights is Biman Bangladesh Airlines. Its services arrive as planned 75.68% of the time.

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

The lowest price we've found for a one-way Sylhet Airport to London Heathrow Airport flight is $404. A round-trip ticket right now is $1,116. Depending on the availability and when you book, these fares can change.
Don't wait until the last moment. You're more likely to get cheap tickets from ZYL to LHR if you book early. Airlines often offer some excellent early bird deals.
The cheapest month for flights from Sylhet Airport to London Heathrow Airport is May. Use the 'Whole month' tool to find the lowest airfares if you have flexible travel dates.
Save time looking for cheap flights from ZYL to LHR by setting up a Price Alert. You'll receive an email or notification through the app when a lower fare pops up.
Secure the right flight for you by using the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Sylhet Airport to London Heathrow Airport, use the 'Sort by' tool. You can also filter by airline, departure and arrival times, and number of stops.

Handy information about Sylhet Airport (ZYL)

61% of flights that take off from Sylhet Airport make it to their destination on time.
Central Sylhet to Sylhet Airport is around 11 kilometers. Depending on traffic, it'll take about 25 minutes to get there if you're catching a cab, ride-sharing or driving.
The journey when using public transport usually takes 45 minutes.
Booked an early flight from Sylhet Airport to London Heathrow Airport? Avoid rushing to the terminal (and sneak in some extra precious sleep) by picking one of these hotels close to ZYL:

Arriving at London Heathrow Airport (LHR)

Reserve a hotel near LHR if you're catching a late Sylhet Airport to London Heathrow Airport flight. Check in to one of these accommodation options and avoid the hassle of a long transfer:
Say yes to new adventures by picking up a London Heathrow Airport rental car. Grab a set of wheels from Surprice, U-Save or Green Motion to explore London and beyond.
Lock in the lowest price by booking your vehicle from London Heathrow Airport around one week before your trip.

Getting from London Heathrow Airport (LHR) to central London

London Heathrow Airport to central London has a drive time of around 45 minutes. It's approximately 24 kilometers away.
It takes roughly 25 minutes if you're traveling on public transport.

When to fly to London Heathrow Airport (LHR)

It's time to work out your trip dates for your flight from Sylhet Airport to London Heathrow Airport. July is the most popular month to visit London. If you want a more low-key vibe, go in March.
When reserving your flight from Sylhet Airport to London Heathrow Airport, consider the type of weather you like. July is the warmest month in London, with the temperature ranging from 11ºC (52ºF) to 26ºC (79ºF).
January sees average temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Look for cheap tickets from ZYL to LHR sometime around then if you like cooler conditions.

Explore more of the United Kingdom

You've done London, now it's time to explore other corners of the United Kingdom. Travel about 257 kilometers north-west to Manchester to tick off its popular sights. From Manchester United Museum & Stadium Tour to The Homes of Football and Museum of Science and Industry, you've got a jam-packed schedule ahead.
Birmingham is another must-experience destination in the United Kingdom and is around 161 kilometers north-west of London. No journey is complete without experiencing Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience.