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Cheap flights from Sylhet to London Heathrow Airport

ZYL — LHR
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sylhet to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Sylhet (ZYL) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 October 2025.

Popular in

February

Cheapest in

October

Average price

£860

Good round-trip deal

£887 or less

Good one-way deal

£457 or less
Highest demand for flights based on searches. 7% potential increase in price (£62 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£19 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Sylhet Osmani Intl to London Heathrow.
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Price to beat on a one-way flight from Sylhet Osmani Intl to London Heathrow.
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Best time to book a flight from Sylhet to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Sylhet with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sylhet to London Heathrow Airport

What is the cheapest month to book a flight from Sylhet to London Heathrow Airport?

Currently, October is the cheapest month in which you can book a flight from Sylhet to London Heathrow Airport (average of £749). Flying from Sylhet to London Heathrow Airport in February is currently the most expensive (average of £1,316). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ZYL to LHR?

Find hourly flight availability from Sylhet to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 October 2025.

When flying from Sylhet to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 30 October 2025.
Check out reviews from past customers who have flown with Biman Bangladesh from Sylhet to London Heathrow Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Biman Bangladesh
6.7
Okay
23 reviews
Check prices

Crew

7.5

Food

6.8

Boarding

7.0

Entertainment

6.0

Overall

6.7

Comfort

6.3
Biman Bangladesh
6.7
Okay
23 reviews
Biman Bangladesh
6.7
Okay
23 reviews
Check prices

Crew

7.5

Food

6.8

Boarding

7.0

Entertainment

6.0

Overall

6.7

Comfort

6.3

Related info for your journey

Find useful and relevant information for your journey from Sylhet to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Sylhet to London Heathrow?

    Sylhet Osmani Intl (ZYL) is the airport you will fly out of if you book a flight from Sylhet to London Heathrow. You should not have trouble finding flights to London Heathrow from Osmani Intl; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Sylhet airport to London Heathrow. It is only a 4.3 mi journey to Osmani Intl (ZYL) from Sylhet’s city center.

  • What is the cheapest airline to fly from Sylhet to London Heathrow Airport round-trip?

    Flying on Biman Bangladesh is currently your cheapest option to London Heathrow Airport, with prices starting at £748. Biman Bangladesh is priced at 28% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Sylhet to Heathrow that include hotel bookings?

    Yes. In addition to deals on Sylhet to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sylhet to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sylhet to Heathrow.

  • Can I find deals for business class flights from Sylhet to Heathrow?

    Yes. Cheapflights offers flight deals from Sylhet to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sylhet to London Heathrow Airport?

    Currently, October is the cheapest month in which you can book a flight from Sylhet to London Heathrow Airport (average of £749). Flying from Sylhet to London Heathrow Airport in February is currently the most expensive (average of £1,316). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Chichester
Swindon
Crawley
Romford
Brentford
Ipswich

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Alternative routes for Sylhet to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Dhaka to Heathrow flights
Dhaka to Gatwick flights
Dhaka to Stansted flights
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Chittagong to Heathrow flights

Top airline flying from Sylhet to Heathrow

Discover the top airline that operate flights from Sylhet to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 30 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Biman BangladeshCheapest£748Average£975FlexibilityNo cancel feeOn-time45%
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Sylhet to Heathrow?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Sylhet to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Sylhet to Heathrow?

Cheapflights helps you find that perfect flight to Heathrow from Sylhet by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Sylhet to Heathrow with no change fees?

Need flexible booking options for your flight to Heathrow from Sylhet? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Sylhet to Heathrow become cheaper?

Yes, Cheapflights offers price alerts on Sylhet to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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