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 $1,125. You may be able to fly from Sylhet to London Heathrow Airport for 22% less than the average price by searching for this airline.

What is the cheapest day to fly from Sylhet to London Heathrow Airport?

Travelers seeking maximum savings on their Sylhet to London Heathrow Airport flight should consider departing on Saturday mornings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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

Tuesday flights are generally found to be more expensive for flights from Sylhet to London Heathrow Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London Heathrow Airport.

What is the cheapest month to fly from Sylhet to London Heathrow Airport?

The best pricing can be found in the month of October. Prices to London Heathrow Airport from Sylhet average $1,501. You can even find prices in October for less than $1,501, as users have found deals to London Heathrow Airport from as low as $826. The month of April appears to be one of the more expensive times to travel to London Heathrow Airport from Sylhet. Flying in the targeted month can save you up to 51%.

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

Located just 4.3 mi from the city center, Sylhet Osmani Intl is the airport most travelers will use when flying to London Heathrow from Sylhet. Booking flights from Osmani Intl (ZYL) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 1 airline.

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 vacation 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.

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Cheap flight deals from Sylhet to Heathrow

Popular in	August
Cheapest in	July
Average price	$1,469
Good round-trip deal	$1,162 or less
Good one-way deal	$564 or less

Highest demand for flights based on searches. 5% potential increase in price ($91 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($49 potential savings vs. average RT price).

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Average for round-trip flights in September 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 round-trip 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.

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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, November is the cheapest month in which you can book a flight from Sylhet to London Heathrow Airport (average of $661). Flying from Sylhet to London Heathrow Airport in June is currently the most expensive (average of $1,098). 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?

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.

Related info for your journey

What airport do you fly from for flights from Sylhet to London Heathrow?
Located just 4.3 mi from the city center, Sylhet Osmani Intl is the airport most travelers will use when flying to London Heathrow from Sylhet. Booking flights from Osmani Intl (ZYL) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 1 airline.
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 $1,125. You may be able to fly from Sylhet to London Heathrow Airport for 22% less than the average price by searching for this airline.
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 vacation 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, November is the cheapest month in which you can book a flight from Sylhet to London Heathrow Airport (average of $661). Flying from Sylhet to London Heathrow Airport in June is currently the most expensive (average of $1,098). 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.

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Top airline flying from Sylhet to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Biman Bangladesh	Cheapest$1,125	Average$1,222	FlexibilityNo cancel fee	On-time45%

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Cheap flights from Sylhet (ZYL) to Heathrow (LHR)

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Cheap flight deals from Sylhet to Heathrow

Popular in

Cheapest in

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Good round-trip deal

Good one-way deal

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.

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?

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

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?

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

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

How can I find direct flights from Sylhet to Heathrow?

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

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

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