Question 1

What is the cheapest day to depart on your flight to Sylhet?

Accepted Answer

The cheapest day to depart on your flight to Sylhet is on a Thursday when prices can be found for as low as £877. This is often the case because there is less demand to fly during this day of the week. On the other hand, Tuesday is the most expensive day to depart from London because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £1,083.

Question 2

How have London to Sylhet flight prices changed over time?

Accepted Answer

As of June 2026, prices for London to Sylhet flights are approximately 7% more expensive when compared to flights at the same time last year.

Question 3

What is the cheapest time of day to depart on your flight to Sylhet?

Accepted Answer

Our data shows that the cheapest London to Sylhet flights are usually those with departure times in the evening. Our users have found flights to Sylhet in the evening for as low as £875. Try not to purchase tickets in the afternoon because they tend to be around £914. Of course, these prices can vary depending on the time of year and what airport you fly to.

Question 4

What cabin class options are available on London to Sylhet flights?

Accepted Answer

There are 3 cabin classes available to choose from on London to Sylhet flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 5

What is the cheapest London to Sylhet Osmani Intl flight route?

Accepted Answer

Fly from London Heathrow to Sylhet Osmani Intl for the best London - Sylhet Osmani Intl flight prices

Question 6

How often are flights from London to Sylhet delayed?

Accepted Answer

Historically, on average around 29% of flights between London and Sylhet have experienced a delay on any given week. The average delay length over the past 12 months has been 197 minutes.

Question 7

What is the cheapest month to fly to Sylhet?

Accepted Answer

If you’re not able to fly to Sylhet in September, then October is your next best option. Flight prices from London to Sylhet during October average around £815.

Question 8

What is the most punctual flight time for London to Sylhet flights?

Accepted Answer

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

Question 9

How many flights depart from London to Sylhet on average per week?

Accepted Answer

As of June 2026, there are 2 flights per week flying from London to Sylhet. The most common day of the week flights depart is Wed, with 50% of flights taking off on this day.

Question 10

How far in advance should I book a flight from London to Sylhet?

Accepted Answer

You are more likely to see cheaper flights to Sylhet from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Sylhet for around £957 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sylhet from London for as low as £875 on momondo.

Question 11

Which airline has the best punctuality record on London to Sylhet flights?

Accepted Answer

According to our data, Biman Bangladesh have had the fewest delays on this route over the last 12 months, with about 29% of their flights experiencing any sort of delay.

Question 12

What is the typical price of a round-trip flight between London and Sylhet?

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from £1,025 to £841.
The lowest price recently found on this route was £759.

Question 13

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Question 14

Which airlines fly direct from London to Sylhet?

Accepted Answer

If you’re after direct flights from London to Sylhet, Biman Bangladesh Airlines is the carrier to choose. It offers a flight every Sunday, Wednesday, Friday, and Saturday, leaving from London Heathrow Airport (LHR). The flight will take about 9h 20min, and you’ll land at Sylhet Osmani International Airport (ZYL) in Bangladesh. The next quickest flights all make at least one stop in-between. You can depart on Qatar Airways, once again from Heathrow, and change airlines at Doha Hamad International Airport (DOH), flying with Biman Bangladesh the rest of the way to Sylhet. This will take about 13h 20min. The other relatively short London to Sylhet flights make two stops and are operated by a combination of three airlines. You’ll depart from Heathrow on Lufthansa and transfer to Qatar Airways at Frankfurt am Main Airport (FRA). From there, you’ll fly to Doha and change to Biman Bangladesh for the final leg to Sylhet.

Question 15

What is the best way to get in and out of airports in London and Sylhet?

Accepted Answer

Heathrow Airport lies slightly to the west of Central London and being such a busy airport, transport there is very efficient. The fastest and most convenient way is to catch the Heathrow Express, which takes about 15 minutes. Trains leave from London Paddington Station every 15 minutes. You can catch a bus from the same station, which will take about an hour to get you to Heathrow. Otherwise, a Tube train will take you there in about 50 minutes on the Piccadilly Line. Alternatively, you can drive or take a taxi to the airport in roughly 30 minutes. Once you’ve landed in Bangladesh after flights from London to Sylhet, your arrival airport is much closer to the city. It will only take you about 8 minutes to get there by taxi – unfortunately public transport isn’t available. If you’ve hired a car, you can drive yourself in the same amount of time.

Which cities can you get to from Sylhet Airport?

You can reach many smaller cities and towns in the surrounding northern area of Bangladesh from Sylhet Airport. We’d recommend hiring a car in advance, as public transport is mainly restricted to the cities, with infrequent buses between towns. You can drive north-east to Sunāmganj, which will take just under 1h 20min. Driving south will take you to Moulvibazar in roughly 1 hour. Closer to Sylhet is Golapganj, which you can reach in about 25 minutes. While you’re online organising your car hire, don’t forget to check on momondo for cheap flights from London to Sylhet as soon as they’re available.

Question 16

What are the benefits of the different airports in London and Sylhet?

Accepted Answer

As one of the busiest international airports, Heathrow has a vast array of facilities to meet the needs of passengers on flights from London to Sylhet. Families travelling with children can use the free baby changing and feeding rooms, and if the kids are older, there’s a Stay & Play area opposite Gate 2. Of course, there are dozens of restaurants, fast-food kiosks, coffee shops, and pubs, as well as a generously large duty-free area. Passengers with limited mobility or hidden disability needs can arrange for personal assistance in advance. All areas of the terminals are wheelchair-accessible. Sylhet offers limited childcare facilities. For special assistance services for passengers with limited mobility, you’ll need to inform the airport through your chosen airline. You’ll find a single duty-free shop and a small number of places to get snacks and drinks, and there is a foreign exchange facility in the international terminal which caters for return and one-way flights from London to Sylhet.

Question 17

When did momondo last update prices for flights from London to Sylhet Osmani Intl Airport?

Accepted Answer

Prices for flights from London to Sylhet Osmani Intl Airport are updated daily.

Question 18

How many operators does momondo search for flights from London to Sylhet Osmani Intl Airport?

Accepted Answer

There is 1 operator available for flights from London to Sylhet Osmani Intl Airport as of June 2026.

Question 19

How old do you have to be to fly from London to Sylhet Osmani Intl Airport?

Accepted Answer

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London to Sylhet Osmani Intl Airport.

Question 20

What documentation or ID do you need to fly to Sylhet Osmani Intl Airport?

Accepted Answer

The travel and health documents you'll need for your trip to Sylhet Osmani Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sylhet Osmani Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best price found	£606
Fastest flight time	9h 40m
Direct flights	Mon, Thu, Sat and Sun
Airports in Sylhet	1 airport

Cheap flights from London to Sylhet from £420

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Sylhet departing on 24/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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What cabin class options are available on London to Sylhet flights?

How have London to Sylhet flight prices changed over time?

How often are flights from London to Sylhet delayed?

What is the most punctual flight time for London to Sylhet flights?

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