Find flights
Deals
When to book
FAQs

Cheap flights from the United Kingdom to Sylhet from £345

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ZYL
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheap flight deals from United Kingdom to Sylhet

Keep the following information in mind while searching for United Kingdom to Sylhet flight deals. Data was last updated 15 September 2025.

Round-trip from

£645

One-way from

£345

Popular in

December

Cheapest in

September

Average price

£694

Good round-trip deal

£661 or less

Good one-way deal

£475 or less
12/11-28/1
  • 12/11-28/1
  • 6 total stops
  • 56h 45m total
  • United Kingdom to Sylhet
Search Deals
12/10
  • 12/10
  • 3 total stops
  • 40h 55m total
  • United Kingdom to Sylhet
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£102 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£27 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from United Kingdom to Sylhet Osmani Intl.
Search Deals
Price to beat on a one-way flight from United Kingdom to Sylhet Osmani Intl.
Search Deals

Find flight deals from United Kingdom to Sylhet

Cheapest flights from United Kingdom to Sylhet
Explore the most affordable flight options available from United Kingdom to Sylhet. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Wed 12/1111:30LHR - ZYL
3 stops26h 50mMultiple Airlines
Wed 28/113:50ZYL - LHR
3 stops29h 55mMultiple Airlines
Deal found 13/9£645
Sun 30/1106:25LGW - ZYL
3 stops28h 55mMultiple Airlines
Sun 25/113:50ZYL - LGW
3 stops38h 15mMultiple Airlines
Deal found 15/9£650
Sun 30/1105:55STN - ZYL
3 stops25h 25mMultiple Airlines
Sun 25/113:50ZYL - STN
3 stops28h 15mMultiple Airlines
Deal found 15/9£651
Wed 5/1110:45LHR - ZYL
2 stops27h 00mMultiple Airlines
Mon 17/1110:55ZYL - LHR
2 stops32h 50mMultiple Airlines
Deal found 13/9£654
Fri 19/918:20LHR - ZYL
Nonstop9h 45mBiman Bangladesh
Thu 23/1010:45ZYL - LHR
Nonstop11h 20mBiman Bangladesh
Deal found 14/9£660
Fri 26/918:20LHR - ZYL
Nonstop9h 45mBiman Bangladesh
Sat 11/1009:35ZYL - LHR
Nonstop11h 20mBiman Bangladesh
Deal found 14/9£662
Fri 26/906:30LHR - ZYL
3 stops20h 20mMultiple Airlines
Fri 3/1008:05ZYL - LHR
3 stops27h 55mMultiple Airlines
Deal found 12/9£664
Mon 13/1007:25LGW - ZYL
3 stops33h 05mMultiple Airlines
Sun 26/1008:30ZYL - LGW
3 stops28h 00mMultiple Airlines
Deal found 15/9£666
Tue 23/900:20STN - ZYL
3 stops30h 00mMultiple Airlines
Thu 16/1011:50ZYL - STN
3 stops30h 05mMultiple Airlines
Deal found 14/9£666
Sun 9/1111:30LHR - ZYL
3 stops23h 50mMultiple Airlines
Sun 21/1213:50ZYL - LHR
3 stops29h 55mMultiple Airlines
Deal found 15/9£667
Thu 18/919:40LHR - ZYL
Nonstop9h 45mBiman Bangladesh
Fri 3/1009:35ZYL - LHR
Nonstop11h 20mBiman Bangladesh
Deal found 14/9£669
Sat 27/916:45STN - ZYL
3 stops23h 45mMultiple Airlines
Fri 17/1011:25ZYL - STN
3 stops33h 15mMultiple Airlines
Deal found 15/9£670

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom to Sylhet that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 15 September 2025.
Use the filters below to find and compare flights from the United Kingdom to Sylhet that are best for you.

Fly from

United Kingdom

Fly to

Sylhet

Route

Depart

Return

Price

LondonSylhet

LGW - ZYL

LGWZYL

London Gatwick

Mon 13/10

07:25-21:30

3 stops33h 05m

Sylhet Osmani Intl

Sun 26/10

08:30-06:30

3 stops28h 00m

£666

LondonSylhet

STN - ZYL

STNZYL

London Stansted

Sat 27/9

16:45-21:30

3 stops23h 45m

Sylhet Osmani Intl

Fri 17/10

11:25-15:40

3 stops33h 15m

£670

LondonSylhet

STN - ZYL

STNZYL

London Stansted

Fri 7/11

06:10-13:20

3 stops25h 10m

Sylhet Osmani Intl

Sun 30/11

13:50-14:35

3 stops30h 45m

£680

LondonSylhet

LHR - ZYL

LHRZYL

London Heathrow

Thu 25/9

19:40-10:25

Nonstop9h 45m

Sylhet Osmani Intl

Wed 15/10

09:35-15:55

Nonstop11h 20m

£687

LondonSylhet

LGW - ZYL

LGWZYL

London Gatwick

Wed 5/11

06:25-16:00

2 stops27h 35m

Sylhet Osmani Intl

Mon 17/11

10:55-09:10

2 stops52h 15m

£689

LondonSylhet

LGW - ZYL

LGWZYL

London Gatwick

Tue 10/2

06:25-19:45

2 stops31h 20m

Sylhet Osmani Intl

Fri 1/5

12:15-09:55

2 stops50h 40m

£692

ManchesterSylhet

MAN - ZYL

MANZYL

Manchester

Thu 27/11

11:30-20:20

3 stops26h 50m

Sylhet Osmani Intl

Thu 29/1

13:50-00:15

3 stops40h 25m

£694

LondonSylhet

STN - ZYL

STNZYL

London Stansted

Sat 8/11

09:30-21:25

2 stops29h 55m

Sylhet Osmani Intl

Fri 21/11

20:50-23:45

3 stops32h 55m

£697

LondonSylhet

LGW - ZYL

LGWZYL

London Gatwick

Sun 9/11

06:35-20:20

3 stops31h 45m

Sylhet Osmani Intl

Sun 21/12

08:30-21:20

2 stops18h 50m

£698

LondonSylhet

STN - ZYL

STNZYL

London Stansted

Sat 11/10

00:20-07:50

3 stops26h 30m

Sylhet Osmani Intl

Sun 26/10

13:50-14:35

3 stops30h 45m

£698

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Showing 1-10 of 55 results
1
2
3
...
6

Best time to book a flight from United Kingdom to Sylhet

Have a flexible travel schedule? Discover the best time to fly to Sylhet from United Kingdom 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 the United Kingdom to Sylhet

What is the cheapest month to book a flight from United Kingdom to Sylhet?

Currently, September is the cheapest month in which you can book a flight from United Kingdom to Sylhet (average of £842). Flying from United Kingdom to Sylhet in July is currently the most expensive (average of £1,376). 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 GB to ZYL?

Find hourly flight availability from United Kingdom to Sylhet. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from United Kingdom to Sylhet as you normally would.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to Sylhet. 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 into for flights to Sylhet from United Kingdom?

    Most people fly into Sylhet Osmani Intl (ZYL) if they book a flight to Sylhet from United Kingdom. Osmani Intl is conveniently located just 4.3 mi from Sylhet’s city center.

  • How long is the flight from United Kingdom to Sylhet?

    A quick flight from United Kingdom to Sylhet can take about 9h 45m. Biman Bangladesh provides one of the quickest options available for as low as £687. Airlines will cover a distance of 4979 mi. Most flights are nonstop.

  • What are the most popular routes from United Kingdom to Sylhet?

    The most popular route from United Kingdom to Sylhet is London Heathrow - Sylhet Osmani Intl. You may also consider London Gatwick - Sylhet Osmani Intl or London Stansted - Sylhet Osmani Intl.

  • What are the cheapest flights from United Kingdom to Sylhet?

    While on average a flight from United Kingdom to Sylhet is generally £1,106, our data shows the cheapest flight currently is £438. When looking at the most popular route, (London Heathrow - Sylhet Osmani Intl), you can expect to pay £580 for that flight.

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

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

  • How can I find direct flights from United Kingdom to Sylhet?

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

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

    Yes. Cheapflights offers flight deals from United Kingdom to Sylhet 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 United Kingdom to Sylhet?

    Currently, September is the cheapest month in which you can book a flight from United Kingdom to Sylhet (average of £842). Flying from United Kingdom to Sylhet in July is currently the most expensive (average of £1,376). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from United Kingdom to Sylhet

Discover the top airline that operate flights from United Kingdom to Sylhet. 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 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Biman BangladeshCheapest£574Average£818FlexibilityNo cancel feeOn-time45%
Search Biman Bangladesh flights

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 United Kingdom to Sylhet?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from United Kingdom to Sylhet. 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 United Kingdom to Sylhet?

Cheapflights helps you find that perfect flight to Sylhet from United Kingdom 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 United Kingdom to Sylhet with no change fees?

Yes! Cheapflights helps users easily find flights from United Kingdom to Sylhet with no change fees.

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

Not ready to book yet? You can track prices for flights from United Kingdom to Sylhet on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.