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Cheap flights from the United Kingdom to Sylhet from £226

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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ZYL
2 Sep — 9 Sep1
1 adult

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 28 August 2025.

Round-trip from

£661

One-way from

£226

Popular in

December

Cheapest in

September

Average price

£1,009

Good round-trip deal

£679 or less

Good one-way deal

£489 or less
4/11-15/11
  • 4/11-15/11
  • 4 total stops
  • 55h 20m total
  • United Kingdom to Sylhet
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9/11
  • 9/11
  • 3 total stops
  • 27h 05m total
  • United Kingdom to Sylhet
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£98 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£27 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from United Kingdom to Sylhet Osmani Intl.
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Price to beat on a one-way flight from United Kingdom to Sylhet Osmani Intl.
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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 28 August 2025.

Tue 4/1114:00BHX - ZYL
2 stops24h 20mMultiple Airlines
Sat 15/1111:00ZYL - BHX
2 stops31h 00mMultiple Airlines
Deal found 25/8£661
Thu 25/918:15STN - ZYL
3 stops22h 15mMultiple Airlines
Thu 2/1017:50ZYL - STN
3 stops27h 30mMultiple Airlines
Deal found 26/8£668
Wed 24/918:20LHR - ZYL
Nonstop9h 45mBiman Bangladesh
Wed 1/1009:35ZYL - LHR
Nonstop11h 20mBiman Bangladesh
Deal found 27/8£673
Fri 26/918:20LHR - ZYL
Nonstop9h 45mBiman Bangladesh
Fri 3/1009:35ZYL - LHR
Nonstop11h 20mBiman Bangladesh
Deal found 27/8£675
Thu 16/1015:20STN - ZYL
3 stops25h 10mMultiple Airlines
Sun 26/1017:50ZYL - STN
3 stops28h 45mMultiple Airlines
Deal found 27/8£676
Thu 4/1213:45MAN - ZYL
2 stops24h 35mMultiple Airlines
Mon 15/1208:30ZYL - MAN
2 stops33h 25mMultiple Airlines
Deal found 26/8£679
Mon 1/909:00LGW - ZYL
3 stops31h 30mMultiple Airlines
Mon 8/908:20ZYL - LGW
3 stops35h 40mMultiple Airlines
Deal found 27/8£682
Wed 5/1110:35LGW - ZYL
2 stops27h 10mMultiple Airlines
Wed 3/1216:25ZYL - LGW
2 stops43h 55mMultiple Airlines
Deal found 26/8£685
Tue 16/921:00MAN - ZYL
Nonstop9h 50mBiman Bangladesh
Tue 30/912:50ZYL - MAN
Nonstop11h 25mBiman Bangladesh
Deal found 26/8£687
Wed 5/1109:30LHR - ZYL
2 stops24h 30mMultiple Airlines
Wed 3/1209:55ZYL - LHR
2 stops50h 40mMultiple Airlines
Deal found 26/8£688
Mon 1/914:40LHR - ZYL
2 stops24h 15mMultiple Airlines
Mon 8/920:25ZYL - LHR
2 stops45h 15mMultiple Airlines
Deal found 27/8£692
Fri 5/910:00LHR - ZYL
2 stops22h 20mMultiple Airlines
Mon 15/917:50ZYL - LHR
2 stops23h 50mMultiple Airlines
Deal found 26/8£694

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 28 August 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

BirminghamSylhet

BHX - ZYL

BHXZYL

Birmingham

Tue 4/11

14:00-20:20

2 stops24h 20m

Sylhet Osmani Intl

Sat 15/11

11:00-12:00

2 stops31h 00m

£661

LondonSylhet

STN - ZYL

STNZYL

London Stansted

Thu 25/9

18:15-21:30

3 stops22h 15m

Sylhet Osmani Intl

Thu 2/10

17:50-16:20

3 stops27h 30m

£668

LondonSylhet

LHR - ZYL

LHRZYL

London Heathrow

Wed 7/1

15:45-17:20

2 stops19h 35m

Sylhet Osmani Intl

Thu 19/3

17:50-13:45

2 stops25h 55m

£673

LondonSylhet

LHR - ZYL

LHRZYL

London Heathrow

Wed 24/9

18:20-09:05

Nonstop9h 45m

Sylhet Osmani Intl

Wed 1/10

09:35-15:55

Nonstop11h 20m

£673

LondonSylhet

LHR - ZYL

LHRZYL

London Heathrow

Fri 26/9

18:20-09:05

Nonstop9h 45m

Sylhet Osmani Intl

Fri 3/10

09:35-15:55

Nonstop11h 20m

£675

LondonSylhet

STN - ZYL

STNZYL

London Stansted

Thu 16/10

15:20-21:30

3 stops25h 10m

Sylhet Osmani Intl

Sun 26/10

17:50-16:35

3 stops28h 45m

£676

LondonSylhet

LHR - ZYL

LHRZYL

London Heathrow

Wed 7/1

15:45-19:45

2 stops22h 00m

Sylhet Osmani Intl

Sat 31/1

20:10-13:45

2 stops23h 35m

£676

LondonSylhet

LHR - ZYL

LHRZYL

London Heathrow

Sun 11/1

15:45-19:45

2 stops22h 00m

Sylhet Osmani Intl

Fri 30/1

09:55-13:45

2 stops33h 50m

£679

ManchesterSylhet

MAN - ZYL

MANZYL

Manchester

Thu 4/12

13:45-20:20

2 stops24h 35m

Sylhet Osmani Intl

Mon 15/12

08:30-11:55

2 stops33h 25m

£679

LondonSylhet

LGW - ZYL

LGWZYL

London Gatwick

Wed 5/11

10:35-19:45

2 stops27h 10m

Sylhet Osmani Intl

Wed 3/12

16:25-06:20

2 stops43h 55m

£685

Flights are sorted by cheapest return flights first.

Deals found on 26/8

Showing 1-10 of 51 results
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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 28 August 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 £673. 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 £1,119, our data shows the cheapest flight currently is £459. When looking at the most popular route, (London Heathrow - Sylhet Osmani Intl), you can expect to pay £577 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

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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 28 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Biman BangladeshCheapest£576Average£812FlexibilityNo cancel feeOn-time45%
Search Biman Bangladesh flights

Fly with Cheapflights

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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.

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