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Cheap flights from the United Kingdom to Sylhet from £295

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 13/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ZYL
14 Nov — 21 Nov1
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 October 2025.

Round-trip from

£664

One-way from

£295

Popular in

December

Cheapest in

September

Average price

£866

Good round-trip deal

£704 or less

Good one-way deal

£505 or less
16/11-9/12
  • 16/11-9/12
  • 4 total stops
  • 55h 15m total
  • United Kingdom to Sylhet
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13/1
  • 13/1
  • 2 total stops
  • 35h 40m total
  • United Kingdom to Sylhet
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£121 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£29 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 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

Enter your travel dates to find the best prices.

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 October 2025.

Tue 18/1114:15LHR - ZYL
2 stops23h 05mMultiple Airlines
Mon 1/1217:10ZYL - LHR
2 stops25h 05mMultiple Airlines
Deal found 14/10£667
Wed 31/1214:15LHR - ZYL
2 stops24h 55mMultiple Airlines
Sun 18/114:50ZYL - LHR
2 stops27h 25mMultiple Airlines
Deal found 14/10£671
Mon 10/1110:00LHR - ZYL
2 stops27h 25mMultiple Airlines
Tue 25/1107:20ZYL - LHR
2 stops30h 10mMultiple Airlines
Deal found 14/10£673
Sun 16/1107:15MAN - ZYL
3 stops26h 15mMultiple Airlines
Sun 14/1212:15ZYL - MAN
3 stops35h 10mMultiple Airlines
Deal found 13/10£685
Sun 30/1110:00LHR - ZYL
2 stops28h 00mMultiple Airlines
Thu 25/1209:35ZYL - LHR
3 stops32h 40mMultiple Airlines
Deal found 12/10£685
Fri 28/1111:15MAN - ZYL
2 stops28h 15mMultiple Airlines
Fri 5/1209:55ZYL - MAN
2 stops29h 35mMultiple Airlines
Deal found 14/10£687
Mon 3/1114:15LHR - ZYL
2 stops20h 25mMultiple Airlines
Mon 17/1108:35ZYL - LHR
2 stops28h 55mMultiple Airlines
Deal found 14/10£692
Mon 3/1110:00LHR - ZYL
2 stops27h 20mMultiple Airlines
Tue 18/1108:35ZYL - LHR
2 stops28h 55mMultiple Airlines
Deal found 14/10£694
Wed 12/1114:15LHR - ZYL
2 stops24h 55mMultiple Airlines
Fri 26/1208:35ZYL - LHR
2 stops28h 55mMultiple Airlines
Deal found 14/10£696
Tue 18/1114:00LGW - ZYL
2 stops25h 10mMultiple Airlines
Mon 1/1214:50ZYL - LGW
2 stops27h 10mMultiple Airlines
Deal found 14/10£704
Wed 31/1210:00LHR - ZYL
2 stops28h 00mMultiple Airlines
Thu 29/110:55ZYL - LHR
2 stops39h 25mMultiple Airlines
Deal found 13/10£706
Tue 30/1214:05LGW - ZYL
2 stops43h 25mMultiple Airlines
Mon 2/212:50ZYL - LGW
2 stops23h 05mMultiple Airlines
Deal found 13/10£715

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 October 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

LHR - ZYL

LHRZYL

London Heathrow

Tue 18/11

14:15-19:20

2 stops23h 05m

Sylhet Osmani Intl

Mon 1/12

17:10-12:15

2 stops25h 05m

£667

ManchesterSylhet

MAN - ZYL

MANZYL

Manchester

Sun 16/11

07:15-15:30

3 stops26h 15m

Sylhet Osmani Intl

Sun 14/12

12:15-17:25

3 stops35h 10m

£685

LondonSylhet

LHR - ZYL

LHRZYL

London Heathrow

Thu 12/2

10:00-16:40

2 stops24h 40m

Sylhet Osmani Intl

Thu 5/3

08:35-12:15

3 stops33h 40m

£685

LondonSylhet

LHR - ZYL

LHRZYL

London Heathrow

Thu 1/1

10:00-21:10

2 stops29h 10m

Sylhet Osmani Intl

Sun 25/1

08:35-07:30

2 stops28h 55m

£685

LondonSylhet

LHR - ZYL

LHRZYL

London Heathrow

Wed 14/1

10:00-19:20

2 stops27h 20m

Sylhet Osmani Intl

Sun 15/2

17:10-07:30

2 stops44h 20m

£691

LondonSylhet

LGW - ZYL

LGWZYL

London Gatwick

Tue 18/11

14:00-21:10

2 stops25h 10m

Sylhet Osmani Intl

Mon 1/12

14:50-12:00

2 stops27h 10m

£704

LondonSylhet

LGW - ZYL

LGWZYL

London Gatwick

Sun 1/3

06:25-15:10

2 stops26h 45m

Sylhet Osmani Intl

Sun 15/3

22:10-22:35

2 stops30h 25m

£711

LondonSylhet

LGW - ZYL

LGWZYL

London Gatwick

Mon 19/1

09:00-20:00

2 stops29h 00m

Sylhet Osmani Intl

Mon 2/2

12:50-12:35

2 stops29h 45m

£712

LondonSylhet

LHR - ZYL

LHRZYL

London Heathrow

Thu 1/1

10:00-19:20

2 stops27h 20m

Sylhet Osmani Intl

Fri 30/1

08:35-12:15

2 stops33h 40m

£715

LondonSylhet

LGW - ZYL

LGWZYL

London Gatwick

Tue 3/2

14:05-15:30

2 stops19h 25m

Sylhet Osmani Intl

Tue 10/2

10:45-05:55

2 stops25h 10m

£715

Flights are sorted by cheapest return flights first.

Deals found on 13/10

Showing 1-10 of 60 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, June is the cheapest month in which you can book a flight from United Kingdom to Sylhet (average of £510). Flying from United Kingdom to Sylhet in July is currently the most expensive (average of £733). 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 October 2025.

It’s optimal to fly from United Kingdom to Sylhet at midday. By choosing this option you can save up to 49% on the cost of your flight, compared to a flight in the afternoon.

Reviews of airlines servicing Sylhet

Get insights into the airlines that provide service to Sylhet. 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 Sylhet. Reviews last updated 15 October 2025.
Check out reviews from past customers who have flown with Biman Bangladesh from the United Kingdom to Sylhet 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

Comfort

6.3

Boarding

7.0

Crew

7.5

Overall

6.7

Entertainment

6.0

Food

6.8
Biman Bangladesh
6.7
Okay
23 reviews
Biman Bangladesh
6.7
Okay
23 reviews
Check prices

Comfort

6.3

Boarding

7.0

Crew

7.5

Overall

6.7

Entertainment

6.0

Food

6.8

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.

  • 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 Manchester - 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 £1,133, our data shows the cheapest flight currently is £476. When looking at the most popular route, (London Heathrow - Sylhet Osmani Intl), you can expect to pay £679 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, June is the cheapest month in which you can book a flight from United Kingdom to Sylhet (average of £510). Flying from United Kingdom to Sylhet in July is currently the most expensive (average of £733). 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

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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 15 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Biman BangladeshCheapest£613Average£858FlexibilityNo 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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