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Cheap flights from the United Kingdom to Sylhet from £359

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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ZYL
21 Jul — 28 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap 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 21 June 2026.

Mon 31/814:40
LHR
-
ZYL
2 stops24h 20m
Multiple Airlines
Thu 24/910:05
ZYL
-
LHR
2 stops33h 10m
Multiple Airlines
Deal found 18/6£766
Tue 1/1210:00
LHR
-
ZYL
2 stops24h 40m
Multiple Airlines
Tue 15/1219:50
ZYL
-
LHR
2 stops22h 25m
Multiple Airlines
Deal found 20/6£767
Sun 1/1110:35
LGW
-
ZYL
2 stops22h 25m
Multiple Airlines
Fri 13/1109:55
ZYL
-
LGW
2 stops50h 25m
Multiple Airlines
Deal found 20/6£769
Wed 24/610:00
LHR
-
ZYL
2 stops29h 00m
Multiple Airlines
Wed 25/1109:55
ZYL
-
LHR
2 stops58h 50m
Multiple Airlines
Deal found 19/6£769
Wed 14/1010:40
LGW
-
ZYL
2 stops23h 05m
Multiple Airlines
Fri 13/1109:55
ZYL
-
LGW
2 stops50h 25m
Multiple Airlines
Deal found 20/6£771
Sat 7/1108:40
LGW
-
ZYL
2 stops48h 20m
Qatar Airways
Wed 18/1112:50
ZYL
-
LGW
2 stops47h 05m
Qatar Airways
Deal found 19/6£772
Wed 4/1108:35
LHR
-
ZYL
2 stops52h 55m
Qatar Airways
Wed 18/1112:50
ZYL
-
LHR
2 stops39h 05m
Qatar Airways
Deal found 19/6£773
Wed 24/609:00
LGW
-
ZYL
2 stops24h 45m
Multiple Airlines
Mon 13/720:25
ZYL
-
LGW
2 stops39h 15m
Multiple Airlines
Deal found 16/6£774
Wed 8/720:55
LHR
-
ZYL
3 stops33h 55m
Multiple Airlines
Sun 12/712:15
ZYL
-
LHR
3 stops34h 30m
Multiple Airlines
Deal found 19/6£774
Tue 3/1108:40
LGW
-
ZYL
2 stops29h 35m
Multiple Airlines
Tue 1/1207:20
ZYL
-
LGW
2 stops28h 35m
Multiple Airlines
Deal found 16/6£775
Sun 1/1108:40
LGW
-
ZYL
2 stops24h 20m
Qatar Airways
Wed 11/1109:55
ZYL
-
LGW
2 stops50h 00m
Qatar Airways
Deal found 19/6£775
Fri 6/1114:15
LHR
-
ZYL
2 stops23h 05m
Multiple Airlines
Sun 22/1108:35
ZYL
-
LHR
2 stops28h 55m
Multiple Airlines
Deal found 20/6£780

Find 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 21 June 2026.

Round-trip from

£766

One-way from

£359

Popular in

December

Cheapest in

September

Average price

£942

Good round-trip deal

£812 or less

Good one-way deal

£585 or less
31/8-24/9
  • 31/8-24/9
  • 4 total stops
  • 57h 30m total
  • United Kingdom to Sylhet
Search Deals
7/7
  • 7/7
  • 3 total stops
  • 25h 20m total
  • United Kingdom to Sylhet
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£124 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£31 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
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

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 21 June 2026.
Use the filters below to find and compare flights from the United Kingdom to Sylhet that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSylhet

LHR - ZYL

LHRZYL

London Heathrow

Tue 1/12

10:00-16:40

2 stops24h 40m

Sylhet Osmani Intl

Tue 15/12

19:50-12:15

2 stops22h 25m

£767

LondonSylhet

STN - ZYL

STNZYL

London Stansted

Wed 8/7

05:55-14:45

3 stops27h 50m

Sylhet Osmani Intl

Sun 19/7

12:50-12:55

3 stops29h 05m

£781

LondonSylhet

STN - ZYL

STNZYL

London Stansted

Sat 7/11

17:20-15:00

2 stops39h 40m

Sylhet Osmani Intl

Wed 18/11

09:55-16:20

2 stops36h 25m

£792

LondonSylhet

LGW - ZYL

LGWZYL

London Gatwick

Sun 8/11

06:30-15:00

2 stops26h 30m

Sylhet Osmani Intl

Sun 22/11

22:25-22:35

2 stops30h 10m

£794

LondonSylhet

LHR - ZYL

LHRZYL

London Heathrow

Thu 1/10

08:25-11:50

2 stops22h 25m

Sylhet Osmani Intl

Wed 14/10

08:05-22:00

2 stops18h 55m

£798

LondonSylhet

LGW - ZYL

LGWZYL

London Gatwick

Tue 8/9

09:00-20:00

2 stops30h 00m

Sylhet Osmani Intl

Wed 16/9

15:10-06:40

2 stops20h 30m

£807

LondonSylhet

STN - ZYL

STNZYL

London Stansted

Sun 1/11

10:55-15:00

2 stops22h 05m

Sylhet Osmani Intl

Thu 26/11

09:15-16:20

2 stops37h 05m

£807

LondonSylhet

STN - ZYL

STNZYL

London Stansted

Sun 1/11

10:55-15:00

2 stops22h 05m

Sylhet Osmani Intl

Sat 28/11

08:50-16:20

2 stops37h 30m

£809

LondonSylhet

STN - ZYL

STNZYL

London Stansted

Wed 8/7

05:55-17:50

3 stops30h 55m

Sylhet Osmani Intl

Wed 29/7

21:45-13:35

2 stops20h 50m

£813

ManchesterSylhet

MAN - ZYL

MANZYL

Manchester

Wed 30/9

21:15-11:50

2 stops33h 35m

Sylhet Osmani Intl

Wed 4/11

09:55-19:40

2 stops39h 45m

£825

Flights are sorted by cheapest return flights first.

Deals found on 19/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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 £704). Flying from United Kingdom to Sylhet in December is currently the most expensive (average of £1,443). 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 21 June 2026.

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.

How often are flights from the United Kingdom to Sylhet delayed?

About 30% of weekly flights between United Kingdom and Sylhet have experienced delays in the past year, with the average delay time being 175 minutes.

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

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

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

Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, Biman Bangladesh have had the lowest number of delays on this route, with just 30% of flights being delayed.

How far ahead should I book a flight from United Kingdom to Sylhet?

The best time to book flights from United Kingdom to Sylhet is 45 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 21 June 2026.
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
7.2
Good
28 reviews
Check prices

Food

7.2

Overall

7.2

Crew

7.8

Boarding

7.4

Comfort

6.8

Entertainment

6.6
Biman Bangladesh
7.2
Good
28 reviews
Biman Bangladesh
7.2
Good
28 reviews
Check prices

Food

7.2

Overall

7.2

Crew

7.8

Boarding

7.4

Comfort

6.8

Entertainment

6.6

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 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 £1,157, our data shows the cheapest flight currently is £578. When looking at the most popular route, (London Heathrow - Sylhet Osmani Intl), you can expect to pay £720 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 £704). Flying from United Kingdom to Sylhet in December is currently the most expensive (average of £1,443). 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 21 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Biman BangladeshCheapest£664Average£918FlexibilityNo 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.

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