Cheap flights from the United Kingdom to Sylhet from £257

LHR — ZYL
13 Oct — 20 Oct1
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

Sun 11/1016:45 -
3 stops33h 50m
Thu 29/1008:15 -
3 stops29h 10m
Deal found 9/9£666
Thu 17/915:20 -
3 stops35h 15m
Thu 8/1014:20 -
2 stops23h 25m
Deal found 8/9£667
Sun 11/1014:55 -
3 stops35h 40m
Tue 20/1022:10 -
2 stops25h 25m
Deal found 8/9£667
Sun 13/916:45 -
3 stops33h 50m
Sun 27/914:20 -
3 stops25h 30m
Deal found 8/9£667
Thu 1/1015:20 -
3 stops35h 15m
Sat 17/1008:20 -
3 stops34h 30m
Deal found 9/9£670
Thu 17/916:05 -
3 stops34h 30m
Wed 23/921:45 -
2 stops20h 50m
Deal found 10/9£670
Tue 6/1019:00 -
3 stops31h 35m
Sun 18/1012:50 -
3 stops24h 35m
Deal found 10/9£671
Thu 1/1014:40 -
3 stops35h 55m
Sat 17/1008:20 -
3 stops34h 15m
Deal found 9/9£672
Thu 17/913:55 -
3 stops36h 40m
Tue 13/1008:20 -
3 stops33h 30m
Deal found 9/9£674
Sun 13/910:00 -
2 stops20h 20m
Sun 27/916:30 -
2 stops31h 05m
Deal found 8/9£675
Tue 8/916:45 -
3 stops33h 50m
Tue 22/914:20 -
3 stops25h 30m
Deal found 8/9£676
Sun 20/919:00 -
3 stops31h 35m
Wed 30/912:15 -
3 stops27h 35m
Deal found 10/9£676

Find flight deals from United Kingdom to Sylhet

Round-trip from

£666

One-way from

£257

Popular in

December

Cheapest in

September

Average price

£739

Good round-trip deal

£708 or less

Good one-way deal

£458 or less
11/10-29/10
  • 11/10-29/10
  • 6 total stops
  • 63h 00m total
  • United Kingdom to Sylhet
11/10-31/12
  • 11/10-31/12
  • 3 total stops
  • 32h 55m total
  • United Kingdom to Sylhet
Highest demand for flights based on searches. 15% potential increase in price (£123 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£30 potential savings vs. average return price).
Average for round-trip flights in September 2026
Price to beat on a round-trip flight from United Kingdom to Sylhet Osmani Intl.
Price to beat on a one-way flight from United Kingdom to Sylhet Osmani Intl.

Cheapflights Fare Finder

 
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

BirminghamSylhet

BHX Birmingham - ZYL Sylhet Osmani Intl

BHXZYL

Birmingham

Sat 31/10

06:15-08:05

3 stops43h 50m

Sylhet Osmani Intl

Wed 31/12

00:00-19:00

Nonstop0h 00m

£302

LondonSylhet

STN London Stansted - ZYL Sylhet Osmani Intl

STNZYL

London Stansted

Wed 18/11

06:25-12:30

3 stops24h 05m

Sylhet Osmani Intl

Wed 31/12

00:00-19:00

Nonstop0h 00m

£303

LondonSylhet

STN London Stansted - ZYL Sylhet Osmani Intl

STNZYL

London Stansted

Mon 16/11

06:00-07:30

2 stops19h 30m

Sylhet Osmani Intl

Wed 31/12

00:00-19:00

Nonstop0h 00m

£304

LondonSylhet

STN London Stansted - ZYL Sylhet Osmani Intl

STNZYL

London Stansted

Fri 9/10

17:05-21:40

3 stops23h 35m

Sylhet Osmani Intl

Wed 31/12

00:00-19:00

Nonstop0h 00m

£313

LondonSylhet

STN London Stansted - ZYL Sylhet Osmani Intl

STNZYL

London Stansted

Wed 2/12

23:20-14:20

3 stops33h 00m

Sylhet Osmani Intl

Wed 31/12

00:00-19:00

Nonstop0h 00m

£315

LondonSylhet

STN London Stansted - ZYL Sylhet Osmani Intl

STNZYL

London Stansted

Thu 8/10

11:50-07:35

2 stops38h 45m

Sylhet Osmani Intl

Wed 31/12

00:00-19:00

Nonstop0h 00m

£316

LondonSylhet

STN London Stansted - ZYL Sylhet Osmani Intl

STNZYL

London Stansted

Thu 26/11

09:00-19:30

3 stops28h 30m

Sylhet Osmani Intl

Wed 31/12

00:00-19:00

Nonstop0h 00m

£327

LondonSylhet

LGW London Gatwick - ZYL Sylhet Osmani Intl

LGWZYL

London Gatwick

Fri 9/10

15:20-21:40

3 stops25h 20m

Sylhet Osmani Intl

Wed 31/12

00:00-19:00

Nonstop0h 00m

£330

LondonSylhet

LGW London Gatwick - ZYL Sylhet Osmani Intl

LGWZYL

London Gatwick

Mon 30/11

06:45-19:20

3 stops30h 35m

Sylhet Osmani Intl

Wed 31/12

00:00-19:00

Nonstop0h 00m

£332

LondonSylhet

STN London Stansted - ZYL Sylhet Osmani Intl

STNZYL

London Stansted

Sat 21/11

06:00-12:30

3 stops24h 30m

Sylhet Osmani Intl

Wed 31/12

00:00-19:00

Nonstop0h 00m

£333

Flights are sorted by cheapest return flights first.

Deals found on 9/9

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

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 £734). Flying from United Kingdom to Sylhet in December is currently the most expensive (average of £1,282). 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?

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 31% of weekly flights between United Kingdom and Sylhet have experienced delays in the past year, with the average delay time being 171 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?

Friday 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 31% 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 76 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

Check out reviews from past customers who have flown with Qatar Airways and 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.

Food

7.3

Boarding

7.5

Comfort

7.3

Crew

7.9

Overall

7.4

Entertainment

7.3

Reviews

1 / 20
4.0
Okay

Janak,Oct 2023

ORD - DOH

I would never fly qatar again . followings are the reason. 1: they sell all seats trying to make more money even the seat is not confortable. 2 laser thin seats no cusion on economy seats for 13 hrs long journey. 3 seat sizes are small to fit american body and not enough room to scratch legs. Specially middle seats 4 doha airport sucks. Mile long walk to change plane trying to force customers to pass by their duty free stores. 5 not enought passenger waiting seats by gate c 81 c82..... 6 no gate for planes going to ahmedabad and other other indian cities. Buses with only 6 seats tranfering paasenger to plane parked on tarmac. 7 once get off the bus passengers are stepping up all steps to reach planes entrance door. Problem for passengers have a knee problem n slighly poor health condition. 8 cost of priority seat reservation too high compared to air india. 9 they advertise their religion on entertainment platform. 10 map navigation software shows on Arabic language about 3/4 of time and 1/ 4 of selected language after languages selection of software. Once languages sected display shoud show on selected lunguage not the arabic lunguage 75 % of time. 11. Some seats are blocked for selection all the time and never open for customer option. Eg. 44a 44b And all a b c seats from raw 45 to 48. I can go on and on.... I am going back to chicago i am still worried my seats from ahmdavad to chicago. I am worried i dont fit comfortabley on laser thin tight seating arrangments. God bless me.

Food

7.3

Boarding

7.5

Comfort

7.3

Crew

7.9

Overall

7.4

Entertainment

7.3

Reviews

1 / 20
4.0
Okay

Janak,Oct 2023

ORD - DOH

I would never fly qatar again . followings are the reason. 1: they sell all seats trying to make more money even the seat is not confortable. 2 laser thin seats no cusion on economy seats for 13 hrs long journey. 3 seat sizes are small to fit american body and not enough room to scratch legs. Specially middle seats 4 doha airport sucks. Mile long walk to change plane trying to force customers to pass by their duty free stores. 5 not enought passenger waiting seats by gate c 81 c82..... 6 no gate for planes going to ahmedabad and other other indian cities. Buses with only 6 seats tranfering paasenger to plane parked on tarmac. 7 once get off the bus passengers are stepping up all steps to reach planes entrance door. Problem for passengers have a knee problem n slighly poor health condition. 8 cost of priority seat reservation too high compared to air india. 9 they advertise their religion on entertainment platform. 10 map navigation software shows on Arabic language about 3/4 of time and 1/ 4 of selected language after languages selection of software. Once languages sected display shoud show on selected lunguage not the arabic lunguage 75 % of time. 11. Some seats are blocked for selection all the time and never open for customer option. Eg. 44a 44b And all a b c seats from raw 45 to 48. I can go on and on.... I am going back to chicago i am still worried my seats from ahmdavad to chicago. I am worried i dont fit comfortabley on laser thin tight seating arrangments. God bless me.

Food

7.3

Boarding

7.5

Comfort

7.3

Crew

7.9

Overall

7.4

Entertainment

7.3

Reviews

1 / 20
4.0
Okay

Janak,Oct 2023

ORD - DOH

I would never fly qatar again . followings are the reason. 1: they sell all seats trying to make more money even the seat is not confortable. 2 laser thin seats no cusion on economy seats for 13 hrs long journey. 3 seat sizes are small to fit american body and not enough room to scratch legs. Specially middle seats 4 doha airport sucks. Mile long walk to change plane trying to force customers to pass by their duty free stores. 5 not enought passenger waiting seats by gate c 81 c82..... 6 no gate for planes going to ahmedabad and other other indian cities. Buses with only 6 seats tranfering paasenger to plane parked on tarmac. 7 once get off the bus passengers are stepping up all steps to reach planes entrance door. Problem for passengers have a knee problem n slighly poor health condition. 8 cost of priority seat reservation too high compared to air india. 9 they advertise their religion on entertainment platform. 10 map navigation software shows on Arabic language about 3/4 of time and 1/ 4 of selected language after languages selection of software. Once languages sected display shoud show on selected lunguage not the arabic lunguage 75 % of time. 11. Some seats are blocked for selection all the time and never open for customer option. Eg. 44a 44b And all a b c seats from raw 45 to 48. I can go on and on.... I am going back to chicago i am still worried my seats from ahmdavad to chicago. I am worried i dont fit comfortabley on laser thin tight seating arrangments. God bless me.

Related info for your journey

  • 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?

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

    While on average a flight from United Kingdom to Sylhet is generally £1,422, our data shows the cheapest flight currently is £321. When looking at the most popular route, (London Heathrow - Sylhet Osmani Intl), you can expect to pay £638 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 £734). Flying from United Kingdom to Sylhet in December is currently the most expensive (average of £1,282). 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

Top airline flying from United Kingdom to Sylhet

AirlineCheapestAverageFlexibilityOn-time
Biman BangladeshCheapest£636Average£894FlexibilityNo cancel feeOn-time45%
Search Biman Bangladesh flights

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