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Cheap flights from Sylhet to London Heathrow Airport from £277

ZYL — LHR
25 Oct — 1 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sylhet to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Sylhet to Heathrow

Sun 8/1113:00 -
3 stops28h 30m
Sun 15/1109:30 -
2 stops24h 25m
Deal found 24/9£807
Sun 8/1110:25 -
2 stops26h 10m
Sun 22/1108:45 -
2 stops30h 50m
Deal found 24/9£820
Sat 7/1122:00 -
2 stops20h 15m
Wed 2/1220:05 -
2 stops17h 15m
Deal found 24/9£832
Fri 25/907:55 -
2 stops40h 05m
Thu 1/1021:05 -
2 stops36h 40m
Deal found 24/9£835
Fri 6/1113:55 -
2 stops22h 30m
Fri 13/1114:15 -
2 stops25h 20m
Deal found 22/9£849
Sat 7/1112:10 -
2 stops24h 25m
Sat 14/1122:00 -
2 stops41h 35m
Deal found 23/9£851
Thu 24/908:20 -
2 stops27h 10m
Mon 28/909:35 -
2 stops23h 15m
Deal found 23/9£863
Wed 4/1116:20 -
2 stops27h 40m
Sat 5/1215:30 -
2 stops38h 15m
Deal found 25/9£869
Thu 1/1020:25 -
2 stops39h 30m
Thu 22/1010:00 -
2 stops44h 50m
Deal found 23/9£898

Find flight deals from Sylhet to Heathrow

Round-trip from

£807

One-way from

£277

Popular in

April

Cheapest in

October

Average price

£1,033

Good round-trip deal

£557 or less

Good one-way deal

£527 or less
8/11-15/11
  • 8/11-15/11
  • 5 total stops
  • 52h 55m total
  • Sylhet to London
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9/10-31/12
  • 9/10-31/12
  • 3 total stops
  • 35h 45m total
  • Sylhet to London
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Highest demand for flights based on searches. 4% potential increase in price (£37 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£21 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Price to beat on a round-trip flight from Sylhet Osmani Intl to London Heathrow.
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Price to beat on a one-way flight from Sylhet Osmani Intl to London Heathrow.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Sylhet to London Heathrow Airport that are best for you.

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Fly to

Route

Depart

Return

Price

Cheapest return flight

SylhetLondon

ZYL Sylhet Osmani Intl - LHR London Heathrow

ZYLLHR

Sylhet Osmani Intl

Fri 9/10

11:25-18:10

3 stops35h 45m

London Heathrow

Wed 31/12

00:00-05:00

Nonstop0h 00m

£277

SylhetLondon

ZYL Sylhet Osmani Intl - LHR London Heathrow

ZYLLHR

Sylhet Osmani Intl

Wed 30/9

14:20-18:10

3 stops32h 50m

London Heathrow

Wed 31/12

00:00-05:00

Nonstop0h 00m

£308

SylhetLondon

ZYL Sylhet Osmani Intl - LHR London Heathrow

ZYLLHR

Sylhet Osmani Intl

Sun 25/10

12:50-11:05

3 stops28h 15m

London Heathrow

Wed 31/12

00:00-05:00

Nonstop0h 00m

£338

SylhetLondon

ZYL Sylhet Osmani Intl - LHR London Heathrow

ZYLLHR

Sylhet Osmani Intl

Wed 21/10

07:55-18:10

2 stops39h 15m

London Heathrow

Wed 31/12

00:00-05:00

Nonstop0h 00m

£342

SylhetLondon

ZYL Sylhet Osmani Intl - LHR London Heathrow

ZYLLHR

Sylhet Osmani Intl

Mon 26/10

10:55-09:30

2 stops28h 35m

London Heathrow

Wed 31/12

00:00-05:00

Nonstop0h 00m

£348

SylhetLondon

ZYL Sylhet Osmani Intl - LHR London Heathrow

ZYLLHR

Sylhet Osmani Intl

Thu 17/12

08:35-11:05

3 stops32h 30m

London Heathrow

Wed 31/12

00:00-05:00

Nonstop0h 00m

£361

SylhetLondon

ZYL Sylhet Osmani Intl - LHR London Heathrow

ZYLLHR

Sylhet Osmani Intl

Fri 15/1

22:00-06:35

2 stops38h 35m

London Heathrow

Wed 31/12

00:00-05:00

Nonstop0h 00m

£441

SylhetLondon

ZYL Sylhet Osmani Intl - LHR London Heathrow

ZYLLHR

Sylhet Osmani Intl

Tue 17/11

12:10-08:00

2 stops25h 50m

London Heathrow

Wed 31/12

00:00-05:00

Nonstop0h 00m

£444

SylhetLondon

ZYL Sylhet Osmani Intl - LHR London Heathrow

ZYLLHR

Sylhet Osmani Intl

Sun 8/11

10:25-06:35

2 stops26h 10m

London Heathrow

Sun 22/11

08:45-21:35

2 stops30h 50m

£820

SylhetLondon

ZYL Sylhet Osmani Intl - LHR London Heathrow

ZYLLHR

Sylhet Osmani Intl

Sat 7/11

12:10-06:35

2 stops24h 25m

London Heathrow

Sat 14/11

22:00-21:35

2 stops41h 35m

£851

Flights are sorted by cheapest return flights first.

Deals found on 24/9

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Sylhet to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Sylhet with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Sylhet to London Heathrow Airport

What is the cheapest time of day to fly from ZYL to LHR?

When flying from Sylhet to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Sylhet to London Heathrow Airport?

Airfare is below average for this route at the moment.

Sylhet to London Heathrow Airport flights typically cost between £877 and £1,127 in November.
The cheapest return price found within the last 5 days was £807 on Multiple Airlines (8 Nov–15 Nov).

Reviews of airlines servicing Heathrow

Check out reviews from past customers who have flown with Biman Bangladesh from Sylhet to London Heathrow Airport 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
6.6
Okay
32 reviews
Check prices

Boarding

6.8

Crew

7.3

Overall

6.6

Comfort

6.4

Entertainment

6.1

Food

6.7
Biman Bangladesh
6.6
Okay
32 reviews
Biman Bangladesh
6.6
Okay
32 reviews
Check prices

Boarding

6.8

Crew

7.3

Overall

6.6

Comfort

6.4

Entertainment

6.1

Food

6.7

Related info for your journey

  • What airport do you fly from for flights from Sylhet to London Heathrow?

    Sylhet Osmani Intl (ZYL) is the airport you will fly out of if you book a flight from Sylhet to London Heathrow. You should not have trouble finding flights to London Heathrow from Osmani Intl; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Sylhet airport to London Heathrow. It is only a 4.3 mi journey to Osmani Intl (ZYL) from Sylhet’s city center.

  • What is the cheapest airline to fly from Sylhet to London Heathrow Airport round-trip?

    Flying on Biman Bangladesh is currently your cheapest option to London Heathrow Airport, with prices starting at £748. Biman Bangladesh is priced at 28% lower than the current average price of a flight leaving 3 months from now.

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

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

  • How can I find direct flights from Sylhet to Heathrow?

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

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

    Yes. Cheapflights offers flight deals from Sylhet to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Luton
Milton Keynes
Gatwick
Wembley
Slough
Ilford
Hayes
Croydon
Northampton
Colchester
Eastbourne
Enfield
Brentford
Southend-on-Sea
Barnet
Southall
Watford
Stratford-upon-Avon
Kingston upon Thames

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Sylhet to Heathrow

Dhaka to Heathrow flights
Dhaka to Gatwick flights
Dhaka to Stansted flights
Chittagong to Heathrow flights
Dhaka to London City flights

Top airline flying from Sylhet to Heathrow

AirlineCheapestAverageFlexibilityOn-time
Biman BangladeshCheapest£748Average£966FlexibilityNo cancel feeOn-time45%
Search Biman Bangladesh flights

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Need flexible booking options for your flight to Heathrow from Sylhet? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on Sylhet to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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