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£596+ Direct flights to Sylhet

This is the cheapest price on a non-stop flight to Sylhet found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
— ZYL
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Find flight deals to Sylhet

Cheapest flights to Sylhet
Explore the most affordable flight options available to Sylhet. Find the lowest fares based on data from user searches, with prices last updated on 17 September 2025.

Fri 26/918:20LHR - ZYL
Nonstop9h 45mBiman Bangladesh
Sat 11/1009:35ZYL - LHR
Nonstop11h 20mBiman Bangladesh
Deal found 14/9£658
Thu 9/1019:40LHR - ZYL
Nonstop9h 45mBiman Bangladesh
Thu 23/1010:45ZYL - LHR
Nonstop11h 20mBiman Bangladesh
Deal found 15/9£661
Fri 3/1018:20LHR - ZYL
Nonstop9h 45mBiman Bangladesh
Fri 17/1009:35ZYL - LHR
Nonstop11h 20mBiman Bangladesh
Deal found 15/9£666
Fri 3/1018:20LHR - ZYL
Nonstop9h 45mBiman Bangladesh
Fri 10/1009:35ZYL - LHR
Nonstop11h 20mBiman Bangladesh
Deal found 14/9£670
Sat 27/918:20LHR - ZYL
Nonstop9h 45mBiman Bangladesh
Fri 17/1009:35ZYL - LHR
Nonstop11h 20mBiman Bangladesh
Deal found 15/9£678
Fri 26/918:20LHR - ZYL
Nonstop9h 45mBiman Bangladesh
Thu 9/1010:45ZYL - LHR
Nonstop11h 20mBiman Bangladesh
Deal found 14/9£683
Fri 26/918:20LHR - ZYL
Nonstop9h 45mBiman Bangladesh
Sun 12/1009:35ZYL - LHR
Nonstop11h 20mBiman Bangladesh
Deal found 14/9£685
Sun 28/918:20LHR - ZYL
Nonstop9h 45mBiman Bangladesh
Sat 18/1009:35ZYL - LHR
Nonstop11h 20mBiman Bangladesh
Deal found 14/9£700
Wed 8/1018:20LHR - ZYL
Nonstop9h 45mBiman Bangladesh
Wed 22/1009:35ZYL - LHR
Nonstop11h 20mBiman Bangladesh
Deal found 16/9£704
Sat 27/918:20LHR - ZYL
Nonstop9h 45mBiman Bangladesh
Fri 10/1009:35ZYL - LHR
Nonstop11h 20mBiman Bangladesh
Deal found 14/9£708
Wed 1/1018:20LHR - ZYL
Nonstop9h 45mBiman Bangladesh
Wed 22/1009:35ZYL - LHR
Nonstop11h 20mBiman Bangladesh
Deal found 16/9£727
Fri 10/1018:20LHR - ZYL
Nonstop9h 45mBiman Bangladesh
Fri 24/1009:35ZYL - LHR
Nonstop11h 20mBiman Bangladesh
Deal found 15/9£728

Best time to book a flight to Sylhet

Have a flexible travel schedule? Discover the best time to fly to Sylhet 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 Fare Finder

 
Use the slider to find non-stop flights to Sylhet within your budget. Price data is based on user searches made on Cheapflights. Over the past seven days, Cheapflights users made 858,174 searches and data was last updated on 17 September 2025.
Use the filters below to find and compare direct flights to Sylhet that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonSylhet

LHR - ZYL

LHRZYL

London Heathrow

Wed 1/10

18:20-09:05

Nonstop9h 45m

Sylhet Osmani Intl

Wed 8/10

09:35-15:55

Nonstop11h 20m

£665

LondonSylhet

LHR - ZYL

LHRZYL

London Heathrow

Sat 4/10

18:20-09:05

Nonstop9h 45m

Sylhet Osmani Intl

Fri 17/10

09:35-15:55

Nonstop11h 20m

£683

LondonSylhet

LHR - ZYL

LHRZYL

London Heathrow

Sun 28/9

18:20-09:05

Nonstop9h 45m

Sylhet Osmani Intl

Sun 14/12

10:25-16:05

Nonstop11h 40m

£736

LondonSylhet

LHR - ZYL

LHRZYL

London Heathrow

Wed 8/10

18:20-09:05

Nonstop9h 45m

Sylhet Osmani Intl

Sat 6/12

10:25-16:05

Nonstop11h 40m

£740

LondonSylhet

LHR - ZYL

LHRZYL

London Heathrow

Wed 8/10

18:20-09:05

Nonstop9h 45m

Sylhet Osmani Intl

Sun 7/12

10:25-16:05

Nonstop11h 40m

£740

LondonSylhet

LHR - ZYL

LHRZYL

London Heathrow

Sat 4/10

18:20-09:05

Nonstop9h 45m

Sylhet Osmani Intl

Sun 7/12

10:25-16:05

Nonstop11h 40m

£740

LondonSylhet

LHR - ZYL

LHRZYL

London Heathrow

Sun 15/3

18:15-09:55

Nonstop9h 40m

Sylhet Osmani Intl

Wed 18/3

10:25-16:05

Nonstop11h 40m

£779

LondonSylhet

LHR - ZYL

LHRZYL

London Heathrow

Sat 4/10

18:20-09:05

Nonstop9h 45m

£596

LondonSylhet

LHR - ZYL

LHRZYL

London Heathrow

Sat 8/11

18:15-09:55

Nonstop9h 40m

£661

LondonSylhet

LHR - ZYL

LHRZYL

London Heathrow

Sun 16/11

18:15-09:55

Nonstop9h 40m

£661

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 16 results
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Temperature and rainfall in Sylhet by month

Plan your trip to Sylhet by taking into account the average temperature and rainfall totals by month.

ZYL

Temperature

18 - 28 °C

If weather is an important factor for your trip to Sylhet, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 18.0 C).

FAQ about direct flights to Sylhet

Find answers to frequently asked questions about direct flights to Sylhet to unlock the best deals on Cheapflights.

  • How much are direct flights to Sylhet?

    On average, a one-way direct flight to Sylhet will cost users approximately £895. If you're looking for a direct return flight to Sylhet, you can expect to pay around £1,213.

  • How long is a direct flight to Sylhet?

    While the flight duration depends heavily on the origin, travellers can expect non-stop flights to Sylhet to last approximately 9h 45m on average. The quickest direct flight to Sylhet at this time departs from London Heathrow Airport (9h 40m), while the longest leaves from Manchester (9h 50m).

  • What is the best time of year to fly direct to Sylhet?

    If you're seeking the lowest price on a direct flight to Sylhet, September is worth consideration, as prices are usually at their lowest, on average. June may be most appealing to users looking for the quietest time to visit Sylhet, when demand is typically at its lowest.

  • What is the most popular direct flight origin to Sylhet?

    Currently, the most popular direct flight origin to Sylhet is London Heathrow Airport. A return direct flight from London Heathrow Airport to Sylhet typically costs around £1,297.

See more FAQs

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