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£393+ Cheap flights to Sylhet

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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
— ZYL
30 Apr — 7 May1
1 adult
1 adult, Economy, 0 bags

Flights to Sylhet in 2026

Enter your travel dates to find the best prices.

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 31 March 2026.

Sun 15/1116:00
LHR
-
ZYL
2 stops45h 25m
Multiple Airlines
Thu 26/1110:55
ZYL
-
LHR
2 stops31h 20m
Multiple Airlines
Deal found 31/3£737
Tue 23/608:05
LHR
-
ZYL
2 stops25h 40m
Multiple Airlines
Tue 11/820:25
ZYL
-
LHR
2 stops39h 00m
Multiple Airlines
Deal found 31/3£740
Wed 8/415:30
LHR
-
ZYL
2 stops23h 30m
Multiple Airlines
Thu 30/415:10
ZYL
-
LHR
2 stops27h 50m
Multiple Airlines
Deal found 31/3£740
Sun 15/1108:40
LGW
-
ZYL
2 stops52h 45m
Multiple Airlines
Thu 26/1110:55
ZYL
-
LGW
2 stops49h 00m
Multiple Airlines
Deal found 31/3£741
Mon 21/908:05
LHR
-
ZYL
2 stops22h 45m
Multiple Airlines
Mon 28/920:25
ZYL
-
LHR
2 stops22h 45m
Multiple Airlines
Deal found 30/3£742
Mon 20/414:55
LGW
-
ZYL
2 stops18h 50m
Multiple Airlines
Sun 17/522:10
ZYL
-
LGW
2 stops20h 15m
Multiple Airlines
Deal found 30/3£743
Thu 2/421:45
LHR
-
ZYL
2 stops36h 00m
Multiple Airlines
Thu 23/415:10
ZYL
-
LHR
2 stops28h 00m
Multiple Airlines
Deal found 28/3£743
Thu 11/609:00
LHR
-
ZYL
2 stops28h 00m
Multiple Airlines
Wed 1/720:25
ZYL
-
LHR
2 stops22h 45m
Multiple Airlines
Deal found 27/3£744
Thu 30/409:00
LGW
-
ZYL
2 stops28h 00m
Multiple Airlines
Sat 30/520:25
ZYL
-
LGW
2 stops22h 00m
Multiple Airlines
Deal found 28/3£745
Sun 13/918:20
LHR
-
ZYL
Nonstop9h 45m
Biman Bangladesh
Sun 4/1009:35
ZYL
-
LHR
Nonstop11h 20m
Biman Bangladesh
Deal found 29/3£745
Wed 13/514:55
LGW
-
ZYL
2 stops18h 50m
Multiple Airlines
Wed 20/508:05
ZYL
-
LGW
2 stops27h 35m
Multiple Airlines
Deal found 29/3£746
Wed 8/421:45
LHR
-
ZYL
2 stops33h 05m
Multiple Airlines
Wed 22/407:30
ZYL
-
LHR
2 stops27h 55m
Multiple Airlines
Deal found 27/3£746

Find flight deals to Sylhet

Find the latest flights to Sylhet in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 31 March 2026.

Return from

£740

One-way from

£392

Popular in

December

Cheapest in

September

Average price

£906

Good round-trip deal

£786 or less

Good one-way deal

£435 or less
23/6-11/8
  • 23/6-11/8
  • 4 total stops
  • 64h 40m total
  • London to Sylhet
Search Deals
30/4
  • 30/4
  • 3 total stops
  • 24h 05m total
  • London to Sylhet
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£145 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£40 potential savings vs. average return price).
Search Deals
Average for return flights in March 2026
Search Deals
Price to beat on a round-trip flight from London to Sylhet Osmani Intl.
Search Deals
Price to beat on a one-way flight from London to Sylhet Osmani Intl.
Search Deals

Cheapflights Fare Finder

 
Locate flights to Sylhet that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 31 March 2026.
Use the filters below to find and compare flights to Sylhet that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonSylhet

LHR - ZYL

LHRZYL

London Heathrow

Mon 21/9

15:35-19:50

2 stops23h 15m

Sylhet Osmani Intl

Mon 28/9

20:25-14:05

2 stops22h 40m

£744

LondonSylhet

LHR - ZYL

LHRZYL

London Heathrow

Wed 15/4

21:45-14:45

2 stops36h 00m

Sylhet Osmani Intl

Thu 14/5

20:25-14:10

2 stops22h 45m

£749

LondonSylhet

LGW - ZYL

LGWZYL

London Gatwick

Sun 26/4

09:00-20:00

2 stops30h 00m

Sylhet Osmani Intl

Sun 3/5

20:25-13:25

2 stops22h 00m

£765

LondonSylhet

LHR - ZYL

LHRZYL

London Heathrow

Wed 1/7

15:35-20:00

2 stops23h 25m

Sylhet Osmani Intl

Sat 1/8

20:25-22:00

2 stops30h 35m

£768

LondonSylhet

LGW - ZYL

LGWZYL

London Gatwick

Sun 17/5

14:55-20:00

2 stops24h 05m

Sylhet Osmani Intl

Tue 21/7

20:25-13:25

2 stops46h 00m

£778

LondonSylhet

LGW - ZYL

LGWZYL

London Gatwick

Fri 1/5

14:55-20:00

2 stops24h 05m

Sylhet Osmani Intl

Wed 24/6

20:25-13:25

2 stops22h 00m

£791

LondonSylhet

LHR - ZYL

LHRZYL

London Heathrow

Sun 26/4

08:05-14:45

2 stops25h 40m

Sylhet Osmani Intl

Sun 3/5

15:10-14:10

2 stops28h 00m

£793

LondonSylhet

LHR - ZYL

LHRZYL

London Heathrow

Sat 5/9

15:05-14:45

2 stops18h 40m

Sylhet Osmani Intl

Sat 19/9

20:25-14:05

2 stops22h 40m

£793

LondonSylhet

LHR - ZYL

LHRZYL

London Heathrow

Sat 29/8

08:25-11:50

2 stops22h 25m

Sylhet Osmani Intl

Sun 27/9

15:10-14:05

2 stops27h 55m

£798

LondonSylhet

LHR - ZYL

LHRZYL

London Heathrow

Thu 14/5

08:25-14:45

2 stops25h 20m

Sylhet Osmani Intl

Thu 21/5

15:10-18:00

2 stops31h 50m

£805

Flights are sorted by cheapest return flights first.

Deals found on 28/3

Showing 1-10 of 59 resultsSorted by cheapest first
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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 Insights

Everything you need to know about your flight to Sylhet

When is the best time to book a flight to Sylhet?

Use this chart to determine the optimal time to book a return flight from London to Sylhet. Price data was last updated on 13 March 2026.

Booking 27 days in advance of your planned departure date is, on average, the best time to get cheap flights to Sylhet. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

How long is the flight to Sylhet?

On average, a flight from London to Sylhet takes 18 hours 12 minutes. Flights to Sylhet from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Sylhet?

The most popular airline flying from London to Sylhet is Biman Bangladesh.

Biman Bangladesh
Biman Bangladesh
From £662

What are the cheapest airlines that fly to Sylhet?

The cheapest airline flying from London to Sylhet is Biman Bangladesh.

Rainfall in Sylhet by month

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

In terms of precipitation, rainfall in Sylhet ranges from 8.0 - 812.0 inches per month. June is typically the wettest month, when rainfall can reach 812.0 mm. December is typically the driest time to visit Sylhet when rainfall is around 8.0 mm.

Temperature in Sylhet by month

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

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).

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 31 March 2026.
See what other customers who have flown with Biman Bangladesh to Bangladesh have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Biman Bangladesh
7.2
Good
28 reviews
Check prices

Boarding

7.4

Overall

7.2

Comfort

6.8

Crew

7.8

Entertainment

6.6

Food

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

Boarding

7.4

Overall

7.2

Comfort

6.8

Crew

7.8

Entertainment

6.6

Food

7.2

FAQs about flying to Sylhet

Getting around Sylhet

Public transport isn’t Sylhet’s strongest suit. The city offers neither buses nor trams, with the only viable option being auto rickshaws. Having said that, since there are no auto rickshaw stops in the big residential areas, people have to walk all the way to the highway to hail a ride. Alternatively, use taxis or your own transport. The city is also navigable on foot, but this is not an ideal situation for a place as large as Sylhet.

Getting from the Airport to the City

Sylhet is served by Osmani International Airport (ZYL). Visitors can choose from a number of transport options to the city centre, including taxis, microbus, and auto rickshaws. Car rental is also available.

  • What airport do you fly into for flights to Sylhet?

    Sylhet Osmani Intl (ZYL), located 4.3 mi from the city center, is the airport you fly into when you book flights to Sylhet.

  • Can I find cheaper flights to Sylhet if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Sylhet on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Sylhet?

    Based on reviews from Cheapflights users, Biman Bangladesh is rated the highest out of the airlines that fly to Sylhet.

  • What is the cheapest airport to fly to in Sylhet?

    Sylhet Osmani Intl is currently the cheapest airport to fly to in Sylhet. One-way flights to Sylhet Osmani Intl typically cost £27, while return flights cost around £45.

  • How much is a return flight to Sylhet?

    A return flight to Sylhet will typically cost around £62, however they can be found for as little as £45.

  • Where does the fastest flight to Sylhet depart from?

    For those looking to save time traveling to Sylhet, London offers the quickest one-way flight (9 hours 45 minutes).

  • Are there hotels close to Sylhet Osmani Intl?

    Yes. Sylhet Osmani Intl has hotels nearby for those requiring accommodations. Grand Sylhet Hotel & Resort is the closest property to Sylhet Osmani Intl (0.0 mi away from Sylhet Osmani Intl).

See more FAQs

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Some of the lowest fares we’ve come across for flights to Sylhet.
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How does Cheapflights help users find flights to Sylhet?

Cheapflights helps you search for flights to Sylhet via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets to Sylhet?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights to Sylhet.

Can Cheapflights find flights to Sylhet with no change fees?

Yes, we can. To see specific flights to Sylhet with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to Sylhet today and book when you’re ready!

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