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

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.

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.

What is the cheapest month to fly to Sylhet?

September is currently the cheapest month to fly to Sylhet . At this moment in time July is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

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 £16, while return flights cost around £33.

How much is a return flight to Sylhet?

A return flight to Sylhet will typically cost around £50, however they can be found for as little as £33.

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 40 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).

What are the most popular airlines that fly to Sylhet?

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

How long is the flight to Sylhet?

On average, a flight from London to Sylhet takes 16 hours 23 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 cheapest airlines that fly to Sylhet?

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

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.

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).

Cheap Flights to Sylhet from £428

Flights to Sylhet in 2025

Return from	£677
One-way from	£428
Popular in	December
Cheapest in	September
Average price	£877
Good round-trip deal	£805 or less
Good one-way deal	£592 or less

7/1-10/2
5 total stops
56h 30m total
London to Sylhet

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5/11
2 total stops
29h 55m total
London to Sylhet

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (£164 potential increase over avg. return price).

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Cheapest flight prices on average. 4% potential price decrease (£39 potential savings vs. average return price).

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Average for return flights in October 2025

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Price to beat on a round-trip flight from London to Sylhet Osmani Intl.

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Price to beat on a one-way flight from London to Sylhet Osmani Intl.

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Find flight deals to Sylhet

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 October 2025.

Wed 19/1110:45STN - ZYL

3 stops43h 05mMultiple Airlines

Wed 18/221:05ZYL - STN

3 stops26h 35mMultiple Airlines

Deal found 29/10£681

Thu 20/1111:30LHR - ZYL

3 stops28h 15mMultiple Airlines

Fri 5/1212:15ZYL - LHR

3 stops28h 50mMultiple Airlines

Deal found 29/10£685

Sat 29/1111:45STN - ZYL

2 stops27h 40mMultiple Airlines

Sat 6/1208:50ZYL - STN

3 stops34h 15mMultiple Airlines

Deal found 31/10£694

Sun 2/1112:30STN - ZYL

3 stops41h 20mMultiple Airlines

Wed 3/1221:05ZYL - STN

2 stops23h 30mMultiple Airlines

Deal found 29/10£697

Wed 12/1112:30STN - ZYL

3 stops45h 00mMultiple Airlines

Sat 29/1108:50ZYL - STN

3 stops34h 15mMultiple Airlines

Deal found 28/10£704

Fri 28/1106:10STN - ZYL

3 stops23h 40mMultiple Airlines

Fri 5/1214:10ZYL - STN

3 stops39h 00mMultiple Airlines

Deal found 29/10£707

Tue 30/1212:30STN - ZYL

3 stops38h 15mMultiple Airlines

Wed 25/221:05ZYL - STN

2 stops23h 30mMultiple Airlines

Deal found 30/10£708

Wed 5/1111:30LHR - ZYL

3 stops26h 30mMultiple Airlines

Wed 19/1112:50ZYL - LHR

3 stops31h 35mMultiple Airlines

Deal found 31/10£711

Tue 18/1114:15LHR - ZYL

2 stops20h 25mMultiple Airlines

Mon 1/1208:35ZYL - LHR

2 stops28h 55mMultiple Airlines

Deal found 28/10£715

Sun 14/1206:00STN - ZYL

3 stops28h 45mMultiple Airlines

Sun 21/1217:05ZYL - STN

3 stops24h 40mMultiple Airlines

Deal found 30/10£717

Tue 4/1114:05LGW - ZYL

2 stops36h 40mMultiple Airlines

Thu 13/1110:55ZYL - LGW

2 stops31h 40mMultiple Airlines

Deal found 30/10£723

Sun 14/1206:00STN - ZYL

3 stops28h 45mMultiple Airlines

Sun 21/1217:05ZYL - STN

3 stops24h 40mMultiple Airlines

Deal found 30/10£724

Best flights to Sylhet
Discover carefully curated flight deals to Sylhet that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 31 October 2025.

Wed 7/105:55STN - ZYL

3 stops32h 05mMultiple Airlines

Tue 10/220:10ZYL - STN

2 stops24h 25mMultiple Airlines

Deal found 29/10£677

Fri 13/318:15LHR - ZYL

Nonstop9h 40mBiman Bangladesh

Sat 4/409:35ZYL - LHR

Nonstop11h 20mBiman Bangladesh

Deal found 31/10£851

Sun 4/106:50LGW - ZYL

3 stops26h 40mMultiple Airlines

Sun 11/112:15ZYL - LGW

3 stops41h 40mMultiple Airlines

Deal found 29/10£678

Sun 15/310:35LGW - ZYL

2 stops27h 25mMultiple Airlines

Wed 15/412:15ZYL - LGW

2 stops47h 40mMultiple Airlines

Deal found 30/10£678

Sun 18/106:00STN - ZYL

3 stops32h 00mMultiple Airlines

Tue 10/220:10ZYL - STN

2 stops24h 25mMultiple Airlines

Deal found 30/10£681

Wed 26/1112:45STN - ZYL

3 stops41h 05mMultiple Airlines

Sat 20/1221:55ZYL - STN

3 stops31h 40mMultiple Airlines

Deal found 30/10£681

Sun 4/106:25STN - ZYL

3 stops27h 05mMultiple Airlines

Sun 11/112:15ZYL - STN

3 stops29h 10mMultiple Airlines

Deal found 29/10£685

Sun 11/117:00LGW - ZYL

3 stops33h 45mMultiple Airlines

Sat 17/112:15ZYL - LGW

3 stops27h 10mMultiple Airlines

Deal found 30/10£691

Sun 11/106:00STN - ZYL

3 stops27h 30mMultiple Airlines

Sat 17/112:15ZYL - STN

3 stops29h 10mMultiple Airlines

Deal found 30/10£694

Sat 3/105:55STN - ZYL

3 stops33h 15mMultiple Airlines

Wed 21/121:05ZYL - STN

2 stops22h 30mMultiple Airlines

Deal found 29/10£698

Wed 12/1112:30STN - ZYL

3 stops45h 00mMultiple Airlines

Sat 29/1108:50ZYL - STN

3 stops34h 15mMultiple Airlines

Deal found 28/10£704

Sun 11/117:00LGW - ZYL

3 stops33h 45mMultiple Airlines

Wed 28/112:50ZYL - LGW

3 stops23h 50mMultiple Airlines

Deal found 28/10£706

Fri 28/1106:10STN - ZYL

3 stops23h 40mMultiple Airlines

Fri 5/1214:10ZYL - STN

3 stops39h 00mMultiple Airlines

Deal found 29/10£707

Wed 4/217:05LGW - ZYL

2 stops44h 25mMultiple Airlines

Wed 11/321:10ZYL - LGW

2 stops25h 00mMultiple Airlines

Deal found 30/10£712

Sun 18/117:00LGW - ZYL

3 stops33h 45mMultiple Airlines

Sun 1/212:15ZYL - LGW

3 stops24h 25mMultiple Airlines

Deal found 30/10£716

Sun 14/1206:00STN - ZYL

3 stops28h 45mMultiple Airlines

Sun 21/1217:05ZYL - STN

3 stops24h 40mMultiple Airlines

Deal found 30/10£717

Tue 3/214:05LGW - ZYL

2 stops24h 10mMultiple Airlines

Tue 10/215:55ZYL - LGW

2 stops20h 00mMultiple Airlines

Deal found 30/10£724

Mon 1/1212:30STN - ZYL

3 stops45h 00mMultiple Airlines

Wed 7/115:55ZYL - STN

3 stops25h 35mMultiple Airlines

Deal found 30/10£725

Wed 14/112:30STN - ZYL

3 stops43h 15mMultiple Airlines

Wed 11/215:55ZYL - STN

3 stops25h 30mMultiple Airlines

Deal found 31/10£727

Wed 4/216:50LGW - ZYL

2 stops21h 10mMultiple Airlines

Wed 11/321:05ZYL - LGW

3 stops30h 35mMultiple Airlines

Deal found 30/10£732

Sun 18/116:50LGW - ZYL

2 stops21h 10mMultiple Airlines

Sun 1/212:15ZYL - LGW

3 stops24h 25mMultiple Airlines

Deal found 30/10£734

Wed 26/1110:15LGW - ZYL

3 stops27h 45mMultiple Airlines

Wed 3/1212:50ZYL - LGW

3 stops23h 50mMultiple Airlines

Deal found 29/10£737

Sun 1/306:25LGW - ZYL

3 stops27h 05mMultiple Airlines

Thu 30/411:15ZYL - LGW

3 stops24h 40mMultiple Airlines

Deal found 31/10£739

Sun 30/1106:25LGW - ZYL

3 stops31h 35mMultiple Airlines

Thu 5/208:40ZYL - LGW

3 stops30h 45mMultiple Airlines

Deal found 30/10£739

Sun 14/1206:00STN - ZYL

3 stops28h 45mMultiple Airlines

Sun 21/1217:05ZYL - STN

3 stops24h 20mMultiple Airlines

Deal found 30/10£744

Tue 18/1114:55LHR - ZYL

2 stops23h 20mMultiple Airlines

Tue 25/1107:20ZYL - LHR

2 stops21h 20mMultiple Airlines

Deal found 31/10£764

Tue 10/314:15LHR - ZYL

2 stops19h 15mMultiple Airlines

Mon 16/320:25ZYL - LHR

2 stops22h 55mMultiple Airlines

Deal found 31/10£765

Tue 3/214:55LHR - ZYL

2 stops23h 20mMultiple Airlines

Tue 10/215:55ZYL - LHR

2 stops20h 30mMultiple Airlines

Deal found 31/10£765

Wed 7/108:40LHR - ZYL

2 stops24h 50mMultiple Airlines

Wed 11/215:55ZYL - LHR

2 stops21h 25mMultiple Airlines

Deal found 30/10£771

Wed 12/1114:55LHR - ZYL

2 stops23h 05mMultiple Airlines

Sat 6/1215:55ZYL - LHR

2 stops28h 05mMultiple Airlines

Deal found 30/10£779

Direct flights to Sylhet
Explore direct flight options to Sylhet based on user searches, and compare prices and availability for your desired travel dates. Data last updated 31 October 2025.

Wed 11/218:15LHR - ZYL

Nonstop9h 40mBiman Bangladesh

Sun 15/310:25ZYL - LHR

Nonstop11h 40mBiman Bangladesh

Deal found 30/10£770

Fri 6/218:15LHR - ZYL

Nonstop9h 40mBiman Bangladesh

Thu 30/410:45ZYL - LHR

Nonstop11h 20mBiman Bangladesh

Deal found 30/10£820

Sun 15/218:15LHR - ZYL

Nonstop9h 40mBiman Bangladesh

Wed 4/310:25ZYL - LHR

Nonstop11h 40mBiman Bangladesh

Deal found 29/10£840

Fri 13/318:15LHR - ZYL

Nonstop9h 40mBiman Bangladesh

Sat 4/409:35ZYL - LHR

Nonstop11h 20mBiman Bangladesh

Deal found 31/10£851

Sun 15/318:15LHR - ZYL

Nonstop9h 40mBiman Bangladesh

Wed 18/310:25ZYL - LHR

Nonstop11h 40mBiman Bangladesh

Deal found 30/10£886

Sun 15/318:15LHR - ZYL

Nonstop9h 40mBiman Bangladesh

Wed 18/310:25ZYL - LHR

Nonstop11h 40mBiman Bangladesh

Deal found 29/10£888

Sun 15/318:15LHR - ZYL

Nonstop9h 40mBiman Bangladesh

Wed 18/310:25ZYL - LHR

Nonstop11h 40mBiman Bangladesh

Deal found 28/10£894

Sun 11/118:15LHR - ZYL

Nonstop9h 40mBiman Bangladesh

Sun 28/609:35ZYL - LHR

Nonstop11h 20mBiman Bangladesh

Deal found 29/10£1,094

Sun 8/218:15LHR - ZYL

Nonstop9h 40mBiman Bangladesh

Sun 22/210:25ZYL - LHR

Nonstop11h 40mBiman Bangladesh

Deal found 29/10£1,094

Wed 14/118:15LHR - ZYL

Nonstop9h 40mBiman Bangladesh

Sun 17/509:35ZYL - LHR

Nonstop11h 20mBiman Bangladesh

Deal found 30/10£1,095

Wed 14/118:15LHR - ZYL

Nonstop9h 40mBiman Bangladesh

Sun 17/509:35ZYL - LHR

Nonstop11h 20mBiman Bangladesh

Deal found 29/10£1,102

Wed 12/1118:15LHR - ZYL

Nonstop9h 40mBiman Bangladesh

Sat 6/1210:25ZYL - LHR

Nonstop11h 40mBiman Bangladesh

Deal found 30/10£1,110

Last-minute flights to Sylhet
Discover last-minute flight deals to Sylhet. Data last updated 31 October 2025 and is based on user searches.

Sun 2/1112:30STN - ZYL

3 stops41h 20mMultiple Airlines

Wed 3/1221:05ZYL - STN

2 stops23h 30mMultiple Airlines

Deal found 29/10£697

Tue 4/1114:05LGW - ZYL

2 stops36h 40mMultiple Airlines

Thu 13/1110:55ZYL - LGW

2 stops31h 40mMultiple Airlines

Deal found 30/10£723

Wed 5/1111:30LHR - ZYL

3 stops26h 30mMultiple Airlines

Wed 19/1112:50ZYL - LHR

3 stops31h 35mMultiple Airlines

Deal found 31/10£711

Fri 7/1110:00LHR - ZYL

2 stops27h 20mMultiple Airlines

Mon 1/1208:35ZYL - LHR

2 stops28h 55mMultiple Airlines

Deal found 29/10£728

Wed 12/1112:30STN - ZYL

3 stops45h 00mMultiple Airlines

Sat 29/1108:50ZYL - STN

3 stops34h 15mMultiple Airlines

Deal found 28/10£704

Tue 18/1114:15LHR - ZYL

2 stops20h 25mMultiple Airlines

Mon 1/1208:35ZYL - LHR

2 stops28h 55mMultiple Airlines

Deal found 28/10£715

Tue 18/1114:15LHR - ZYL

2 stops20h 25mMultiple Airlines

Mon 1/1208:35ZYL - LHR

2 stops28h 55mMultiple Airlines

Deal found 30/10£726

Wed 19/1110:45STN - ZYL

3 stops43h 05mMultiple Airlines

Wed 18/221:05ZYL - STN

3 stops26h 35mMultiple Airlines

Deal found 29/10£681

Thu 20/1111:30LHR - ZYL

3 stops28h 15mMultiple Airlines

Fri 5/1212:15ZYL - LHR

3 stops28h 50mMultiple Airlines

Deal found 29/10£685

Mon 24/1109:00LGW - ZYL

2 stops44h 50mMultiple Airlines

Thu 4/1210:55ZYL - LGW

2 stops31h 40mMultiple Airlines

Deal found 30/10£726

Fri 28/1106:10STN - ZYL

3 stops23h 40mMultiple Airlines

Fri 5/1214:10ZYL - STN

3 stops39h 00mMultiple Airlines

Deal found 29/10£707

Sat 29/1111:45STN - ZYL

2 stops27h 40mMultiple Airlines

Sat 6/1208:50ZYL - STN

3 stops34h 15mMultiple Airlines

Deal found 31/10£694

One-way flights to Sylhet
Search for one-way flight options to Sylhet. Find affordable one-way fares based on user searches. Data last updated 31 October 2025.

Wed 5/1108:05LHR - ZYL

2 stops29h 55mMultiple Airlines

Deal found 30/10£428

Wed 31/1214:55LHR - ZYL

2 stops38h 55mMultiple Airlines

Deal found 30/10£430

Sat 10/121:50LHR - ZYL

2 stops40h 10mMultiple Airlines

Deal found 29/10£430

Wed 31/1208:25LHR - ZYL

2 stops25h 05mMultiple Airlines

Deal found 29/10£431

Sat 8/1121:50LHR - ZYL

2 stops35h 10mMultiple Airlines

Deal found 31/10£432

Sat 8/1121:50LHR - ZYL

2 stops35h 40mMultiple Airlines

Deal found 30/10£434

Sat 8/1121:50LHR - ZYL

2 stops35h 40mMultiple Airlines

Deal found 29/10£437

Sat 29/1108:05LHR - ZYL

2 stops26h 20mMultiple Airlines

Deal found 30/10£442

Wed 5/1108:40LGW - ZYL

2 stops45h 10mMultiple Airlines

Deal found 30/10£444

Fri 16/114:15LHR - ZYL

2 stops23h 45mMultiple Airlines

Deal found 30/10£455

Fri 16/114:15LHR - ZYL

2 stops19h 15mMultiple Airlines

Deal found 29/10£456

Wed 5/1123:20STN - ZYL

2 stops50h 45mMultiple Airlines

Deal found 30/10£501

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Cheap flights to Sylhet – Compare and Save

Flights to Sylhet in 2025

Find the latest flights to Sylhet in 2025, 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 October 2025.

Return from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals to Sylhet

Cheapest flights to SylhetExplore the most affordable flight options available to Sylhet. Find the lowest fares based on data from user searches, with prices last updated on 31 October 2025.

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 October 2025.

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Book with Flexibility

Travel Smart

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 October 2025.