Cheap flights from London to Sylhet

London
LON
Civil
ZYL

Flight deals from London to Sylhet

Below you can see the best deals on flights London — Sylhet for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 15 September, from $381.

Top 10 cheap flights from London to Sylhet

About the London — Sylhet flight

Looking for cheap flights from London to Sylhet? Compare fares from different airlines, check the flight schedule and travel time — and book your London — Sylhet ticket online at the best price.

The route has direct flights — around 1 flight per week, flights are operated by Biman Bangladesh, a nonstop flight takes about 9 h 45 min, the distance between the cities is around 8,014 km.

Planning your trip? You may find our Sylhet travel guide, how to get from the airport into town and Sylhet weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $381Min. price
SeptemberCheapest
MayPeak season
YesDirect flights
8,014 kmDistance
9 h 45 minTravel time
1Airlines
1 / wkFlights

Flight schedule from London to Sylhet

The table shows direct flights from London to Sylhet on the selected date. The flight takes approximately 9 h 45 min. Regular flights are operated by Biman Bangladesh. Departures from Heathrow Airport, London Gatwick Airport and Stansted Airport airports, arrivals at Sylhet Civil Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Wed, 2 September
Any time
Last update: 01 Sep 2026

Flight ticket prices by day: London — Sylhet

Below is a calendar of the lowest flight ticket prices for London — Sylhet by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $381 in September, and the most expensive are around $922 in May. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from London to Sylhet by month. Tickets are usually cheapest in October (around $662) and priciest in July (about $1,219) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$755mediumMay$836mediumSep$673low
Feb$697lowJun$1,045highOct$662low
Mar$720mediumJul$1,219highNov$685low
Apr$813mediumAug$929mediumDec$1,103high

Some values are estimated based on seasonality.

When to fly

Weather in Sylhet: it is warmest in September (up to 31 °C on average) and coolest in January (around 24 °C). The driest month is January.

Tickets are usually cheapest in September and most expensive in May. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Sylhet

Dry and wet days · Sylhet

Wind speed and direction · Sylhet

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How to get the best deal on a London — Sylhet ticket

  • Book ahead: fares for London — Sylhet are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • London is served by more than one airport — compare fares and travel time to each before you book.
  • The cheapest month to fly to Sylhet is usually September — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the London — Sylhet route are operated by 1 airline; Biman Bangladesh runs the most flights (around 100% of all flights). Compare carriers, flight shares and schedules below.

  • Biman BangladeshBG
    1x/week
    WebsiteFleet: 213.1M pax/year
    • Direct flight LHR → ZYL1x/week
    100.0%Open →

Cities and airports on the London — Sylhet route

Flights London — Sylhet depart from Heathrow Airport, London Gatwick Airport, Stansted Airport and London Luton Airport and arrive at Sylhet Civil Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

London

LON
United Kingdom
About the cityHow to get thereWeatherAll about the country United Kingdom
Arrival

Sylhet

ZYL
Bangladesh
About the cityHow to get thereWeatherAll about the country Bangladesh
Departure airports
Arrival airports

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Frequently asked questions about the London — Sylhet flight

How long is the flight from London to Sylhet?

A nonstop London — Sylhet flight takes about 9 h 45 min — the distance between the cities is around 8,014 km.

How far is it from London to Sylhet?

The distance from London to Sylhet is about 8,014 km, which a nonstop flight covers in around 9 h 45 min.

Are there direct flights from London to Sylhet?

Yes, there are nonstop flights London — Sylhet — around 1 flight per week.

Which airlines fly from London to Sylhet?

Airlines operating London — Sylhet include Biman Bangladesh. See the full list with schedules in the "Airlines" section on this page.

Which airports do London — Sylhet flights use?

Flights from London depart from Heathrow Airport, London Gatwick Airport, Stansted Airport, and arrive at Sylhet Civil Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from London to Sylhet?

The price of a London — Sylhet ticket depends on your travel date, season and demand: it is usually cheapest to fly in September, and most expensive in May. Tickets typically cost between $381 and $922. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights London — Sylhet?

Flights London — Sylhet are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is September. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from London to Sylhet?

To catch a low fare London — Sylhet, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually September.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

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