Cheap Flights Sylhet to London from £389

Flight FAQs

• Which airlines offer the cheapest flights from Sylhet to London?

  Based on Trip.com data, SalamAir offers Cheapest nonstop one-way flights from £389 (for example, ZYL–LHR on Sat, Oct 24). For a Cheapest nonstop return flight, Oman Air offers fares from £705, departing on Tue, Nov 24 and returning on Tue, Dec 1.

• Which airlines offer direct flights from Sylhet to London?

  At the moment, you can catch a direct flight from Sylhet to London with the following airlines, including: Biman Bangladesh Airlines US-Bangla Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is a flight from Sylhet to London?

  A flight from Sylhet (ZYL) to London (LON) takes an average of 11 hours 20 minutes.

• When is the best time to book flights from Sylhet to London?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Sylhet to London is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there from Sylhet to London each week?

  On average, 4 direct flights operate each week between Sylhet and London. See below the schedules of the main airlines serving this route:
  Biman Bangladesh Airlines: -/-/T/-/T/F/S – BG201 (departure at 10:13)

• How can I find the best deals on flights from Sylhet to London?

  Here are some tips for finding the best flight deals from Sylhet to London on Trip.com:
  · Be flexible with your travel dates. The cheapest flight is currently on Sat, Oct 24, with one-way fares from just £389.
  · Compare airlines. Biman Bangladesh Airlines currently offers the lowest fares on this route.
  · Set up a price alert to track fare changes without searching every day.
  · Check Trip.com regularly for flight deals and available promo codes.
  · Avoid peak season or book early. January is generally the busiest month for travel to London.
  · Get exclusive promo codes on the Trip.com app.

• When is the best time to book a flight from Sylhet to London to get the best price?

  The cheapest month to book a flight from Sylhet to London is usually August, when demand is lower.

• Which upcoming date is the cheapest for flights from Sylhet to London?

  After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Sylhet to London on October 22, 2026 with SalamAir, with prices starting at £403.

• Which airports should you choose for flights from Sylhet to London?

  Flights to London can arrive at: London City Airport (LCY), London Gatwick Airport (LGW), Heathrow Airport (LHR), London Luton Airport (LTN), London Southend Airport (SEN) and London Stansted Airport (STN). The most common route connects Osmani International Airport and Heathrow Airport (ZYL–LHR).

• What is the time difference between Sylhet and London?

  The time difference between London and Sylhet is 6h.

• How can I change or cancel my flight ticket from Sylhet to London?

  Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average price of a one-way flight from Sylhet to London?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Sylhet to London is £492. Fares vary by travel date, airline and availability.

• What is the average price of a return flight from Sylhet to London?

  Based on Trip.com data for flights departing in the next 30 days, the average return fare from Sylhet to London is £1,041. Fares vary by travel date, airline and availability.

• How do I book flights from Sylhet to London on Trip.com?

  Enter Sylhet and London, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveller details and complete payment to receive your confirmation.