Cheap Flights from Sylhet to London from US$515

Frequently Asked Questions

• What are the cheapest flights from Sylhet to London (ZYL-LON)?

  Based on Trip.com data, SalamAir offers one-way fares as low as US$515 on Cheapest nonstop routes (e.g. ZYL to LHR on Sat, Oct 24), while Oman Air offers Cheapest nonstop round-trips from US$934 departing on Mon, Nov 23 and returning on Mon, Nov 30.

• Which airlines offer direct flights from Sylhet to London?

  At the moment, you can catch a nonstop 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?

  It takes about 11 hours 20 minutes to fly from Sylhet to London.

• 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 per week from Sylhet to London?

  Based on Trip.com data in the past 4 weeks, there is 4 flight per week flying from Sylhet to London. You can check the weekly schedule for popular airlines on this route below: Biman Bangladesh Airlines: -/-/T/-/T/F/S -- BG201 (10:17)

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

  To find best deals on flights from Sylhet to London, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sat, Oct 24, with one-way flights priced at just US$515.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Biman Bangladesh Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for London travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Sylhet (ZYL) to London (LON) the cheapest?

  The cheapest months to fly from Sylhet to London is August, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Sylhet to London on?

  After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Sylhet to London on October 20, 2026 with SalamAir, with prices starting at US$584.

• Which airports fly into London from Sylhet?

  You can land at any one of the following hubs in London: London City Airport (LCY), London Gatwick Airport (LGW), Heathrow Airport (LHR), London Luton Airport (LTN), London Southend Airport (SEN), and London Stansted Airport (STN). Flying from Osmani International Airport to Heathrow Airport (ZYL-LHR) is by far the most common option on this route.

• Is there any time difference between Sylhet and London?

  The time difference between London and Sylhet is 6h.

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

  Tickets can only be changed or canceled 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 cost 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 US$944. Fares vary by travel date, airline and availability.

• What is the average cost of a round-trip flight from Sylhet to London?

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Sylhet to London is US$1,371. The final price depends on the outbound and return dates, airline and fare conditions.

• 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 traveler details and complete payment to receive your confirmation.