London to Sylhet (LHR–ZYL) — Airlines, Schedules & Connections

British passport holders can obtain a visa on arrival at Hazrat Shahjalal International Airport (DAC) for stays up to 30 days. The fee is $51 (USD cash required). Alternatively, apply for an eVisa at evisa.gov.bd for $75 to $160 depending on type, processed in 3 to 5 working days, valid for stays of 30 to 90 days.

For visa on arrival, you need a passport valid for at least 6 months with two blank pages, one passport photo, a completed arrival card, proof of accommodation, return ticket, and evidence of sufficient funds ($50 per day minimum). British nationals of Bangladeshi origin can apply for a No Visa Required (NVR) stamp through the Bangladesh High Commission in London for $25, allowing multiple entries for 5 years.

Direct flights from London Heathrow to Dhaka run about 10 hours 30 minutes on Biman Bangladesh Airlines. One-stop connections via the Gulf (Dubai, Doha, Abu Dhabi) take 13 to 16 hours. The Bangladeshi taka (BDT) trades at roughly 120 BDT per $1. No mandatory vaccinations for UK arrivals, but the country recommends hepatitis A, typhoid, and tetanus. Bring mosquito repellent containing DEET.

Heathrow Express runs from London Paddington to T5 and T2/T3 in 15–21 minutes (£37 single, cheaper booked online or via the Heathrow app). Elizabeth line (Crossrail) is a lower-cost alternative; Paddington to T5 in 34 minutes from £13.50 with an Oyster/contactless cap of £14.90. The Elizabeth line also serves central London stations including Bond Street, Farringdon, and Liverpool Street.London Underground Piccadilly line serves all terminals (T2/T3/T4/T5) from central London in 40–60 minutes (£6 with Oyster). Taxis (black cabs) from central London cost £55–90 depending on traffic. Coach services from Victoria Coach Station (National Express) cost from £10 booked in advance.