AirHint found the following cheapest return flights from London (LHR) to Sylhet Osmani (ZYL) in December 2025 (see full year).

Return flights

02 Dec - 14 Dec	Qatar Airways
01 Dec - 14 Dec	Qatar Airways
07 Dec - 25 Jan	Qatar Airways
01 Dec - 26 Dec	Qatar Airways
02 Dec - 11 Dec	Qatar Airways
03 Dec - 10 Dec	Qatar Airways
07 Dec - 16 Jan	Qatar Airways
02 Dec - 14 Jan	Qatar Airways
03 Dec - 28 Dec	Qatar Airways
07 Dec - 31 Jan	Qatar Airways
01 Dec - 30 Dec	Qatar Airways
06 Dec - 30 Dec	Qatar Airways
07 Dec - 31 Dec	Qatar Airways
01 Dec - 31 Dec	Qatar Airways
03 Dec - 01 Jan	Qatar Airways
03 Dec - 02 Jan	Qatar Airways
07 Dec - 04 Jan	Qatar Airways
04 Dec - 02 Jan	Qatar Airways
31 Dec - 10 Jan	Qatar Airways
24 Dec - 04 Jan	Turkish Airlines

Also check the deals for one-way flights from London to Sylhet Osmani in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Sylhet Osmani

Cheap car rent in Sylhet Osmani

Cheapest return flights from London to Sylhet Osmani in December from $1264

Return flights