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

Return flights

29 Oct - 27 Nov	Scandinavian Airlines
29 Oct - 26 Nov	Scandinavian Airlines
31 Oct - 17 Nov	Saudia
31 Oct - 18 Nov	Saudia
31 Oct - 27 Nov	Saudia
31 Oct - 25 Nov	Saudia
29 Oct - 12 Nov	Saudia
30 Oct - 13 Nov	Saudia
29 Oct - 20 Nov	Qatar Airways
29 Oct - 19 Nov	Scandinavian Airlines
26 Oct - 29 Oct	LOT
23 Oct - 30 Oct	Eurowings
26 Oct - 31 Oct	LOT
26 Oct - 27 Oct	Qatar Airways
24 Oct - 26 Oct	Etihad Airways
24 Oct - 26 Oct	Biman Bangladesh Airlines	direct
25 Oct - 27 Oct	Biman Bangladesh Airlines
25 Oct - 29 Oct	Biman Bangladesh Airlines
23 Oct - 31 Oct	Biman Bangladesh Airlines	direct
25 Oct - 31 Oct	Saudia

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

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.

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Cheapest return flights from London to Sylhet Osmani in October from 753€

Return flights