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

Return flights

08 Jul - 27 Jul	EgyptAir
08 Jul - 13 Jul	EgyptAir
08 Jul - 20 Jul	EgyptAir
07 Jul - 21 Jul	Aegean Airlines
14 Jul - 21 Jul	Aegean Airlines
08 Jul - 18 Jul	Aegean Airlines
09 Jul - 25 Jul	Qatar Airways
09 Jul - 22 Jul	Qatar Airways
08 Jul - 29 Jul	Aegean Airlines
08 Jul - 17 Aug	Aegean Airlines
09 Jul - 06 Aug	Air India
07 Jul - 23 Jul	Aegean Airlines
08 Jul - 14 Aug	Aegean Airlines
08 Jul - 08 Aug	Aegean Airlines
09 Jul - 01 Aug	Qatar Airways
08 Jul - 05 Aug	Aegean Airlines
08 Jul - 07 Aug	Aegean Airlines
30 Jul - 13 Aug	British Airways
29 Jul - 17 Aug	British Airways
13 Jul - 02 Aug	Qatar Airways

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

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 July from $1121

Return flights