AirHint found the following cheapest return flights from London (LON) to Sylhet Osmani (ZYL) in April 2026 (see full year).

Return flights

15 Apr - 25 Apr	Wizz Air UK
15 Apr - 10 May	Wizz Air UK
08 Apr - 30 Apr	Wizz Air UK
08 Apr - 29 Apr	Wizz Air UK
13 Apr - 30 Apr	Wizz Air UK
08 Apr - 22 Apr	Wizz Air Malta
08 Apr - 09 May	Wizz Air UK
15 Apr - 30 Apr	Wizz Air UK
17 Apr - 24 Apr	Wizz Air UK
04 Apr - 02 May	Wizz Air UK
04 Apr - 24 Apr	Wizz Air UK
18 Apr - 25 Apr	Wizz Air Malta
14 Apr - 29 Apr	Wizz Air UK
22 Apr - 09 May	Ryanair
15 Apr - 01 May	Turkish Airlines
01 Apr - 02 May	Wizz Air UK
05 Apr - 02 May	Wizz Air Malta
16 Apr - 07 May	Pegasus Airlines
07 Apr - 07 May	Qatar Airways
19 Apr - 17 May	Biman Bangladesh Airlines	direct

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

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 April from 652€

Return flights