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

Return flights

12 May - 08 Jun	Wizz Air UK
25 May - 07 Jun	Wizz Air UK
02 May - 16 May	Wizz Air UK
02 May - 05 Jun	Wizz Air UK
13 May - 06 Jun	Turkish Airlines
17 May - 27 May	Pegasus Airlines
16 May - 26 May	Wizz Air UK
09 May - 06 Jun	Wizz Air UK
09 May - 10 Jun	Wizz Air UK
01 May - 10 Jun	Wizz Air UK
10 May - 24 May	Ryanair
01 May - 01 Jun	Wizz Air UK
14 May - 07 Jun	Wizz Air
16 May - 05 Jun	Wizz Air UK
16 May - 30 May	Wizz Air UK
18 May - 31 May	Ryanair
20 May - 31 May	Wizz Air
20 May - 24 May	Wizz Air
17 May - 30 May	Pegasus Airlines
02 May - 09 May	Wizz Air UK

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

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 May from $784

Return flights