AirHint found the following cheapest return flights from Kuala Lumpur (KUL) to Warsaw (WAW) in September 2025 (see full year).

Return flights

18 Sep - 30 Sep	Qatar Airways
17 Sep - 30 Sep	Qatar Airways
17 Sep - 29 Sep	Qatar Airways
18 Sep - 01 Oct	Qatar Airways
17 Sep - 02 Oct	Qatar Airways
18 Sep - 02 Oct	Qatar Airways
17 Sep - 01 Oct	Qatar Airways
19 Sep - 02 Oct	Qatar Airways
20 Sep - 28 Sep	Qatar Airways
16 Sep - 30 Sep	Qatar Airways
16 Sep - 29 Sep	Qatar Airways
10 Sep - 17 Sep	AirAsia
19 Sep - 20 Sep	Qatar Airways
11 Sep - 15 Sep	Batik Air Malaysia
12 Sep - 20 Sep	Air Arabia
14 Sep - 12 Oct	Emirates

Also check the deals for one-way flights from Kuala Lumpur to Warsaw in September.

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 Kuala Lumpur to Warsaw in September from $667

Return flights