AirHint found the following cheapest return flights from Warsaw (WMI) to Budapest (BUD) in September 2025 (see full year).

Return flights

30 Sep - 03 Oct	Ryanair	direct
27 Sep - 04 Oct	Ryanair	direct
23 Sep - 27 Sep	Ryanair	direct
16 Sep - 23 Sep	Ryanair	direct
20 Sep - 27 Sep	Ryanair	direct
16 Sep - 20 Sep	Ryanair	direct
23 Sep - 30 Sep	Ryanair	direct
26 Sep - 03 Oct	Ryanair
27 Sep - 30 Sep	Ryanair	direct
20 Sep - 23 Sep	Ryanair	direct
29 Sep - 03 Oct	Ryanair
30 Sep - 01 Oct	Ryanair
27 Sep - 01 Oct	Ryanair
16 Sep - 18 Sep	Ryanair
24 Sep - 27 Sep	Ryanair
23 Sep - 26 Sep	Ryanair
28 Sep - 01 Oct	Ryanair

Also check the deals for one-way flights from Warsaw to Budapest 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 Warsaw to Budapest in September from 45€

Return flights