Cheapest return flights from Helsinki to Warsaw in September from $81

Best time to book flights for Helsinki (HEL) to Warsaw (WMI) flights at AirHint

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

Return flights

12 Sep - 29 Sep Ryanair direct
29 Sep - 10 Oct Ryanair direct
12 Sep - 03 Oct Ryanair direct
29 Sep - 13 Oct Ryanair direct
29 Sep - 03 Oct Ryanair direct
12 Sep - 26 Sep Ryanair direct
15 Sep - 29 Sep Ryanair direct
15 Sep - 03 Oct Ryanair direct
15 Sep - 26 Sep Ryanair direct
22 Sep - 10 Oct Ryanair direct
22 Sep - 29 Sep Ryanair direct
22 Sep - 13 Oct Ryanair direct
22 Sep - 03 Oct Ryanair direct
22 Sep - 26 Sep Ryanair direct
19 Sep - 10 Oct Ryanair direct
19 Sep - 29 Sep Ryanair direct
19 Sep - 03 Oct Ryanair direct
19 Sep - 26 Sep Ryanair direct
01 Sep - 05 Sep Ryanair direct
01 Sep - 08 Sep Ryanair direct

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

Skyscanner

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.

Book a cheap hotel in Warsaw

Cheap car rent in Warsaw