AirHint found the following cheapest return flights from Los Angeles (LAX) to Warsaw (WAW) in September 2025 (see full year).

Return flights

01 Sep - 11 Sep	Scandinavian Airlines
23 Sep - 01 Oct	Scandinavian Airlines
05 Sep - 11 Sep	Scandinavian Airlines
11 Sep - 23 Sep	SWISS
10 Sep - 24 Sep	Austrian Airlines
15 Sep - 25 Sep	Scandinavian Airlines
14 Sep - 21 Sep	LOT	direct
11 Sep - 18 Sep	LOT	direct
01 Sep - 11 Sep	LOT	direct
10 Sep - 24 Sep	LOT	direct
02 Sep - 09 Sep	LOT	direct
26 Sep - 03 Oct	LOT	direct
29 Sep - 06 Oct	LOT	direct

Also check the deals for one-way flights from Los Angeles 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.

Book a cheap hotel in Warsaw

Cheap car rent in Warsaw

Cheapest return flights from Los Angeles to Warsaw in September from $465

Return flights