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

Return flights

22 Sep - 20 Oct	Air France
17 Sep - 21 Oct	Air France
18 Sep - 21 Oct	Lufthansa
22 Sep - 29 Sep	Air France
13 Sep - 22 Sep	Wizz Air UK
10 Sep - 14 Sep	Air Arabia
24 Sep - 08 Oct	KLM
12 Sep - 28 Sep	Air Arabia
20 Sep - 21 Oct	Lufthansa
03 Sep - 05 Sep	Air Arabia
08 Sep - 15 Sep	Air France
08 Sep - 21 Sep	Air France
10 Sep - 17 Sep	KLM
01 Sep - 31 Oct	Air China
23 Sep - 08 Oct	Air France
19 Sep - 03 Oct	Lufthansa
10 Sep - 24 Sep	Air France
01 Sep - 11 Sep	Air China
24 Sep - 09 Oct	KLM
24 Sep - 12 Oct	KLM

Also check the deals for one-way flights from Warsaw to Hanoi 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 Hanoi

Cheap car rent in Hanoi

Cheapest return flights from Warsaw to Hanoi in September from £580

Return flights