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

Return flights

14 Sep - 25 Oct	Smart Wings
27 Sep - 18 Oct	Smart Wings
22 Sep - 28 Oct	Etihad Airways
14 Sep - 03 Oct	Smart Wings
28 Sep - 06 Oct	Smart Wings
22 Sep - 20 Oct	Etihad Airways
22 Sep - 29 Oct	Etihad Airways
28 Sep - 05 Oct	Smart Wings
21 Sep - 06 Oct	Smart Wings
17 Sep - 26 Oct	easyJet
13 Sep - 28 Sep	Smart Wings
11 Sep - 24 Sep	easyJet
01 Sep - 30 Sep	Etihad Airways
19 Sep - 27 Sep	Flynas
03 Sep - 19 Sep	Etihad Airways
19 Sep - 30 Sep	Flynas
15 Sep - 17 Sep	Etihad Airways
15 Sep - 29 Sep	Etihad Airways
08 Sep - 15 Sep	Etihad Airways
03 Sep - 10 Sep	Etihad Airways

Also check the deals for one-way flights from Prague 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.

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Cheapest return flights from Prague to Hanoi in September from $646

Return flights