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

Return flights

23 Sep - 30 Sep	Qatar Airways
22 Sep - 29 Sep	VietJet Air
19 Sep - 26 Sep	Qatar Airways
17 Sep - 24 Sep	Qatar Airways
26 Sep - 03 Oct	Qatar Airways
27 Sep - 04 Oct	Thai AirAsia
24 Sep - 01 Oct	Thai AirAsia
21 Sep - 28 Sep	VietJet Air
25 Sep - 02 Oct	Qatar Airways
20 Sep - 27 Sep	VietJet Air
29 Sep - 06 Oct	Qatar Airways
30 Sep - 07 Oct	Qatar Airways

Also check the deals for one-way flights from Hanoi to Prague 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 Hanoi to Prague in September from 678€

Return flights