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

Return flights

19 Sep - 14 Oct	easyJet
08 Sep - 16 Sep	Etihad Airways
17 Sep - 04 Oct	easyJet
24 Sep - 15 Oct	Air China
04 Sep - 18 Sep	easyJet
02 Sep - 19 Sep	China Eastern
27 Sep - 25 Oct	Condor
02 Sep - 23 Sep	easyJet
02 Sep - 14 Sep	easyJet
15 Sep - 21 Sep	easyJet
12 Sep - 21 Sep	easyJet
06 Sep - 21 Sep	easyJet
07 Sep - 14 Sep	easyJet
07 Sep - 21 Sep	easyJet
15 Sep - 13 Oct	Air China
12 Sep - 08 Oct	Etihad Airways
07 Sep - 04 Oct	Air China
15 Sep - 04 Oct	Air China
08 Sep - 03 Oct	Air China
10 Sep - 20 Oct	Air China

Also check the deals for one-way flights from Paris 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 Paris to Hanoi in September from 570€

Return flights