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

Return flights

16 Sep - 02 Oct	easyJet
17 Sep - 02 Oct	easyJet
20 Sep - 04 Oct	Volotea
12 Sep - 27 Sep	AJet
23 Sep - 30 Sep	Pegasus Airlines
20 Sep - 05 Oct	Volotea
25 Sep - 02 Oct	easyJet
21 Sep - 16 Oct	AJet
18 Sep - 01 Oct	AJet
08 Sep - 16 Sep	Pegasus Airlines
23 Sep - 14 Oct	easyJet
24 Sep - 01 Oct	easyJet
23 Sep - 07 Oct	easyJet
02 Sep - 10 Sep	easyJet
16 Sep - 23 Sep	easyJet
22 Sep - 29 Sep	easyJet
01 Sep - 15 Sep	easyJet
01 Sep - 30 Sep	Vueling Airlines
16 Sep - 28 Sep	Air France

Also check the deals for one-way flights from Lyon 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 Lyon to Hanoi in September from 632€

Return flights