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

Return flights

27 Oct - 15 Nov	Air China
31 Oct - 15 Nov	Air China
27 Oct - 17 Nov	Air China
29 Oct - 12 Nov	Air China
26 Oct - 16 Nov	Air China
25 Oct - 16 Nov	Air China
25 Oct - 09 Nov	Air China
25 Oct - 17 Nov	Air China
22 Oct - 06 Nov	Air China
25 Oct - 15 Nov	Air China
03 Oct - 15 Oct	Air China
13 Oct - 24 Oct	Air China
03 Oct - 18 Oct	Air China
01 Oct - 15 Oct	Air China
01 Oct - 20 Oct	Air China
13 Oct - 28 Oct	Ethiopian Airlines
22 Oct - 29 Oct	Ethiopian Airlines
22 Oct - 28 Oct	Ethiopian Airlines
01 Oct - 10 Oct	Singapore Airlines
03 Oct - 04 Oct	Kuwait Airways

Also check the deals for one-way flights from Paris to Hanoi in October.

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 October from 657€

Return flights