AirHint found the following cheapest one-way flights from Tokyo (NRT) to Hanoi (HAN) in October 2025 (see full year).

One-Way flights

13 Oct	VietJet Air	direct
21 Oct	VietJet Air	direct
15 Oct	VietJet Air	direct
23 Oct	VietJet Air	direct
14 Oct	VietJet Air	direct
17 Oct	VietJet Air	direct
22 Oct	VietJet Air	direct
30 Oct	Shenzhen Airlines
25 Oct	Shenzhen Airlines
19 Oct	VietJet Air	direct

Also check the deals for return flights from Tokyo 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 one-way flights from Tokyo to Hanoi in October from $104

One-Way flights