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

Return flights

12 Oct - 02 Nov	Singapore Airlines
11 Oct - 02 Nov	Singapore Airlines
03 Oct - 18 Oct	Air China
26 Oct - 17 Nov	Asiana Airlines
11 Oct - 25 Oct	Singapore Airlines
02 Oct - 17 Oct	Air China
06 Oct - 20 Oct	United
13 Oct - 20 Oct	United
21 Oct - 28 Oct	Philippine Airlines
10 Oct - 24 Oct	Philippine Airlines
10 Oct - 02 Nov	ANA
04 Oct - 17 Oct	Philippine Airlines
05 Oct - 19 Oct	China Airlines

Also check the deals for one-way flights from Los Angeles 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 Los Angeles to Hanoi in October from $589

Return flights