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

Return flights

05 Sep - 14 Sep	China Eastern
19 Sep - 22 Sep	HK Express
13 Sep - 15 Sep	HK Express
12 Sep - 19 Sep	HK Express
04 Sep - 17 Sep	Thai AirAsia
13 Sep - 17 Sep	Thai AirAsia
20 Sep - 23 Sep	HK Express
18 Sep - 25 Sep	HK Express
02 Sep - 17 Sep	Thai AirAsia
04 Sep - 15 Sep	Thai AirAsia
25 Sep - 15 Oct	Thai AirAsia
25 Sep - 11 Oct	Thai AirAsia
18 Sep - 04 Oct	Thai AirAsia
18 Sep - 01 Oct	Thai AirAsia
25 Sep - 04 Oct	Thai AirAsia
25 Sep - 01 Oct	Thai AirAsia
13 Sep - 01 Oct	Thai AirAsia
25 Sep - 12 Oct	Thai AirAsia
25 Sep - 09 Oct	Thai AirAsia
14 Sep - 04 Oct	Thai AirAsia

Also check the deals for one-way flights from Okinawa 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 Okinawa to Hanoi in September from $265

Return flights