Cheapest return flights from Seoul to Hanoi in October from 421€

AirHint found the following cheapest return flights from Seoul (GMP) to Hanoi (HAN) in October 2026 (see full year).

Return flights

12 Oct - 17 Oct Air China
10 Oct - 19 Oct Air China
19 Oct - 23 Oct Air China
18 Oct - 25 Oct Air China
16 Oct - 21 Oct Air China
22 Oct - 25 Oct Air China
21 Oct - 25 Oct Air China
17 Oct - 20 Oct Air China
23 Oct - 25 Oct Air China
26 Oct - 31 Oct Air China
29 Oct - 01 Nov Air China
30 Oct - 03 Nov Air China

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

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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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