Cheapest return flights from Seoul to Hanoi in October from $196

Best time to book flights for Seoul (ICN) to Hanoi (HAN) flights at AirHint

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

Return flights

21 Oct - 24 Oct Vietnam Airlines direct
22 Oct - 28 Oct Vietnam Airlines direct
23 Oct - 30 Oct Vietnam Airlines direct
23 Oct - 28 Oct Vietnam Airlines direct
17 Oct - 19 Oct Vietnam Airlines direct
19 Oct - 24 Oct Vietnam Airlines direct
15 Oct - 20 Oct Vietnam Airlines direct
20 Oct - 24 Oct Vietnam Airlines direct
26 Oct - 31 Oct Vietnam Airlines direct
14 Oct - 15 Oct Vietnam Airlines direct
28 Oct - 04 Nov Vietnam Airlines
28 Oct - 02 Nov Vietnam Airlines
31 Oct - 07 Nov Vietnam Airlines
30 Oct - 03 Nov Vietnam Airlines
20 Oct - 15 Nov Vietnam Airlines
29 Oct - 02 Nov Vietnam Airlines
24 Oct - 01 Nov Vietnam Airlines
31 Oct - 03 Nov Vietnam Airlines
30 Oct - 02 Nov Vietnam Airlines
30 Oct - 04 Nov VietJet Air

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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