Cheapest return flights from Seoul to Hanoi in October from $146

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

Return flights

18 Oct - 20 Oct VietJet Air direct
13 Oct - 24 Oct VietJet Air direct
13 Oct - 20 Oct VietJet Air direct
15 Oct - 17 Oct VietJet Air direct
31 Oct - 07 Nov VietJet Air direct
30 Oct - 03 Nov VietJet Air direct
11 Oct - 18 Oct VietJet Air direct
13 Oct - 17 Oct Jeju Air direct
18 Oct - 25 Oct Jeju Air direct
14 Oct - 22 Oct Jeju Air direct
16 Oct - 22 Oct Jeju Air direct
19 Oct - 21 Oct Vietnam Airlines direct
24 Oct - 07 Nov Vietnam Airlines direct
20 Oct - 24 Nov Vietnam Airlines direct
12 Oct - 17 Nov VietJet Air
31 Oct - 02 Nov VietJet Air
25 Oct - 02 Nov Vietnam Airlines
19 Oct - 02 Nov Vietnam Airlines
30 Oct - 04 Nov Vietnam Airlines
29 Oct - 12 Nov Vietnam Airlines

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

Skyscanner

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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