Cheapest return flights from Seoul to Hanoi in September from 183€

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

Return flights

10 Sep - 14 Sep VietJet Air
13 Sep - 18 Sep Jeju Air direct
01 Sep - 05 Sep VietJet Air
17 Sep - 24 Sep VietJet Air
06 Sep - 12 Sep Thai VietJet Air
10 Sep - 14 Sep Jeju Air direct
07 Sep - 15 Sep Jeju Air direct
18 Sep - 20 Sep HK Express
01 Sep - 15 Sep VietJet Air
16 Sep - 20 Sep Jeju Air
30 Sep - 07 Oct China Southern
29 Sep - 05 Oct Asiana Airlines direct
30 Sep - 10 Oct Asiana Airlines direct
30 Sep - 07 Oct Asiana Airlines direct
24 Sep - 10 Oct HK Express
24 Sep - 05 Oct HK Express
24 Sep - 05 Oct Asiana Airlines direct
24 Sep - 10 Oct Jeju Air direct

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

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