Cheapest return flights from Seoul to Hanoi in September from 108€

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

Return flights

22 Sep - 30 Sep VietJet Air direct
21 Sep - 24 Sep VietJet Air direct
20 Sep - 27 Sep VietJet Air direct
11 Sep - 13 Sep VietJet Air direct
13 Sep - 14 Sep VietJet Air direct
12 Sep - 14 Sep VietJet Air direct
22 Sep - 29 Sep VietJet Air direct
09 Sep - 30 Sep Jeju Air direct
05 Sep - 08 Sep VietJet Air direct
12 Sep - 22 Sep VietJet Air direct
22 Sep - 03 Oct Jeju Air direct
28 Sep - 01 Oct Jeju Air direct
28 Sep - 02 Oct Jeju Air direct
28 Sep - 03 Oct Jeju Air direct
28 Sep - 04 Oct Jeju Air direct
24 Sep - 01 Oct Jeju Air direct
24 Sep - 02 Oct Jeju Air direct
27 Sep - 03 Oct Jeju Air direct
25 Sep - 01 Oct Jeju Air direct
27 Sep - 01 Oct Jeju Air direct

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

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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