Cheapest one-way flights from Seoul to Hanoi in September from $91

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

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

One-Way flights

09 Sep VietJet Air
25 Sep VietJet Air
25 Sep VietJet Air direct
09 Sep Jeju Air direct
14 Sep Jeju Air direct
07 Sep Jeju Air direct
13 Sep Jeju Air direct
01 Sep Jeju Air direct
20 Sep Jeju Air direct
15 Sep Jeju Air direct

Also check the deals for return 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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