Cheapest return flights from Hanoi to Seoul in September from 243€

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

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

Return flights

01 Sep - 05 Sep VietJet Air
04 Sep - 07 Sep Jeju Air direct
12 Sep - 16 Sep Jeju Air direct
14 Sep - 20 Sep China Southern
10 Sep - 10 Oct Vietnam Airlines direct
14 Sep - 20 Sep Vietnam Airlines direct
27 Sep - 12 Oct Jeju Air direct
01 Sep - 05 Sep Vietnam Airlines direct
26 Sep - 13 Oct AirAsia
02 Sep - 03 Sep AirAsia
23 Sep - 13 Oct AirAsia
03 Sep - 05 Sep AirAsia
09 Sep - 24 Sep AirAsia
23 Sep - 24 Sep AirAsia
26 Sep - 06 Oct AirAsia
23 Sep - 06 Oct AirAsia
26 Sep - 15 Oct AirAsia
22 Sep - 06 Oct AirAsia
23 Sep - 01 Oct AirAsia
22 Sep - 01 Oct AirAsia

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

Book a cheap hotel in Seoul

Cheap car rent in Seoul