Cheapest return flights from Hanoi to Seoul in October from $291

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 October 2025 (see full year).

Return flights

21 Oct - 25 Oct Jeju Air direct
03 Oct - 09 Oct Jeju Air direct
15 Oct - 19 Oct Jeju Air direct
27 Oct - 31 Oct Vietnam Airlines direct
23 Oct - 28 Oct Vietnam Airlines direct
26 Oct - 30 Oct Vietnam Airlines direct
17 Oct - 26 Oct Vietnam Airlines direct
23 Oct - 27 Oct Vietnam Airlines direct
29 Oct - 03 Nov Vietnam Airlines direct
31 Oct - 07 Nov Vietnam Airlines direct
31 Oct - 04 Nov Vietnam Airlines direct
31 Oct - 02 Nov China Southern
03 Oct - 08 Oct Vietnam Airlines
05 Oct - 09 Oct Asiana Airlines direct
30 Oct - 10 Nov AirAsia
28 Oct - 10 Nov AirAsia
30 Oct - 01 Nov AirAsia
28 Oct - 01 Nov AirAsia
30 Oct - 05 Nov AirAsia
28 Oct - 05 Nov AirAsia

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

Book a cheap hotel in Seoul

Cheap car rent in Seoul