Cheapest return flights from Seoul to Hanoi in September from 415€

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

Return flights

01 Sep - 09 Sep Asiana Airlines
10 Sep - 14 Sep Air China
14 Sep - 17 Sep Jeju Air
08 Sep - 13 Sep Air China
07 Sep - 15 Sep Jeju Air
09 Sep - 13 Sep Jeju Air
12 Sep - 16 Sep Jeju Air
04 Sep - 09 Sep Air China
18 Sep - 23 Sep Air China
07 Sep - 13 Sep Jeju Air
30 Sep - 07 Oct Air China

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

Powered by

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 Hanoi

Cheap car rent in Hanoi

Feel free to contact us with any feedback or request another flight research.