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

Return flights

29 Nov - 02 Dec	EVA Air
22 Nov - 25 Nov	EVA Air
05 Nov - 09 Nov	Air China
04 Nov - 08 Nov	Air China
27 Nov - 30 Nov	Air China
04 Nov - 09 Nov	Air China
13 Nov - 17 Nov	Air China
13 Nov - 16 Nov	Air China
03 Nov - 07 Nov	Air China
05 Nov - 08 Nov	Air China
07 Nov - 12 Nov	Air China
27 Nov - 02 Dec	Air China
29 Nov - 01 Dec	EVA Air
29 Nov - 04 Dec	EVA Air
28 Nov - 03 Dec	Air China
27 Nov - 01 Dec	Air China
28 Nov - 01 Dec	Air China
12 Nov - 07 Dec	Air China
30 Nov - 04 Dec	Air China
24 Nov - 17 Dec	Air China

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

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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Cheapest return flights from Seoul to Hanoi in November from 388€

Return flights