Cheapest one-way flights from Seoul to Hanoi in December from $77

AirHint found the following cheapest one-way flights from Seoul (ICN) to Hanoi (HAN) in December 2026 (see full year).

One-Way flights

10 Dec VietJet Air direct
06 Dec Vietnam Airlines direct
04 Dec Vietnam Airlines direct
15 Dec China Southern
15 Dec Asiana Airlines direct
19 Dec Asiana Airlines direct
26 Dec Asiana Airlines direct
27 Dec Asiana Airlines direct
22 Dec Asiana Airlines direct
12 Dec Scoot

Also check the deals for return flights from Seoul to Hanoi in December.

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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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