Cheapest return NRT–ICN flights, December

AirHint found the following cheapest return flights from Tokyo (NRT) to Seoul (ICN) in December 2026 (see full year).

Return flights

15 Dec - 18 Dec Korean Air direct
21 Dec - 06 Jan Korean Air direct
07 Dec - 08 Dec Korean Air direct
07 Dec - 17 Dec Korean Air direct
08 Dec - 08 Dec Korean Air direct
08 Dec - 09 Dec Korean Air direct
08 Dec - 17 Dec Korean Air direct
02 Dec - 03 Dec Korean Air direct
02 Dec - 04 Dec Korean Air direct
02 Dec - 05 Dec Korean Air direct
01 Dec - 02 Dec Korean Air direct
22 Dec - 04 Jan Asiana Airlines direct
18 Dec - 06 Jan Korean Air direct
19 Dec - 08 Jan Korean Air direct
18 Dec - 05 Jan Korean Air direct
24 Dec - 02 Jan Asiana Airlines direct
23 Dec - 01 Jan Asiana Airlines direct
24 Dec - 01 Jan Asiana Airlines direct
23 Dec - 02 Jan Asiana Airlines direct
29 Dec - 05 Jan Korean Air direct

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