AirHint found the following cheapest return flights from Sandefjord (TRF) to Seoul (ICN) in December 2025 (see full year).

Return flights

04 Dec - 17 Dec	Wizz Air
04 Dec - 10 Dec	Ryanair
01 Dec - 15 Dec	Ryanair
09 Dec - 17 Dec	Scandinavian Airlines
11 Dec - 19 Dec	Scandinavian Airlines
07 Dec - 15 Dec	Scandinavian Airlines
02 Dec - 10 Dec	Scandinavian Airlines
16 Dec - 30 Dec	Ryanair
14 Dec - 22 Dec	Scandinavian Airlines
26 Dec - 09 Jan	Ryanair
17 Dec - 31 Dec	Wizz Air
27 Dec - 03 Jan	Ryanair
30 Dec - 07 Jan	Scandinavian Airlines
29 Dec - 02 Jan	Wizz Air
27 Dec - 05 Jan	Wizz Air
09 Dec - 10 Jan	Scandinavian Airlines
19 Dec - 12 Jan	Ryanair

Also check the deals for one-way flights from Sandefjord to Seoul in December.

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

Cheapest return flights from Sandefjord to Seoul in December from $562

Return flights