AirHint found the following cheapest return flights from Busan (PUS) to Lisbon (LIS) in December 2025 (see full year).

Return flights

30 Dec - 16 Jan	Eastar Jet
30 Dec - 09 Jan	Eastar Jet
14 Dec - 17 Dec	Korean Air
02 Dec - 10 Dec	Korean Air
25 Dec - 31 Dec	Korean Air
24 Dec - 28 Dec	Korean Air
01 Dec - 07 Dec	Japan Airlines
06 Dec - 13 Dec	Japan Airlines
08 Dec - 12 Dec	Japan Airlines
29 Dec - 01 Jan	Japan Airlines
25 Dec - 01 Jan	Japan Airlines
27 Dec - 01 Jan	Japan Airlines
31 Dec - 10 Jan	Japan Airlines
01 Dec - 06 Dec	Japan Airlines
02 Dec - 30 Dec	Japan Airlines
20 Dec - 27 Dec	Japan Airlines
27 Dec - 03 Jan	Japan Airlines
22 Dec - 12 Jan	Japan Airlines

Also check the deals for one-way flights from Busan to Lisbon 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.

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Cheapest return flights from Busan to Lisbon in December from 602€

Return flights