AirHint found the following cheapest return flights from Lisbon (LIS) to Seoul (ICN) in March 2026 (see full year).

Return flights

09 Mar - 22 Mar	Ryanair
10 Mar - 23 Mar	Ryanair
04 Mar - 14 Mar	easyJet
03 Mar - 13 Mar	Ryanair
03 Mar - 16 Mar	Ryanair
09 Mar - 24 Mar	Ryanair
11 Mar - 23 Mar	Ryanair
04 Mar - 08 Mar	easyJet
05 Mar - 17 Mar	Ryanair
03 Mar - 09 Mar	Ryanair
02 Mar - 01 Apr	Ryanair
16 Mar - 16 Apr	easyJet
24 Mar - 07 Apr	Vueling Airlines
26 Mar - 04 Apr	Ryanair
25 Mar - 07 Apr	easyJet
16 Mar - 30 Apr	Ryanair
25 Mar - 01 Apr	easyJet
24 Mar - 08 Apr	Ryanair
29 Mar - 20 Apr	Wizz Air
24 Mar - 03 Apr	Vueling Airlines

Also check the deals for one-way flights from Lisbon to Seoul in March.

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 Lisbon to Seoul in March from $556

Return flights