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

Return flights

03 Mar - 13 Mar	Ryanair
03 Mar - 16 Mar	Ryanair
11 Mar - 23 Mar	easyJet
12 Mar - 14 Mar	Ryanair
03 Mar - 09 Mar	Ryanair
18 Mar - 22 Mar	Ryanair
07 Mar - 15 Mar	easyJet
06 Mar - 17 Mar	Ryanair
11 Mar - 16 Mar	easyJet
05 Mar - 11 Mar	Ryanair
25 Mar - 05 Apr	easyJet
02 Mar - 01 Apr	Ryanair
15 Mar - 01 Apr	Ryanair
16 Mar - 16 Apr	easyJet
24 Mar - 08 Apr	Ryanair
16 Mar - 15 Apr	easyJet
29 Mar - 07 Apr	TAP
26 Mar - 04 Apr	Vueling Airlines
27 Mar - 05 Apr	easyJet
24 Mar - 07 Apr	TAP

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 507€

Return flights