Cheapest return LIS–ICN flights, May

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

Return flights

05 May - 18 May Ryanair
12 May - 01 Jun Ryanair
28 May - 20 Jun Etihad Airways
27 May - 19 Jun Wizz Air
13 May - 18 May Etihad Airways
05 May - 12 May Etihad Airways
27 May - 10 Jun Etihad Airways
20 May - 27 May Etihad Airways
27 May - 21 Jun Etihad Airways
06 May - 13 May Etihad Airways
15 May - 29 May Ryanair
23 May - 06 Jun Etihad Airways
28 May - 18 Jun Ryanair
11 May - 29 May Ryanair
31 May - 10 Jun Etihad Airways
31 May - 21 Jun Etihad Airways
03 May - 18 May Etihad Airways
31 May - 17 Jun Etihad Airways
01 May - 17 May easyJet
02 May - 30 May TAP

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

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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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