Cheapest return flights from Seoul to Lisbon in May from $639

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

Return flights

12 May - 19 May Shenzhen Airlines
07 May - 14 May Shenzhen Airlines
12 May - 21 May Air France
11 May - 25 May China Southern
16 May - 23 May China Southern
10 May - 17 May Etihad Airways
10 May - 19 May Etihad Airways
08 May - 28 May China Southern
16 May - 20 May LOT
30 May - 08 Jun LOT
12 May - 22 May Air France
25 May - 03 Jun Emirates
13 May - 10 Jun Emirates
26 May - 03 Jun Emirates
06 May - 03 Jun Emirates
21 May - 02 Jun Emirates
30 May - 07 Jun LOT
24 May - 03 Jun Emirates
24 May - 02 Jun Emirates
21 May - 06 Jun Emirates

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

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