Cheapest return flights from Seoul to Lisbon in May from $1061

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

Return flights

07 May - 17 May China Southern
17 May - 07 Jun China Southern
20 May - 03 Jun Japan Airlines
12 May - 19 May Japan Airlines
19 May - 25 May Japan Airlines
10 May - 02 Jun Japan Airlines
11 May - 02 Jun Japan Airlines
12 May - 02 Jun Japan Airlines
17 May - 24 May Japan Airlines
19 May - 27 May Japan Airlines
24 May - 03 Jun Japan Airlines
31 May - 10 Jun Japan Airlines
10 May - 20 May Japan Airlines
13 May - 20 May Japan Airlines
07 May - 16 May Japan Airlines
14 May - 21 May Japan Airlines
20 May - 31 May Japan Airlines
29 May - 07 Jun Japan Airlines
24 May - 02 Jun Japan Airlines
31 May - 07 Jun Japan Airlines

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

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