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

Return flights

11 May - 18 May	Air China
11 May - 22 May	Air China
20 May - 31 May	Air China
14 May - 27 May	Air China
06 May - 20 May	Air China
14 May - 22 May	Air China
07 May - 28 May	Air China
09 May - 23 May	Air China
14 May - 29 May	Air China
23 May - 05 Jun	Air China
18 May - 28 May	Air China
24 May - 05 Jun	Air China
22 May - 05 Jun	Air China
25 May - 05 Jun	Air China
15 May - 05 Jun	Japan Airlines
14 May - 05 Jun	Japan Airlines

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

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 Frankfurt to Seoul in May from $940

Return flights