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

Return flights

15 May - 22 May	Air China
02 May - 28 May	Air China
02 May - 21 May	Air China
03 May - 22 May	Air China
13 May - 04 Jun	Air China
01 May - 11 May	Air China
02 May - 11 May	Air China
05 May - 12 May	Air India
04 May - 11 May	Condor
01 May - 15 May	Air China
01 May - 12 May	Air China
27 May - 17 Jun	Air China
21 May - 18 Jun	Air China
22 May - 22 Jun	Air China
22 May - 09 Jun	Air China
18 May - 15 Jun	Air China
29 May - 19 Jun	Air China
19 May - 25 Jun	Air China
29 May - 03 Jun	Air China
18 May - 01 Jun	Air China

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from Frankfurt to Seoul in May from 543€

Return flights