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

Return flights

13 May - 24 May	Air France
15 May - 24 May	Air France
23 May - 01 Jun	Air France
14 May - 25 May	Air France
27 May - 30 May	Air France
21 May - 31 May	Air France
22 May - 30 May	Air France
22 May - 01 Jun	Air France
17 May - 29 May	Emirates
10 May - 18 May	Emirates
18 May - 29 May	Emirates
28 May - 04 Jun	Emirates
22 May - 31 May	Air France
29 May - 05 Jun	Emirates
29 May - 06 Jun	Air China
29 May - 05 Jun	Korean Air	direct
23 May - 01 Jun	Asiana Airlines	direct
18 May - 05 Jun	Scandinavian Airlines
29 May - 06 Jun	Lufthansa	direct

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

Cheap car rent in Frankfurt

Cheapest return flights from Seoul to Frankfurt in May from 559€

Return flights