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

Return flights

10 May - 19 May	Lufthansa
29 May - 06 Jun	Air France
27 May - 08 Jun	LOT
10 May - 20 May	Lufthansa
11 May - 20 May	Lufthansa
15 May - 20 May	Lufthansa
05 May - 25 May	Lufthansa
07 May - 15 May	Lufthansa
05 May - 20 May	Lufthansa
05 May - 18 May	Lufthansa
14 May - 01 Jun	Lufthansa
17 May - 30 May	HiSky Europe
17 May - 31 May	Animawings
22 May - 06 Jun	Lufthansa
25 May - 05 Jun	Lufthansa
30 May - 06 Jun	KLM
27 May - 07 Jun	LOT

Also check the deals for one-way flights from Bucharest 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 Bucharest to Seoul in May from 627€

Return flights