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

Return flights

17 May - 01 Jun	HiSky Europe
16 May - 29 May	Ryanair
12 May - 26 May	Lufthansa
15 May - 29 May	Ryanair
12 May - 19 May	Lufthansa
17 May - 25 May	KLM
12 May - 04 Jun	LOT
10 May - 19 May	Lufthansa
09 May - 22 May	TAROM
22 May - 28 May	Lufthansa
14 May - 01 Jun	Lufthansa
08 May - 22 May	TAROM
24 May - 06 Jun	LOT
14 May - 30 May	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 603€

Return flights