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

Return flights

24 Mar - 03 Apr	Lufthansa
03 Mar - 14 Mar	Lufthansa
12 Mar - 21 Mar	Lufthansa
05 Mar - 08 Mar	Lufthansa
05 Mar - 13 Mar	Lufthansa
05 Mar - 17 Mar	Lufthansa
01 Mar - 14 Mar	Animawings
12 Mar - 28 Mar	Lufthansa
11 Mar - 20 Mar	Air France
15 Mar - 22 Mar	Lufthansa
14 Mar - 24 Mar	Wizz Air Malta
22 Mar - 01 Apr	Lufthansa
23 Mar - 03 Apr	Lufthansa
28 Mar - 05 Apr	Aegean Airlines
20 Mar - 24 Apr	Turkish Airlines

Also check the deals for one-way flights from Bucharest to Seoul in March.

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 March from $692

Return flights