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

Return flights

16 Mar - 22 Mar	T'way Air	direct
16 Mar - 26 Mar	T'way Air	direct
03 Mar - 04 Mar	Jeju Air	direct
08 Mar - 12 Mar	Jeju Air	direct
15 Mar - 19 Mar	Jeju Air	direct
16 Mar - 20 Mar	Jeju Air	direct
01 Mar - 06 Mar	Jeju Air	direct
01 Mar - 05 Mar	Jeju Air	direct
22 Mar - 24 Mar	Jeju Air	direct
01 Mar - 04 Mar	Jeju Air	direct

Also check the deals for one-way flights from Seoul to Agana 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 Seoul to Agana in March from 182€

Return flights