Cheapest return flights from Osaka to Seoul in March from $139

AirHint found the following cheapest return flights from Osaka (KIX) to Seoul (GMP) in March 2026 (see full year).

Return flights

28 Mar - 07 Apr Jeju Air direct
05 Mar - 10 Mar Peach direct
09 Mar - 11 Mar Peach direct
07 Mar - 09 Mar Jeju Air direct
04 Mar - 05 Mar Jeju Air direct
12 Mar - 16 Mar Jeju Air direct
06 Mar - 08 Mar Peach direct
04 Mar - 08 Mar Jeju Air direct
11 Mar - 15 Mar Jeju Air direct
12 Mar - 15 Mar Jeju Air direct
10 Mar - 12 Mar Peach direct
27 Mar - 08 Apr Jeju Air direct
26 Mar - 01 Apr Jeju Air direct
24 Mar - 01 Apr Jeju Air direct
27 Mar - 02 Apr Jeju Air direct
12 Mar - 02 Apr Jeju Air direct
24 Mar - 15 Apr Jeju Air
26 Mar - 06 Apr Jeju Air direct
25 Mar - 07 Apr Jeju Air direct
27 Mar - 03 Apr Jeju Air direct

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

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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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