Cheapest return flights from Seoul to Osaka in March from $142

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

Return flights

03 Mar - 05 Mar Jeju Air direct
04 Mar - 05 Mar Jeju Air direct
10 Mar - 12 Mar Peach direct
05 Mar - 08 Mar Peach direct
02 Mar - 05 Mar Jeju Air direct
11 Mar - 18 Mar Peach direct
10 Mar - 13 Mar Peach direct
03 Mar - 08 Mar Jeju Air direct
04 Mar - 08 Mar Jeju Air direct
05 Mar - 09 Mar Peach direct
14 Mar - 14 Apr Asiana Airlines direct
14 Mar - 15 Apr Asiana Airlines direct
31 Mar - 09 Apr Asiana Airlines direct
24 Mar - 01 Apr Asiana Airlines direct
27 Mar - 02 Apr Asiana Airlines direct
26 Mar - 01 Apr Asiana Airlines direct
10 Mar - 10 Apr Asiana Airlines direct
31 Mar - 03 Apr Asiana Airlines direct
31 Mar - 08 Apr Asiana Airlines direct
29 Mar - 01 Apr Asiana Airlines direct

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