Cheapest return flights from Seattle to Osaka in March from $636

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

Return flights

10 Mar - 17 Mar Asiana Airlines
01 Mar - 09 Mar ANA
02 Mar - 16 Mar United
03 Mar - 07 Mar ANA
01 Mar - 08 Mar Air Canada
24 Mar - 01 Apr Asiana Airlines
16 Mar - 25 Mar Korean Air
15 Mar - 05 Apr Cathay Pacific
27 Mar - 03 Apr Philippine Airlines
25 Mar - 01 Apr Philippine Airlines
14 Mar - 20 Mar EVA Air
13 Mar - 16 Mar Philippine Airlines

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

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