Cheapest return flights from Seattle to Seoul in March from 571€

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

Return flights

12 Mar - 25 Mar Hainan Airlines
12 Mar - 19 Mar Hainan Airlines
05 Mar - 17 Mar Hainan Airlines
03 Mar - 17 Mar Hawaiian Airlines
11 Mar - 17 Mar Philippine Airlines
24 Mar - 25 Apr Cathay Pacific
07 Mar - 13 Mar Asiana Airlines direct
23 Mar - 30 Mar Asiana Airlines direct
16 Mar - 07 Apr Korean Air direct
05 Mar - 23 Mar Asiana Airlines direct
12 Mar - 25 Mar Asiana Airlines direct
24 Mar - 18 Apr Alaska Airlines
06 Mar - 16 Mar Philippine Airlines
22 Mar - 14 Apr Philippine Airlines
18 Mar - 11 Apr Alaska Airlines
30 Mar - 30 Apr Delta direct
26 Mar - 08 Apr Delta direct
24 Mar - 25 Apr Korean Air direct
22 Mar - 14 Apr Asiana Airlines direct
24 Mar - 18 Apr Delta direct

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

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