Cheapest return flights from Seattle to Seoul in April from 587€

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

Return flights

13 Apr - 05 May Cathay Pacific
20 Apr - 14 May Cathay Pacific
20 Apr - 04 May Cathay Pacific
13 Apr - 20 Apr Cathay Pacific
13 Apr - 11 May Cathay Pacific
20 Apr - 29 Apr Cathay Pacific
25 Apr - 25 May Cathay Pacific
06 Apr - 14 Apr Air Canada
05 Apr - 28 Apr Air Canada
09 Apr - 13 Apr Air Canada
09 Apr - 15 Apr Air Canada
07 Apr - 21 Apr Air Canada
02 Apr - 13 Apr Air Canada
06 Apr - 04 May Air Canada
09 Apr - 14 May Air Canada
25 Apr - 29 Apr Cathay Pacific
13 Apr - 17 Apr Air Canada
22 Apr - 01 May Air Canada
11 Apr - 05 May Air Canada
10 Apr - 05 May Air Canada

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

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