Cheapest return flights from Seattle to Seoul in April from $1080

Best time to book flights for Seattle (SEA) to Seoul (GMP) flights at AirHint

AirHint found the following cheapest return flights from Seattle (SEA) to Seoul (GMP) in April 2025 (see full year).

Return flights

14 Apr - 23 Apr Spirit Airlines
25 Apr - 02 May EVA Air
16 Apr - 23 Apr Philippine Airlines
15 Apr - 22 Apr ANA
25 Apr - 11 May China Airlines
26 Apr - 10 May ANA
02 Apr - 09 Apr EVA Air
29 Apr - 27 May ANA
26 Apr - 05 May Japan Airlines
09 Apr - 12 Apr EVA Air
11 Apr - 19 Apr EVA Air
26 Apr - 01 May Japan Airlines
10 Apr - 21 Apr STARLUX Airlines
26 Apr - 03 May Japan Airlines
05 Apr - 15 Apr STARLUX Airlines
05 Apr - 14 Apr STARLUX Airlines
14 Apr - 21 Apr Alaska Airlines

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

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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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