Cheapest return flights from Seattle to Seoul in June from $998

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

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

Return flights

01 Jun - 07 Jun Air Canada
03 Jun - 11 Jun Alaska Airlines
13 Jun - 28 Jun Air Canada
12 Jun - 28 Jun Air Canada
10 Jun - 23 Jun WestJet
05 Jun - 07 Jul WestJet
13 Jun - 21 Jun WestJet
18 Jun - 02 Jul Air Canada
15 Jun - 23 Jun Alaska Airlines
11 Jun - 18 Jun Alaska Airlines
01 Jun - 06 Jun Alaska Airlines
04 Jun - 11 Jun ANA
26 Jun - 08 Jul Turkish Airlines
25 Jun - 22 Jul Turkish Airlines
29 Jun - 08 Jul Turkish Airlines
25 Jun - 19 Jul Turkish Airlines
13 Jun - 25 Jul Turkish Airlines
14 Jun - 25 Jul Turkish Airlines
30 Jun - 08 Jul China Airlines
30 Jun - 04 Jul Japan Airlines

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

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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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