Cheapest return flights from Seattle to Seoul in June from $1103

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

12 Jun - 24 Jun WestJet
01 Jun - 15 Jun WestJet
10 Jun - 17 Jun WestJet
13 Jun - 18 Jun WestJet
04 Jun - 23 Jun Air Canada
12 Jun - 23 Jun Air Canada
08 Jun - 19 Jun Air Canada
08 Jun - 24 Jun Air Canada
16 Jun - 30 Jun Air Canada
22 Jun - 03 Jul Asiana Airlines
04 Jun - 25 Jun Air Canada
22 Jun - 03 Jul Asiana Airlines direct

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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