Cheapest return flights from Seattle to Seoul in June from $1141

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

17 Jun - 24 Jun Air Canada
10 Jun - 21 Jul Air Canada
23 Jun - 20 Jul WestJet
30 Jun - 21 Jul Air Canada
05 Jun - 12 Jun Turkish Airlines
15 Jun - 22 Jun Finnair
30 Jun - 21 Jul Delta direct
10 Jun - 21 Jul Delta direct
23 Jun - 20 Jul Delta direct
17 Jun - 24 Jun Delta direct
05 Jun - 12 Jun Delta direct
15 Jun - 22 Jun Delta direct

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

Skyscanner

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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