Cheapest return flights from Seattle to Seoul in March from $881

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 March 2025 (see full year).

Return flights

07 Mar - 12 Mar Hawaiian Airlines
04 Mar - 11 Mar Frontier Airlines
01 Mar - 09 Mar Frontier Airlines
03 Mar - 10 Mar American Airlines
04 Mar - 18 Mar Frontier Airlines
06 Mar - 20 Mar Frontier Airlines
09 Mar - 16 Mar Spirit Airlines
01 Mar - 15 Mar Frontier Airlines
18 Mar - 25 Mar Asiana Airlines direct
20 Mar - 24 Mar Korean Air direct
03 Mar - 01 Apr Asiana Airlines direct
13 Mar - 25 Apr Delta direct

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

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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