Cheapest return flights from Seattle to Seoul in March from $917

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 - 16 Mar China Airlines
24 Mar - 21 Apr Air Canada
13 Mar - 19 Mar Hainan Airlines
10 Mar - 18 Mar China Airlines
17 Mar - 25 Mar Spirit Airlines
10 Mar - 17 Mar China Airlines
11 Mar - 18 Mar Frontier Airlines
12 Mar - 20 Mar China Airlines
24 Mar - 17 Apr Air Canada
18 Mar - 07 Apr Air Canada
24 Mar - 09 Apr Air Canada
10 Mar - 14 Apr Air Canada
17 Mar - 21 Apr China Airlines
20 Mar - 26 Mar Hainan Airlines
12 Mar - 19 Mar Philippine Airlines
11 Mar - 17 Mar China Airlines
18 Mar - 30 Apr Air Canada
27 Mar - 02 Apr Air Canada
25 Mar - 28 Apr China Airlines
29 Mar - 12 Apr Air Canada

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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