Cheapest one-way flights from Seattle to Seoul in March from 426€

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

AirHint found the following cheapest one-way flights from Seattle (SEA) to Seoul (ICN) in March 2025 (see full year).

One-Way flights

18 Mar Frontier Airlines
23 Mar Frontier Airlines
13 Mar Spirit Airlines
24 Mar Spirit Airlines
22 Mar Spirit Airlines
29 Mar Spirit Airlines
08 Mar Air Canada
01 Mar Air Canada
25 Mar Air Canada
11 Mar Air Canada

Also check the deals for return 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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