Cheapest one-way flights from Seattle to Seoul in October from 552€

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 October 2025 (see full year).

One-Way flights

05 Oct Air Canada
04 Oct Air Canada
03 Oct Air Canada
06 Oct EVA Air
07 Oct EVA Air
12 Oct Air Canada
08 Oct EVA Air
05 Oct Asiana Airlines direct
04 Oct Asiana Airlines direct
03 Oct Asiana Airlines direct

Also check the deals for return flights from Seattle to Seoul in October.

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul