Cheapest return flights from Seattle to Seoul in October from 609€

AirHint found the following cheapest return flights from Seattle (SEA) to Seoul (ICN) in October 2026 (see full year).

Return flights

06 Oct - 27 Oct Cathay Pacific
06 Oct - 27 Oct Asiana Airlines direct
17 Oct - 31 Oct Alaska Airlines
09 Oct - 28 Nov China Airlines
07 Oct - 14 Oct Air Canada
07 Oct - 14 Oct Delta direct
17 Oct - 31 Oct Delta direct
09 Oct - 28 Nov Delta direct

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

Powered by

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

Feel free to contact us with any feedback or request another flight research.