AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Seoul (ICN) in October 2025 (see full year).

Return flights

23 Oct - 27 Oct	Alaska Airlines
05 Oct - 12 Oct	Alaska Airlines
05 Oct - 11 Oct	Alaska Airlines
15 Oct - 30 Oct	Hawaiian Airlines
01 Oct - 17 Oct	Alaska Airlines
23 Oct - 06 Nov	Alaska Airlines
31 Oct - 08 Nov	Hawaiian Airlines
30 Oct - 08 Nov	United
30 Oct - 06 Nov	United
30 Oct - 15 Nov	United
31 Oct - 15 Nov	Alaska Airlines
02 Oct - 28 Oct	United
02 Oct - 05 Oct	United
20 Oct - 29 Oct	United
06 Oct - 27 Oct	United
02 Oct - 17 Oct	Hawaiian Airlines
31 Oct - 09 Nov	Hawaiian Airlines
14 Oct - 12 Nov	Cathay Pacific
14 Oct - 12 Nov	Korean Air	direct
23 Oct - 06 Nov	Korean Air	direct

Also check the deals for one-way flights from Dallas-Fort Worth to Seoul in October.

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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Cheapest return flights from Dallas-Fort Worth to Seoul in October from $831

Return flights