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

Return flights

25 Aug - 27 Aug	United
28 Aug - 08 Sep	Cathay Pacific
20 Aug - 10 Sep	United
20 Aug - 27 Aug	United
21 Aug - 28 Aug	United
28 Aug - 06 Sep	United
20 Aug - 03 Sep	Asiana Airlines
20 Aug - 27 Aug	American Airlines	direct
21 Aug - 28 Aug	American Airlines	direct
22 Aug - 29 Aug	Frontier Airlines
29 Aug - 08 Sep	Spirit Airlines
22 Aug - 29 Aug	American Airlines	direct
29 Aug - 08 Sep	Korean Air	direct
28 Aug - 06 Sep	American Airlines	direct
20 Aug - 03 Sep	Korean Air	direct
24 Aug - 31 Aug	Korean Air	direct
20 Aug - 10 Sep	Delta	direct
29 Aug - 10 Sep	Delta	direct
25 Aug - 27 Aug	Korean Air	direct
19 Aug - 26 Aug	Korean Air	direct

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

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 August from $845

Return flights