AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Seoul (ICN) in March 2026 (see full year).

Return flights

09 Mar - 22 Mar	Cathay Pacific
03 Mar - 17 Mar	Cathay Pacific
12 Mar - 26 Mar	Cathay Pacific
09 Mar - 23 Mar	Cathay Pacific
09 Mar - 31 Mar	United
26 Mar - 11 Apr	United
07 Mar - 14 Mar	United
21 Mar - 04 Apr	United
09 Mar - 22 Mar	Delta	direct
03 Mar - 17 Mar	American Airlines	direct
12 Mar - 26 Mar	Delta	direct
09 Mar - 23 Mar	Delta	direct
26 Mar - 11 Apr	Delta	direct
21 Mar - 04 Apr	Korean Air	direct

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

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 March from $801

Return flights