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

Return flights

06 May - 28 May	Turkish Airlines
01 May - 31 May	Turkish Airlines
19 May - 29 May	Air Canada
22 May - 15 Jun	Finnair
28 May - 15 Jun	Finnair
21 May - 15 Jun	Finnair
28 May - 06 Jun	EVA Air
30 May - 27 Jun	Finnair
06 May - 28 May	Delta	direct
01 May - 31 May	Korean Air	direct
28 May - 15 Jun	Korean Air	direct
21 May - 15 Jun	Korean Air	direct
19 May - 29 May	Korean Air	direct
22 May - 15 Jun	Korean Air	direct
30 May - 27 Jun	Korean Air	direct

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

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 May from $1025

Return flights