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

Return flights

16 May - 31 May	Alaska Airlines
16 May - 30 May	Alaska Airlines
09 May - 18 May	Alaska Airlines
20 May - 27 May	EVA Air
01 May - 23 May	Key Lime Air dba Denver Air Connection
21 May - 13 Jun	WestJet
23 May - 14 Jun	WestJet
20 May - 04 Jun	Alaska Airlines
26 May - 16 Jun	Alaska Airlines
01 May - 23 May	Delta	direct
09 May - 18 May	Delta	direct
06 May - 13 May	Delta	direct
18 May - 27 May	Delta	direct
20 May - 27 May	Korean Air	direct
11 May - 14 Jun	Delta	direct
20 May - 04 Jun	Delta	direct
21 May - 13 Jun	Korean Air	direct
23 May - 14 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 805€

Return flights