Cheapest return DFW–ICN flights, May

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

Return flights

03 May - 14 May Frontier Airlines
06 May - 13 May Frontier Airlines
09 May - 30 May Frontier Airlines
09 May - 22 May Frontier Airlines
06 May - 23 Jun Frontier Airlines
09 May - 21 May Spirit Airlines
15 May - 28 May Frontier Airlines
05 May - 01 Jun Frontier Airlines
16 May - 31 May Frontier Airlines
09 May - 18 May WestJet
15 May - 07 Jun Frontier Airlines
12 May - 26 May WestJet
31 May - 07 Jun WestJet
21 May - 28 May WestJet
20 May - 03 Jun Frontier Airlines
26 May - 16 Jun Air Canada
22 May - 24 Jun Frontier Airlines
26 May - 15 Jun WestJet
05 May - 01 Jun Delta direct
30 May - 06 Jun Air Canada

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

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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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