Cheapest return HOU–ICN flights, April

AirHint found the following cheapest return flights from Houston (HOU) to Seoul (ICN) in April 2026 (see full year).

Return flights

25 Apr - 05 May Zipair
27 Apr - 05 May Zipair
24 Apr - 05 May Zipair
28 Apr - 05 May Frontier Airlines
26 Apr - 05 May Frontier Airlines
27 Apr - 04 May Zipair
24 Apr - 28 Apr Zipair
27 Apr - 02 May Air Canada

Also check the deals for one-way flights from Houston to Seoul in April.

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