Cheapest return flights from Houston to Seoul in April from $841

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

Return flights

21 Apr - 28 Apr Frontier Airlines
18 Apr - 25 Apr Zipair
14 Apr - 19 Apr Frontier Airlines
15 Apr - 14 May Spirit Airlines
08 Apr - 16 Apr WestJet
16 Apr - 03 May Frontier Airlines
13 Apr - 16 Apr Frontier Airlines
02 Apr - 12 Apr Frontier Airlines
03 Apr - 12 Apr Air Canada

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

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