Cheapest return IAH–ICN flights, August

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

Return flights

05 Aug - 30 Aug Zipair
22 Aug - 28 Aug Zipair
17 Aug - 28 Aug Zipair
12 Aug - 25 Aug Zipair
03 Aug - 26 Aug Zipair
31 Aug - 18 Sep Zipair
15 Aug - 22 Aug Frontier Airlines
24 Aug - 14 Sep WestJet
02 Aug - 20 Aug Frontier Airlines
03 Aug - 12 Aug Zipair
05 Aug - 14 Aug Air Canada

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

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