Cheapest return HOU–ICN flights, May

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

Return flights

07 May - 14 May Frontier Airlines
04 May - 11 May Zipair
13 May - 29 May Spirit Airlines
13 May - 25 May Frontier Airlines
04 May - 22 Jun Zipair
29 May - 12 Jun Frontier Airlines
15 May - 25 May Frontier Airlines
30 May - 11 Jun Frontier Airlines
20 May - 20 Jun Frontier Airlines
13 May - 20 May Air Canada
25 May - 14 Jun Volaris
25 May - 29 May Air Canada
22 May - 25 May Air Canada

Also check the deals for one-way flights from Houston 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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