Cheapest return flights from Houston to Seoul in September from 712€

AirHint found the following cheapest return flights from Houston (IAH) to Seoul (ICN) in September 2025 (see full year).

Return flights

09 Sep - 24 Sep WestJet
10 Sep - 19 Sep WestJet
08 Sep - 19 Sep Frontier Airlines
15 Sep - 24 Sep Frontier Airlines
22 Sep - 30 Sep Frontier Airlines
12 Sep - 05 Oct WestJet
20 Sep - 27 Sep WestJet
19 Sep - 29 Sep Frontier Airlines
19 Sep - 25 Sep Frontier Airlines
19 Sep - 26 Sep Frontier Airlines
08 Sep - 17 Sep Delta
05 Sep - 03 Oct United

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

Skyscanner

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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