Cheapest return flights from Houston to Singapore in September from $794

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

Return flights

10 Sep - 24 Sep Spirit Airlines
09 Sep - 02 Oct Turkish Airlines
05 Sep - 10 Sep Spirit Airlines
12 Sep - 16 Sep Air Canada
15 Sep - 22 Sep Zipair
07 Sep - 11 Sep Turkish Airlines
17 Sep - 02 Oct Air Canada
09 Sep - 12 Sep EVA Air
08 Sep - 11 Sep Air Canada
08 Sep - 12 Sep Air Canada
09 Sep - 13 Sep Hawaiian Airlines

Also check the deals for one-way flights from Houston to Singapore 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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