AirHint found the following cheapest one-way flights from Houston (IAH) to Singapore (SIN) in July 2026 (see full year).
One-Way flights
| 31 Jul | Qatar Airways | ||
| 19 Jul | Air Canada | ||
| 03 Jul | WestJet | ||
| 24 Jul | Delta | ||
| 18 Jul | Alaska Airlines |
Also check the deals for return flights from Houston to Singapore in July.
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