AirHint found the following cheapest return flights from Houston (HOU) to Singapore (SIN) in April 2026 (see full year).
Return flights
| 14 Apr - 17 Apr | Frontier Airlines | ||
| 09 Apr - 23 Apr | Air Canada | ||
| 17 Apr - 25 Apr | Air Canada | ||
| 10 Apr - 14 Apr | Turkish Airlines | ||
| 04 Apr - 11 Apr | Qatar Airways |
Also check the deals for one-way flights from Houston to Singapore in April.
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