Cheapest one-way flights from Houston to Singapore in May from $486

Best time to book flights for Houston (IAH) to Singapore (SIN) flights at AirHint

AirHint found the following cheapest one-way flights from Houston (IAH) to Singapore (SIN) in May 2025 (see full year).

One-Way flights

12 May Zipair
02 May Spirit Airlines
13 May Air Canada
25 May Spirit Airlines
26 May United
24 May United
24 May Singapore Airlines direct

Also check the deals for return flights from Houston to Singapore in May.

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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