Cheapest return flights from Houston to Singapore in May from 948€

AirHint found the following cheapest return flights from Houston (IAH) to Singapore (SIN) in May 2026 (see full year).

Return flights

04 May - 12 May Frontier Airlines
07 May - 21 May Air Canada
10 May - 26 May Qatar Airways
30 May - 04 Jun Air Canada
18 May - 22 May Frontier Airlines
23 May - 30 May WestJet
20 May - 23 May Frontier Airlines
16 May - 25 May Frontier Airlines
13 May - 25 May United

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

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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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