AirHint found the following cheapest one-way flights from Chicago (ORD) to Singapore (SIN) in May 2026 (see full year).
One-Way flights
| 12 May | Frontier Airlines | ||
| 10 May | Frontier Airlines | ||
| 09 May | Spirit Airlines | ||
| 11 May | Frontier Airlines | ||
| 18 May | Spirit Airlines | ||
| 08 May | Air India | ||
| 23 May | United | ||
| 30 May | United |
Also check the deals for return flights from Chicago 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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