Cheapest one-way flights from Chicago to Singapore in October from $468

AirHint found the following cheapest one-way flights from Chicago (ORD) to Singapore (SIN) in October 2025 (see full year).

One-Way flights

16 Oct Air India
03 Oct Air India
02 Oct Air India
20 Oct Korean Air
28 Oct Korean Air
22 Oct Air India
18 Oct Turkish Airlines
23 Oct Turkish Airlines
15 Oct Turkish Airlines

Also check the deals for return flights from Chicago to Singapore in October.

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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