Cheapest return ORD–SIN flights, September

AirHint found the following cheapest return flights from Chicago (ORD) to Singapore (SIN) in September 2026 (see full year).

Return flights

08 Sep - 29 Sep Air Canada
08 Sep - 30 Sep Etihad Airways
08 Sep - 28 Sep Etihad Airways
09 Sep - 29 Sep Etihad Airways
03 Sep - 12 Sep Qatar Airways
02 Sep - 19 Sep Turkish Airlines
08 Sep - 11 Sep Turkish Airlines
03 Sep - 11 Sep Korean Air
04 Sep - 11 Sep Korean Air
02 Sep - 18 Sep United

Also check the deals for one-way flights from Chicago to Singapore in September.

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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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