Cheapest return flights from Chicago to Singapore in December from $1242

AirHint found the following cheapest return flights from Chicago (ORD) to Singapore (SIN) in December 2025 (see full year).

Return flights

30 Dec - 30 Jan Cathay Pacific
14 Dec - 08 Jan Turkish Airlines
22 Dec - 26 Dec Turkish Airlines
28 Dec - 06 Jan Delta
28 Dec - 05 Jan Turkish Airlines
28 Dec - 04 Jan IndiGo
19 Dec - 12 Jan Turkish Airlines
20 Dec - 12 Jan Turkish Airlines
23 Dec - 03 Jan Turkish Airlines
24 Dec - 03 Jan Turkish Airlines
11 Dec - 01 Jan United

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

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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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