AirHint found the following cheapest return flights from Oakland (OAK) to Singapore (SIN) in January 2026 (see full year).

Return flights

14 Jan - 21 Jan	Japan Airlines
12 Jan - 15 Jan	Japan Airlines
29 Jan - 02 Feb	Japan Airlines
19 Jan - 30 Jan	Japan Airlines
22 Jan - 26 Jan	Japan Airlines
27 Jan - 06 Feb	Japan Airlines
15 Jan - 22 Jan	Japan Airlines
19 Jan - 17 Feb	EVA Air
16 Jan - 26 Jan	Japan Airlines
23 Jan - 30 Jan	EVA Air
19 Jan - 31 Jan	Qatar Airways
25 Jan - 17 Feb	Qatar Airways
08 Jan - 26 Jan	Qatar Airways
11 Jan - 27 Feb	Japan Airlines
08 Jan - 15 Jan	Japan Airlines
02 Jan - 05 Feb	Japan Airlines

Also check the deals for one-way flights from Oakland to Singapore in January.

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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Cheapest return flights from Oakland to Singapore in January from $807

Return flights