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

Return flights

04 Mar - 12 Mar	Korean Air
02 Mar - 12 Mar	Korean Air
08 Mar - 15 Mar	Korean Air
10 Mar - 14 Apr	Korean Air
06 Mar - 11 Mar	Korean Air
13 Mar - 16 Mar	Korean Air
06 Mar - 13 Mar	Korean Air
12 Mar - 31 Mar	EVA Air
12 Mar - 19 Mar	EVA Air
03 Mar - 30 Apr	EVA Air
06 Mar - 18 Mar	EVA Air
26 Mar - 05 Apr	Qatar Airways
18 Mar - 29 Mar	Korean Air
14 Mar - 05 Apr	Qatar Airways
18 Mar - 04 Apr	Qatar Airways
30 Mar - 16 Apr	Korean Air
27 Mar - 03 Apr	Korean Air

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

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 March from $765

Return flights