Cheapest return flights from Oakland to Singapore in May from $759

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

Return flights

11 May - 18 May Korean Air
13 May - 26 May Korean Air
09 May - 25 May Alaska Airlines
03 May - 11 May Qatar Airways
13 May - 30 May Korean Air
17 May - 26 May Korean Air
15 May - 28 May Qatar Airways
15 May - 21 May Qatar Airways
21 May - 02 Jun Korean Air
15 May - 27 May Korean Air

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

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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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