Cheapest return flights from Oakland to Singapore in April from $875

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

Return flights

15 Apr - 22 Apr Korean Air
07 Apr - 22 Apr Korean Air
01 Apr - 20 Apr Korean Air
06 Apr - 30 Apr Qatar Airways
01 Apr - 08 Apr Korean Air
10 Apr - 19 Apr Qatar Airways
17 Apr - 25 Apr Korean Air
19 Apr - 24 Apr Korean Air
11 Apr - 25 Apr Korean Air
03 Apr - 12 Apr Qatar Airways
04 Apr - 02 May Korean Air

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

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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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