The cheapest times to fly from OAK to SIN are

  • January 8th to March 11th
  • August 13th to December 9th (except the week of November 19th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from OAK to SIN is mid to late September. Prices can be as high as $3624 for Sunday flights during late July, or as low as $778 for Tuesday flights around mid to late September.


When to Fly to Singapore

Flying from Oakland, CA (OAK) to Singapore (SIN) will usually cost between $783 to $1521 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid to late September with an average ticket price of $810. Due to high demand the most expensive time to fly is late July, with an average price of $2369. Planning your trip to low-cost times can easily save you $1559 on economy flights and even more on first-class flights. Generally, any price below $936 can be considered a good price for a round-trip OAK to SIN flight.

See below for a graph of average weekly prices for the OAK to SIN route. All prices are for round-trip tickets in USD.

OAK to SIN Flight Prices

Compared to other flights, the OAK to SIN flight is priced close to the average and costs less than the average flight leaving from Oakland. The average price per mile (for a direct flight) is $0.07, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $207 (15%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $961. Return trip prices are from the SIN to OAK flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from OAK to SIN can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 16 hour 11 minutes may not be realistic.


Flight Hacking OAK to SIN

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from OAK to SIN — but Champion Traveler does!

Hack #1: Beijing (OAK > PEK > SIN)

  • Price for both tickets: $860
  • Average savings: $75 (8.04%)

See OAK to PEK flights

Hack #2: Los Angeles, CA (OAK > LAX > SIN)

  • Price for both tickets: $891
  • Average savings: $45 (4.76%)

See OAK to LAX flights

Hack #3: Las Vegas, NV (OAK > LAS > SIN)

  • Price for both tickets: $924
  • Average savings: $12 (1.28%)

See OAK to LAS flights


Flight Questions Answered

Still have questions about flying from OAK to SIN? We’ve got answers.

Which airlines fly this route?

You can find 23 major airlines flying this route most often: Air Canada, Alaska, American, ANA, Asiana, British Airways, Cathay Pacific, China Airlines, China Southern, Delta, Emirates, EVA Air, Hawaiian, JAL, JetBlue, KLM, Korean Air, Qantas, Qatar Airways, Singapore Airlines, Turkish Airlines, United, Xiamen, and potentially more during busy seasons.

How far away is it from Singapore Changi International Airport to Metropolitan Oakland International Airport?

The distance between the two airports is roughly 8441 miles or 13584 kilometers.

How long does it take to fly from OAK to SIN?

The real-world flight time for a nonstop OAK to SIN flight is about 16 hour 11 minutes.

How many flights go between Oakland, CA and Singapore?

It depends on the day of the week and the date, but a typical day might have around 72 available flights from OAK to SIN.


Airport Location Info


Departing Airport

Origination codeOAK
Origination airport nameMetropolitan Oakland International Airport
CityOakland, CA
Countrythe United States

Return Airport

Destination codeSIN
Destination airport nameSingapore Changi International Airport


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.