The cheapest times to fly from SIN to SFO are

  • February 5th to June 17th (except the week of April 2nd)
  • September 24th to November 25th (except the week of November 12th)

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 SIN to SFO is mid October. Prices can be as high as $1383 for Friday flights during early January, or as low as $627 for Monday flights around mid October.


When to Fly to San Francisco

Flying from Singapore (SIN) to San Francisco, CA (SFO) will usually cost between $717 to $1007 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid October with an average ticket price of $715. Due to high demand the most expensive time to fly is early January, with an average price of $1192. Planning your trip to low-cost times can easily save you $477 on economy flights and even more on first-class flights. Generally, any price below $776 can be considered a good price for a round-trip SIN to SFO flight.

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

SIN to SFO Flight Prices

Compared to other flights, the SIN to SFO flight is cheaper than the average and costs less than the average flight leaving from Singapore. The average price per mile (for a direct flight) is $0.06, which is far below average.


Flight Prices by Day of the Week

Monday is usually the cheapest day to fly to SFO, and Tuesday the cheapest day to fly back into SIN. Fridays 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 $101 (12%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Monday and returning a week later will cost an average of $779. Return trip prices are from the SFO to SIN 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 SIN to SFO can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 16 hour 10 minutes may be realistic.


Flight Questions Answered

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

Which airlines fly this route?

You can find 40 major airlines flying this route most often: Air Canada, Air China, Air India, Air New Zealand, Alaska, American, ANA, Asiana, Austrian, British Airways, Cathay Dragon, Cathay Pacific, China Airlines, China Eastern, China Southern, Delta, Emirates, Ethiopian, Etihad, EVA Air, Fiji Airways, Finnair, Hawaiian, JAL, KLM, Korean Air, LOT, Lufthansa, Malaysia Airlines, Philippine Airlines, Qantas, Qatar Airways, Sichuan Airlines, Singapore Airlines, SWISS, THAI, United, Vietnam Airlines, WestJet, Xiamen, and potentially more during busy seasons.

How far away is it from San Francisco International Airport to Singapore Changi International Airport?

The distance between the two airports is roughly 8438 miles or 13580 kilometers.

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

The real-world flight time for a nonstop SIN to SFO flight is about 16 hour 10 minutes.

How many flights go between Singapore and San Francisco, CA?

It depends on the day of the week and the date, but a typical day might have around 89 available flights from SIN to SFO.


Airport Location Info


Departing Airport

Origination code SIN
Origination airport name Singapore Changi International Airport
City Singapore
Country Singapore
Latitude 1.4
Longitude 104

Return Airport

Destination code SFO
Destination airport name San Francisco International Airport
City San Francisco, CA
Country the United States
Latitude 37.6
Longitude -122.4


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.