S$ 600 Find Cheap Flights from Singapore to San Francisco – Compare and Save

These are the earliest and latest flight times available from Singapore to San Francisco:

• Earliest: departs at 09:05 and lands at 23:56
• Latest: departs at 22:20 and lands at 13:11.

The flight takes about 14h 51m.

Three cabin classes are available on flights from Singapore to San Francisco:

• Economy class
• Premium Economy Class
• Business Class

A direct flight from Singapore to San Francisco takes 14h 51m, covering 21,841 km.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Return flights from Singapore to San Francisco range from S$ 1,040 to S$ 1,401, with an average of S$ 1,201 over the past 12 months. Anything below S$ 1,040 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 11% above the S$ 1,201 route average. Book 23 weeks before departure for the lowest fares.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average S$ 1,058 return via Vancouver Intl (YVR), compared with S$ 1,199 for direct.

The Boeing 787-9 Dreamliner family is used most often on this route, operated mainly by United Airlines and Air Canada. Other aircraft seen on the route include Airbus A350-900 variants.

Morning is the busiest departure period on Singapore to San Francisco flights, with 50% leaving in that window. Evening departures account for 25%, Night flights for 25%, and Afternoon flights for 0%.

One-way fares from Singapore to San Francisco are currently lower than usual. Average one-way flight prices are about S$ 638, which is 15% below the typical average for this route.

Flights from Singapore to San Francisco usually depart from Singapore Changi (SIN) and arrive at San Francisco (SFO).

Morning flights have the fewest delays on this route, while night departures tend to have the most.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Singapore to San Francisco route, 18% of flights were delayed in the past three months, with delays averaging 2h 30m.

One-stop flights from Singapore to San Francisco most commonly connect through:

• Taipei City Taiwan Taoyuan Intl (TPE) – 52% of one-stop connections
• Hong Kong Intl (HKG) – 24% of one-stop connections
• Tokyo Narita (NRT) – 12% of one-stop connections
• Incheon Intl (ICN) – 5% of one-stop connections

Yes. Flexible dates can save you up to 10% on flights from Singapore to San Francisco. Wednesday is the cheapest departure day at S$ 1,146 return on average, while Sunday is the most expensive at S$ 1,262, a difference of S$ 115.

KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

2 airlines operate flights between Singapore and San Francisco. The airlines offering direct flights on this route include:

• United Airlines
• Singapore Airlines

Flying via Tokyo Narita (NRT) gives the shortest average 1-stop total travel time of 19h 39m, compared to 20h 45m via Taipei City Taiwan Taoyuan Intl (TPE) and 20h 45m via Hong Kong Intl (HKG).

San Francisco is 15 hours behind Singapore (Pacific Time vs Singapore Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in San Francisco are Fisherman's Wharf, InterContinental Mark Hopkins San Francisco, and Moscone Center. These are among the most viewed places in San Francisco on KAYAK.

Among airlines operating Singapore to San Francisco flights:

• United Airlines: offers extra legroom; offers free seat selection
• Singapore Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Economy class
• Singapore Airlines: a cabin bag and a checked bag in Economy class
• ANA: a cabin bag and a checked bag in Economy class

Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

Travellers who want to reduce their travel time and don’t want to bother with transit can opt for flying with United Airlines or Singapore Airlines to enjoy a non-stop flight. The regular check-in for United Airlines is at Terminal 2 at Changi Airport and for Singapore Airlines the check-in usually is at Terminal 2 or 3.

The quickest way to get to San Francisco is by using the BART Rapid Rail that leaves from the airport. The courtesy AirTrain lines bring visitors from their respective terminal to the station where tickets can be purchased for the BART. Prices, depending on the final destination, are S$ 13.50 (≈$10), children under 4 go free. Cheaper fares of $3-4 (S≈$ 4-5.40) apply for the SamTrans buses that leave from the International Terminal and Terminal 2/3.