$468 Find Cheap Flights from Singapore to San Francisco - Compare and Save

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.

Among airlines operating Singapore to San Francisco flights:

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

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

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

• United Airlines
• Singapore Airlines

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

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

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

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

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

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

On this route, nonstop and layover fares are close on average, with nonstop at $906 round-trip and layover options via Hong Kong Intl (HKG) at $886.

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

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

• Taipei City Taiwan Taoyuan Intl (TPE) - 47% of one-stop connections
• Hong Kong Intl (HKG) - 29% of one-stop connections
• Tokyo Narita (NRT) - 10% of one-stop connections
• Incheon Intl (ICN) - 6% of one-stop connections

Taipei City Taiwan Taoyuan Intl (TPE) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 16% on the Singapore to San Francisco route. Wednesday is the cheapest departure day at $842 round-trip on average, while Sunday is the most expensive at $997, a difference of $155. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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, 19% of flights were delayed in the past 3 months, with delays averaging 2 hours 27 minutes.

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

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

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

• Earliest: departs at 8:45 am and lands at 11:57 pm
• Latest: departs at 10:20 pm and lands at 1:32 pm.

The flight takes about 15h 12m.

Last-minute fares on this route - booked within 2 weeks of departure - run 15% above the route average of $908. Book 25 weeks before departure for the lowest fares.

A nonstop flight from Singapore to San Francisco takes 15h 12m, covering 8,433 miles.

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.

One-way fares from Singapore to San Francisco are currently in line with typical prices for this route. Average one-way fares are about $574.

Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Tokyo Narita (NRT) gives the shortest average 1-stop total travel time at 19h 37m, compared with 20h 26m via Vancouver Intl (YVR) and 20h 35m 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.

San Francisco Airport (SFO) hosts 5 major car rental companies, with daily rates starting from around $15 for economy cars. Top options include:
• Thrifty
• Europcar
• Dollar
• Hertz
• Fox

Round-trip flights from Singapore to San Francisco range from $764 to $1,073, with an average of $908 over the past 12 months. Anything below $764 counts as a good deal.