SIN - SFO

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

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Everything you should know

Cheapest round-trip
$700
Typical prices: $812-$1,094
Air China
Sat 11/10Sun 11/25
SIN - SFO • 1 stop
Cheapest non-stop
$749
Typical prices: $789-$1,117
United Airlines
Tue 12/25Sat 1/13
SIN - SFO • Non-stop
Advice from real travelers
Singapore Airlines includes free Wi-Fi for all passengers on this long-haul route.
Bring a sweater for chilly cabins; ask for rear seats if restroom access matters.
Expert advice
+1
Expert advice
+1
Nonstop flights
You can fly direct with United Airlines and Singapore Airlines. Average duration is 14h 51m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 89% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 23 weeks in advance save around 19% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 26% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $826 (round-trip)
Shortest trip • 19h 39m (one-way)
Insights
Insights
Start a new search
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We hope you love your trip to San Francisco!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Singapore to San Francisco (SIN-SFO)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Singapore to San Francisco

Tue, Nov 10 - Wed, Nov 25
Air China Logo
9:30 am - 9:30 amSIN  Singapore Changi-SFO San Francisco
40h 00m1 stop Beijing Capital
Air China Logo
12:00 pm - 9:55 pmSFO  San Francisco-SIN Singapore Changi
41h 55m1 stop Beijing Capital
$700Air China
Fri, Nov 13 - Sat, Nov 28
Air China Logo
5:45 pm - 9:30 amSIN  Singapore Changi-SFO San Francisco
31h 45m1 stop Beijing Capital
Air China Logo
12:00 pm - 9:55 pmSFO  San Francisco-SIN Singapore Changi
41h 55m1 stop Beijing Capital
$709Air China
Wed, Jan 13 - Mon, Feb 1
Japan Airlines Logo
2:20 am - 10:30 amSIN  Singapore Changi-SFO San Francisco
24h 10m1 stop Tokyo Haneda
Japan Airlines Logo
12:55 pm - 6:40 amSFO  San Francisco-SIN Singapore Changi
25h 45m1 stop Tokyo Haneda
$737Japan Airlines
Wed, Feb 3 - Mon, Feb 8
Japan Airlines Logo
10:25 pm - 10:30 amSIN  Singapore Changi-SFO San Francisco
28h 05m1 stop Tokyo Haneda
Japan Airlines Logo
12:55 pm - 6:40 amSFO  San Francisco-SIN Singapore Changi
25h 45m1 stop Tokyo Haneda
$737Japan Airlines
Fri, Dec 25 - Wed, Jan 13
United Airlines Logo
10:10 am - 9:10 amSIN  Singapore Changi-SFO San Francisco
15h 00mnonstop
United Airlines Logo
10:35 am - 8:15 pmSFO  San Francisco-SIN Singapore Changi
17h 40mnonstop
$749United Airlines
Sun, Jan 31 - Mon, Feb 8
Singapore Airlines Logo
9:05 am - 7:50 amSIN  Singapore Changi-SFO San Francisco
14h 45mnonstop
Singapore Airlines Logo
9:40 am - 7:05 pmSFO  San Francisco-SIN Singapore Changi
17h 25mnonstop
$750Singapore Airlines
Tue, Apr 6 - Tue, Apr 13
Singapore Airlines Logo
9:15 am - 9:50 amSIN  Singapore Changi-SFO San Francisco
15h 35mnonstop
Singapore Airlines Logo
11:45 am - 7:10 pmSFO  San Francisco-SIN Singapore Changi
16h 25mnonstop
$750Singapore Airlines
Wed, Mar 31 - Tue, Apr 13
United Airlines Logo
9:00 am - 9:10 amSIN  Singapore Changi-SFO San Francisco
15h 10mnonstop
United Airlines Logo
10:20 am - 6:35 pmSFO  San Francisco-SIN Singapore Changi
17h 15mnonstop
$762United Airlines
Thu, Dec 3 - Wed, Dec 9
EVA Air Logo
1:15 pm - 6:40 amSIN  Singapore Changi-SFO San Francisco
33h 25m1 stop Taipei City Taiwan Taoyuan Intl
EVA Air Logo
12:00 pm - 12:05 pmSFO  San Francisco-SIN Singapore Changi
32h 05m1 stop Taipei City Taiwan Taoyuan Intl
$1,019EVA Air
Fri, Nov 13 - Sun, Nov 22
EVA Air Logo
1:15 pm - 6:40 amSIN  Singapore Changi-SFO San Francisco
33h 25m1 stop Taipei City Taiwan Taoyuan Intl
EVA Air Logo
11:30 pm - 12:05 pmSFO  San Francisco-SIN Singapore Changi
20h 35m1 stop Taipei City Taiwan Taoyuan Intl
$1,020EVA Air
Booking Insights

Price, demand and travel trends for Singapore to San Francisco flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Singapore to San Francisco?

Round-trip flights from Singapore to San Francisco typically range from $812 to $1,094. The lowest price found in the past 5 days was $700, on Air China.

What's the cheapest day of the week to fly from Singapore to San Francisco?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Singapore to San Francisco. It’s 5% cheaper than the average day, while Sunday is the most expensive, with prices 5% higher.

What’s the cheapest month to fly from Singapore to San Francisco?

•February is the cheapest month to fly from Singapore to San Francisco at $692 round-trip.
•August ($1,074) and July ($1,065) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 55% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Singapore to San Francisco the cheapest?

Flights from Singapore to San Francisco are cheapest 23 weeks before departure. Booking in this window typically costs about 19% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Singapore to San Francisco

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Chris Dong

Chris Dong

Expert on Singapore Airlines

Chris is a consumer travel reporter covering aviation, trending travel news, hotels, and loyalty programs—all for leading global publications like Travel + Leisure, The Washington Post, AFAR, and more. In addition to writing, Chris is a video host for Travel + Leisure, giving consumers an inside look at the latest in air travel.

Jessica Macdonald

Jessica Macdonald

Expert on SIN

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Blane Bachelor

Blane Bachelor

Expert on SFO

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Key details for Singapore to San Francisco flights

Low season

September

Cheapest flight

$468
Beat the crowds with an average 48% drop in travelers.
The most popular month to fly with an average 43% increase in travelers.
One-way flight from Singapore to San Francisco

When to book flights from Singapore to San Francisco

Are your dates flexible? Find out the best times to travel from Singapore to San Francisco based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Flights from Singapore to San Francisco: the best tips from KAYAK users' own experiences

Insights shared by verified travelers who flew the route from Singapore to San Francisco 
Verified travelerFlew with United Airlines-Dec 2024
Book flight paths with only 2 flights rather than 3
GordonFlew with United Airlines-Apr 2024
Check your all or most of your luggage if you can. Take a small light carry for your must have items with you such as snacks, book and electronics on hand accessible during the flight.
SoukindaFlew with Singapore Airlines-Feb 2024
Bring a sweater, a mask and wear socks. Although they provided a blanket, it’s very chilly on a long flight. I caught a nasty cold from the flight and wasn’t masked up. Other than that our flight was great and comfortable.
SoukindaFlew with Singapore Airlines-Feb 2024
If you are flying with an elderly parent that needs to be near restroom, have an agent place you in the back. They will take care of you.

Your Singapore to San Francisco flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Singapore to San Francisco?

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

    • Earliest: departs at 9:05 am and lands at 11:56 pm
    • Latest: departs at 10:20 pm and lands at 1:11 pm.

    The flight takes about 14h 51m.

  • What cabin classes can I book on flights from Singapore to San Francisco?

    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.

  • How long is a flight from Singapore to San Francisco?

    A nonstop flight from Singapore to San Francisco takes 14h 51m, covering 8,433 miles.

  • Do I need a passport to fly from Singapore to San Francisco?

    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.

  • How much should I expect to pay for a Singapore to San Francisco flight?

    Round-trip flights from Singapore to San Francisco range from $812 to $1,094, with an average of $938 over the past 12 months. Anything below $812 counts as a good deal.

  • How expensive are last-minute Singapore to San Francisco flights?

    Last-minute fares on this route (booked within two weeks of departure) run 11% above the $938 route average. Book 23 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Singapore to San Francisco?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $826 round-trip via Vancouver Intl (YVR), compared to $936 for nonstop.

  • Which aircraft model is used most often on flights from Singapore to San Francisco?

    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.

  • How are flight departures from Singapore to San Francisco spread across the day?

    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%.

  • How are flight prices from Singapore to San Francisco looking right now?

    One-way fares from Singapore to San Francisco are currently in line with typical prices for this route. Average one-way fares are about $566.

  • What car rental options are available at San Francisco Airport (SFO)?

    San Francisco Airport (SFO) hosts 5 major car rental companies, with daily rates averaging $63 for economy cars. Top options include:

    • Europcar
    • Thrifty
    • Dollar
    • Hertz
    • Fox

  • Which airports can I use when flying from Singapore to San Francisco?

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

  • What time of day has the fewest delays on flights from Singapore to San Francisco?

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

  • At what point is a flight considered delayed from Singapore to San Francisco?

    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 3 months, with delays averaging 2h 30m.

  • Which airports do connecting flights from Singapore to San Francisco pass through?

    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

  • Can I save money by using flexible dates for flights from Singapore to San Francisco?

    Yes. Flexible dates can save you up to 10% on flights from Singapore to San Francisco. Wednesday is the cheapest departure day at $895 round-trip on average, while Sunday is the most expensive at $985, a difference of $90.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Singapore to San Francisco?

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

    • United Airlines
    • Singapore Airlines

  • How much time can I save by choosing a different layover airport from Singapore to San Francisco?

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

  • What is the time difference between Singapore and San Francisco?

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

  • What popular places can I visit in San Francisco?

    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.

  • Which airlines offer extra legroom and free seat selection on Singapore to San Francisco flights?

    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.

  • Which airlines include bags at no extra cost on Singapore to San Francisco flights?

    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

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

  • Are there any non-stop flights from Singapore to San Francisco?

    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.

  • How do I get from San Francisco Airport to the city?

    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.

Your guide to booking Singapore to San Francisco flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Sunday. On this route, Wednesday flights average $895, about $90 less than Sunday fares (9% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 23 weeks before you fly. On this route, that window historically saves about 19% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Singapore to San Francisco trip for February. Fares historically average $692 round-trip in that month - typically $382 less than the most expensive month, which is August (based on the last 12 months).
  • For the best chance of arriving on time, fly with Singapore Airlines. Over the past three months, 89% of Singapore Airlines flights from Singapore to San Francisco arrived on time, slightly above the route average of 82%. When flights on this route arrive late, they're delayed by an average of 2h 30m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.
  • If you have the time, taking a 1-stop flight through Vancouver Intl Airport (YVR) can be cheaper than flying direct. The cheapest layover option averages $826 round-trip on this route - about $110 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to San Francisco Airport.

    • Grand Hyatt At Sfo
  • The long flight from Changi Singapore Airport (SIN) to San Francisco International Airport (SFO) can get boring for children, so let them spend their energy before boarding the plane. All terminals at Changi Airport feature play areas, or you can head over to the Jewel Changi, a complex adjacent to the airport with various attractions like a Canopy Park or Discovery Slides.
  • If you want to explore San Francisco with a rental car, there are ample options at San Francisco Airport to choose from. Upon landing, take the free AirTrain Blue Line from the terminal to reach the car rental centre. The train operates every 5-15 min, with frequency varying depending on whether it is day or night.
  • Travellers who want to stay close to San Francisco International Airport can choose from a selection of airport hotels such as the Aloft Hotel, Crowne Plaza Burlingame or the Best Western Grosvenor, among many others. Courtesy airport-hotel shuttles transfer passengers to airport hotels with their luggage for a convenient ride.

Prefer to fly direct from Singapore to San Francisco?

 
Find which airlines fly direct from Singapore Changi Airport to San Francisco Airport, which days they fly and book direct flights.

Direct departures

Singapore Changi to San Francisco

Monday

Singapore Airlines,United Airlines

Singapore Airlines,United Airlines

Tuesday

Singapore Airlines,United Airlines

Singapore Airlines,United Airlines

Wednesday

Singapore Airlines,United Airlines

Singapore Airlines,United Airlines

Thursday

Singapore Airlines,United Airlines

Singapore Airlines,United Airlines

Friday

Singapore Airlines,United Airlines

Singapore Airlines,United Airlines

Saturday

Singapore Airlines,United Airlines

Singapore Airlines,United Airlines

Sunday

Singapore Airlines,United Airlines

Singapore Airlines,United Airlines

See more direct flights

Direct returns

San Francisco to Singapore Changi

Monday

Singapore Airlines,United Airlines

Singapore Airlines,United Airlines

Tuesday

Singapore Airlines,United Airlines

Singapore Airlines,United Airlines

Wednesday

Singapore Airlines,United Airlines

Singapore Airlines,United Airlines

Thursday

Singapore Airlines,United Airlines

Singapore Airlines,United Airlines

Friday

Singapore Airlines,United Airlines

Singapore Airlines,United Airlines

Saturday

Singapore Airlines,United Airlines

Singapore Airlines,United Airlines

Sunday

Singapore Airlines,United Airlines

Singapore Airlines,United Airlines

See more direct flights

More options for your flight from Singapore to San Francisco

Complete your trip to San Francisco with a hotel stay or car rental