SFO - SIN

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

1 adult
1 adult, Economy, 0 bags

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
C$ 1,063
Typical prices: C$ 974-C$ 1,714
Singapore Airlines
Sun 28/1Thu 15/2
SFO - SIN • Direct
Cheapest one-way flights
C$ 597
Typical prices: C$ 486-C$ 993
Asiana Airlines
Sun 29/4
SFO - SIN • 1 stop
Direct flights
You can fly direct with Singapore Airlines and United Airlines. Average duration is 17h 29m
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 travellers who book at least 26 weeks in advance save around 45% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 17% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg C$ 948 (round-trip)
Shortest trip • 20h 03m (one-way)
Insights
Insights
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Singapore!
Flight Deals
Booking Insights
Flight Deals

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

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

Recent round-trip flight deals from San Francisco to Singapore

Thu, 28 Jan - Mon, 15 Feb
Singapore Airlines Logo
9:40 a.m. - 7:05 p.m.SFO  San Francisco-SIN Singapore Changi
17h 25mdirect
Singapore Airlines Logo
9:05 a.m. - 7:50 a.m.SIN  Singapore Changi-SFO San Francisco
14h 45mdirect
C$ 1,063Singapore Airlines
3+ days ago
Thu, 14 Jan - Wed, 24 Feb
China Southern Logo
11:35 p.m. - 11:00 p.m.SFO  San Francisco-SIN Singapore Changi
31h 25m2 stops Wuhan Guangzhou Baiyun
China Southern Logo
3:55 a.m. - 7:40 p.m.SIN  Singapore Changi-SFO San Francisco
31h 45m2 stops Guangzhou Baiyun Wuhan
C$ 1,144China Southern
3+ days ago
Thu, 25 Mar - Tue, 30 Mar
Vietnam Airlines Logo
10:10 p.m. - 12:05 p.m.SFO  San Francisco-SIN Singapore Changi
22h 55m1 stop Ho Chi Minh City
Vietnam Airlines Logo
6:25 p.m. - 5:55 p.m.SIN  Singapore Changi-SFO San Francisco
38h 30m1 stop Ho Chi Minh City
C$ 1,192Vietnam Airlines
3+ days ago
Wed, 24 Mar - Tue, 30 Mar
Vietnam Airlines Logo
10:10 p.m. - 5:15 p.m.SFO  San Francisco-SIN Singapore Changi
28h 05m1 stop Ho Chi Minh City
Vietnam Airlines Logo
9:00 p.m. - 5:55 p.m.SIN  Singapore Changi-SFO San Francisco
35h 55m1 stop Ho Chi Minh City
C$ 1,192Vietnam Airlines
3+ days ago
Wed, 3 Mar - Tue, 16 Mar
Vietnam Airlines Logo
9:10 p.m. - 12:05 p.m.SFO  San Francisco-SIN Singapore Changi
22h 55m1 stop Ho Chi Minh City
Vietnam Airlines Logo
8:45 p.m. - 6:00 p.m.SIN  Singapore Changi-SFO San Francisco
36h 15m1 stop Ho Chi Minh City
C$ 1,192Vietnam Airlines
3+ days ago
Thu, 1 Apr - Tue, 27 Apr
Vietnam Airlines Logo
10:50 p.m. - 8:00 p.m.SFO  San Francisco-SIN Singapore Changi
30h 10m1 stop Ho Chi Minh City
Vietnam Airlines Logo
6:25 p.m. - 5:55 p.m.SIN  Singapore Changi-SFO San Francisco
38h 30m1 stop Ho Chi Minh City
C$ 1,196Vietnam Airlines
3 hours ago
Wed, 31 Mar - Tue, 13 Apr
Vietnam Airlines Logo
10:50 p.m. - 8:00 p.m.SFO  San Francisco-SIN Singapore Changi
30h 10m1 stop Ho Chi Minh City
Vietnam Airlines Logo
9:00 p.m. - 5:55 p.m.SIN  Singapore Changi-SFO San Francisco
35h 55m1 stop Ho Chi Minh City
C$ 1,196Vietnam Airlines
2 hours ago
Wed, 31 Mar - Wed, 14 Apr
Vietnam Airlines Logo
10:50 p.m. - 5:25 p.m.SFO  San Francisco-SIN Singapore Changi
27h 35m1 stop Ho Chi Minh City
Vietnam Airlines Logo
9:00 p.m. - 5:55 p.m.SIN  Singapore Changi-SFO San Francisco
35h 55m1 stop Ho Chi Minh City
C$ 1,196Vietnam Airlines
2 hours ago
Wed, 7 Apr - Tue, 27 Apr
Vietnam Airlines Logo
10:50 p.m. - 5:25 p.m.SFO  San Francisco-SIN Singapore Changi
27h 35m1 stop Ho Chi Minh City
Vietnam Airlines Logo
9:00 p.m. - 5:55 p.m.SIN  Singapore Changi-SFO San Francisco
35h 55m1 stop Ho Chi Minh City
C$ 1,197Vietnam Airlines
3+ days ago
Sun, 4 Apr - Sat, 1 May
Singapore Airlines Logo
10:25 p.m. - 5:30 a.m.SFO  San Francisco-SIN Singapore Changi
16h 05mdirect
Singapore Airlines Logo
9:15 a.m. - 9:50 a.m.SIN  Singapore Changi-SFO San Francisco
15h 35mdirect
C$ 1,203Singapore Airlines
3+ days ago
Booking Insights

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

Round-trip flights from San Francisco to Singapore typically range from C$ 974 to C$ 1,714. The lowest price found in the past 5 days was C$ 1,063, on Singapore Airlines.

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

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from San Francisco to Singapore. It's 10% cheaper than the average day, while Friday is the most expensive, with prices 24% higher.

What is the cheapest month to fly from San Francisco to Singapore?

•August and September are the cheapest months to fly from San Francisco to Singapore at C$ 973 round-trip.
•December (C$ 2,053) and July (C$ 1,873) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 110% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from San Francisco to Singapore the cheapest?

Flights from San Francisco to Singapore are cheapest 26 weeks before departure. Booking in this window typically costs about 45% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for San Francisco to Singapore flights

Low season

August

Cheapest flight

C$ 597
Beat the crowds with an average 23% drop in traveller numbers.
The most popular month to fly with an average 35% increase in traveller numbers.
One-way flight from San Francisco to Singapore

When to book flights from San Francisco to Singapore

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

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

Insights shared by verified travellers who flew the route from San Francisco to Singapore 
Verified travelerFlew with Singapore Airlines-Jun 2026
Always book directly with the airlines and avoid aggregators and agents
ClaudiaFlew with United Airlines-Jun 2026
Please be careful: 1,5 hrs for transfer in San Francisco might not be enough time in the future
Verified travelerFlew with Singapore Airlines-Jan 2024
The Singapore Changi airport if huge. After getting of the aircraft, the walk to immigration control was long. Once you get to the control area, the process was quick and easy.

Your San Francisco to Singapore 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 San Francisco to Singapore?

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

    • Earliest: departs at 9:40 am and lands at 3:09 am
    • Latest: departs at 10:40 pm and lands at 4:09 pm.

    The flight takes about 17h 29m.

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

    Only Economy Class is available on flights from San Francisco to Singapore.

  • How long does a flight from San Francisco to Singapore take?

    A direct flight from San Francisco to Singapore takes 17h 29m, covering 21,841 km.

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

    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 San Francisco to Singapore flight?

    Round-trip flights from San Francisco to Singapore range from C$ 974 to C$ 1,714, with an average of C$ 1,178 over the past 12 months. Anything below C$ 974 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 35% above the C$ 1,178 route average. Book 26 weeks before departure for the lowest fares.

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

    On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 948 round-trip via Beijing Capital (PEK), compared to C$ 1,163 for direct.

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

    The Airbus A350-900 family is used most often on this route, operated mainly by Singapore Airlines and Philippine Airlines. Other aircraft seen on the route include Boeing 777-300ER variants.

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

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

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

    One-way fares from San Francisco to Singapore are currently higher than usual. Average one-way flight prices are about C$ 704, which is 6% above the typical average for this route.

  • What car rental options are available at Singapore Changi Airport (SIN)?

    Singapore Changi Airport (SIN) hosts 5 major car rental companies, with daily rates averaging C$ 149 for economy cars. Top options include:

    • Avis
    • Sixt
    • Thrifty
    • Hertz
    • Europcar

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

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

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

    Evening flights have the fewest delays on this route, while morning departures tend to have the most.

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

    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 San Francisco to Singapore route, 17% of flights were delayed in the past three months, with delays averaging 2h 28m.

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

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

    • Incheon Intl (ICN) – 34% of one-stop connections
    • Taipei City Taiwan Taoyuan Intl (TPE) – 23% of one-stop connections
    • Hong Kong Intl (HKG) – 14% of one-stop connections
    • Vancouver Intl (YVR) – 11% of one-stop connections

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

    Yes. Flexible dates can save you up to 28% on flights from San Francisco to Singapore. Wednesday is the cheapest departure day at C$ 1,070 round-trip on average, while Friday is the most expensive at C$ 1,469, a difference of C$ 399.

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

  • Which airlines fly from San Francisco to Singapore?

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

    • Singapore Airlines
    • United Airlines

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

    Flying via Hong Kong Intl (HKG) gives the shortest average 1-stop total travel time at 20h 03m, compared with 20h 03m via Los Angeles (LAX) and 20h 10m via Tokyo Narita (NRT).

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

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

  • Which popular places can I visit in Singapore?

    Some of the most popular sights in Singapore are Sentosa, Singapore Expo, and Universal Studios Singapore. These are among the most viewed places in Singapore on KAYAK.

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

    Among airlines operating San Francisco to Singapore flights:

    • Singapore Airlines: offers free seat selection
    • United Airlines: offers extra legroom; offers free seat selection
    • Air India: offers free seat selection
    • Asiana 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 San Francisco to Singapore flights?

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

    • Singapore Airlines: a carry-on bag and a checked bag in Economy Class
    • United Airlines: a carry-on bag and a checked bag in Economy Class
    • EVA Air: a carry-on 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.

  • Are there any nonstop flights between San Francisco and Changi International Airport?

    There is a nonstop flight between these two airports that Singapore airlines offers to travelers on this route.

  • What is a good choice for a hotel that has a location near Changi International Airport?

    There are actually a couple of hotel choices that have locations right on the airport property. The Yotelair Singapore Changi Airport and the Ambassador Transit Lounge Singapore T2 can be found at the airport for your convenience.

  • Are there public transportation options to get from Changi Airport to the center of the city?

    There are several public buses that can take you from the airport to a number of locations throughout the city. Bus numbers 24, 27, 34, 36, 53, 110, and 858 can be found operating from Terminals 1, 2, and 3. Bus routes 24, 34, 36, and 110 also make stops at Terminal 4. Fares range from around S$1 ($0.75) to S$2 ($1.50) depending on the distance you are traveling.

  • Is there a good public transportation option to get from downtown San Francisco to San Francisco International Airport?

    Perhaps the best way to get to the airport is through the city's highly efficient Bay Area Rapid Transit (BART) Rapid Rail service. The train station sits on the Departures Level of the International Terminal and the fare to ride the train is around $10.

Your guide to booking San Francisco to Singapore 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 Friday. On this route, Wednesday flights average C$ 1,070, about C$ 399 less than Friday fares (27% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 26 weeks before you fly. On this route, that window historically saves about 45% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your San Francisco to Singapore trip for August. Fares historically average C$ 973 round-trip in that month – typically C$ 1,080 less than the most expensive month, which is December (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 San Francisco to Singapore arrived on time, slightly above the route average of 83%. When flights on this route arrive late, they're delayed by an average of 2h 28m, 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 Beijing Capital Airport (PEK) can be cheaper than flying direct. The cheapest layover option averages C$ 948 round-trip on this route – about C$ 215 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 Singapore Changi Airport.

    • Crowne Plaza Changi Airport by IHG
    • Changi Transit Hotel Terminal 1
    • The Haven by Jetquay
  • An amazing feature of the Changi Airport that you'll notice upon your arrival is the Arrival Garden that's located on Level One at Terminal 1. This garden has all manner of natural greenery and one of these exhibits actually emulates a dragonfly habitat.
  • If you plan on driving yourself to San Francisco International Airport before your flight to Singapore, you'll be happy to know that the airport offers 2 international garages where you can park your car. The rate to park in the garage is around $36 per day.
  • If you have just arrived in Singapore and want to store some of your bags, the airport offers a baggage storage solution. The rates vary from around S$7 ($5) to S$24 ($18) per item per day based on the item size. The service is available 24/7.
  • If you are bringing the kids along on your trip to Singapore, San Francisco International Airport has 3 different Kids'Spot locations that feature interactive exhibits for children to explore while waiting for their flight. These areas sit in Terminal 3 by both the E and F gates as well as in Terminal 2 by the D gates.
  • The Changi Airport offers several amenities for travelers with disabilities. These include an accessible changing room that has a location in Terminal 3, Basement 2, and hearing enhancement systems found at the information counters located in the airport.
  • If you're looking for something to do before your flight to Singapore, San Francisco International Airport offers several SFO Museum Exhibits that present a number of different works that highlight art, culture, science, and historical topics. There are two of these exhibits in both Terminal 2 and Terminal 3.

Prefer to fly direct from San Francisco to Singapore?

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

Direct departures

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 nonstop flights

Direct returns

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 nonstop flights

More options for your flight from San Francisco to Singapore

Complete your trip to Singapore with a hotel stay or car rental