SIN - SFO

£351 Find Cheap Flights from Singapore to San Francisco – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
£561
Typical prices: £608-£820
United Airlines
Tue 25/12Sat 13/1
SIN - SFO • Direct
Cheapest one-way flight
£351
Typical prices: £371-£609
United Airlines
Tue 25/12
SIN - SFO • Direct
Advice from real travellers
Singapore Airlines offers free Wi-Fi with KrisFlyer signup on this long-haul route.
For comfort, pack a sweater; request rear seats if restroom access matters.
Expert advice
+1
Expert advice
+1
Direct flights
You can fly direct with Singapore Airlines and United 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 travellers 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 stopover airports
Cheapest • Avg £619 (return)
Shortest trip • 19h 39m (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 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 return flight deals from Singapore to San Francisco

Fri, 25 Dec - Wed, 13 Jan
United Airlines Logo
10:10 - 09:10SIN  Singapore Changi-SFO San Francisco
15h 00mdirect
United Airlines Logo
10:35 - 20:15SFO  San Francisco-SIN Singapore Changi
17h 40mdirect
£561United Airlines
Wed, 31 Mar - Tue, 13 Apr
United Airlines Logo
09:00 - 09:10SIN  Singapore Changi-SFO San Francisco
15h 10mdirect
United Airlines Logo
10:20 - 18:35SFO  San Francisco-SIN Singapore Changi
17h 15mdirect
£571United Airlines
Wed, 31 Mar - Mon, 12 Apr
United Airlines Logo
20:35 - 20:45SIN  Singapore Changi-SFO San Francisco
15h 10mdirect
United Airlines Logo
22:40 - 06:45SFO  San Francisco-SIN Singapore Changi
17h 05mdirect
£571United Airlines
Wed, 31 Mar - Sun, 11 Apr
United Airlines Logo
09:00 - 09:10SIN  Singapore Changi-SFO San Francisco
15h 10mdirect
United Airlines Logo
10:20 - 18:35SFO  San Francisco-SIN Singapore Changi
17h 15mdirect
£571United Airlines
Wed, 31 Mar - Tue, 13 Apr
United Airlines Logo
09:00 - 09:10SIN  Singapore Changi-SFO San Francisco
15h 10mdirect
United Airlines Logo
22:40 - 06:45SFO  San Francisco-SIN Singapore Changi
17h 05mdirect
£572United Airlines
Thu, 4 Mar - Tue, 16 Mar
United Airlines Logo
10:10 - 09:00SIN  Singapore Changi-SFO San Francisco
14h 50mdirect
United Airlines Logo
11:35 - 20:15SFO  San Francisco-SIN Singapore Changi
17h 40mdirect
£572United Airlines
Wed, 31 Mar - Mon, 12 Apr
United Airlines Logo
20:35 - 20:45SIN  Singapore Changi-SFO San Francisco
15h 10mdirect
United Airlines Logo
10:20 - 18:35SFO  San Francisco-SIN Singapore Changi
17h 15mdirect
£572United Airlines
Wed, 31 Mar - Sun, 11 Apr
United Airlines Logo
09:00 - 09:10SIN  Singapore Changi-SFO San Francisco
15h 10mdirect
United Airlines Logo
10:20 - 18:35SFO  San Francisco-SIN Singapore Changi
17h 15mdirect
£572United Airlines
Tue, 10 Nov - Wed, 25 Nov
Korean Air Logo
01:40 - 09:35SIN  Singapore Changi-SFO San Francisco
23h 55m1 stop Incheon Intl
Korean Air Logo
11:45 - 05:00SFO  San Francisco-SIN Singapore Changi
25h 15m1 stop Incheon Intl
£576Korean Air
Mon, 22 Mar - Tue, 27 Apr
Singapore Airlines Logo
09:05 - 08:50SIN  Singapore Changi-SFO San Francisco
14h 45mdirect
Singapore Airlines Logo
11:45 - 19:10SFO  San Francisco-SIN Singapore Changi
16h 25mdirect
£577Singapore Airlines
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 return flight from Singapore to San Francisco?

Return flights from Singapore to San Francisco typically range from £608 to £820. The lowest price found in the past 5 days was £561 on United Airlines.

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

•February is the cheapest month to fly from Singapore to San Francisco at £519 return.
•August (£805) and July (£798) 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
Chris Dong

Chris Dong

Expert on Singapore Airlines

Chris is a consumer travel reporter covering aviation, trending travel news, hotels, and loyalty programmes – 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.

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 out at sea, likely en route to Antarctica or the Arctic.

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 travelled to more than 50 countries across six continents.

Blane Bachelor

Blane Bachelor

Expert on SFO

Blane Bachelor is a journalist and editor specialising 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 favourite 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.

Key details for Singapore to San Francisco flights

Low season

September

Cheapest flight

£351
Beat the crowds with an average 48% drop in traveller numbers.
The most popular month to fly with an average 43% increase in traveller numbers.
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 return price

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

Insights shared by verified travellers 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 09:05 and lands at 23:56
    • Latest: departs at 22:20 and lands at 13:11.

    The flight takes about 14h 51m.

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

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

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

    A direct 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?

    Return flights from Singapore to San Francisco range from £608 to £820, with an average of £703 over the past 12 months. Anything below £608 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 £703 route average. Book 23 weeks before departure for the lowest fares.

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

    On this route, stopover flights are cheaper than direct options on average. Stopover fares average £619 return via Vancouver Intl (YVR), compared with £702 for direct.

  • 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% 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 lower than usual. Average one-way flight prices are about £369, which is 16% below the typical average for this route.

  • Which car hire options are available at San Francisco Airport (SFO)?

    San Francisco Airport (SFO) hosts 5 major car hire companies, with daily rates starting from around £47 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 on the route 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 three 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 £671 return on average, while Sunday is the most expensive at £738, a difference of £67.

    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 Singapore to San Francisco?

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

    • Singapore Airlines
    • United Airlines

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

    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).

  • 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 Union Square, Fisherman's Wharf, 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

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

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 £671, about £67 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 £519 return in that month – typically £286 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 stopover option averages £619 return on this route – about £83 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

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 hire