Cheap flights from Singapore to San Francisco

Changi
SIN
San Francisco
SFO

Flight deals from Singapore to San Francisco

Below you can see the best deals on flights Singapore — San Francisco for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 6 October, from $451.

Top 10 cheap flights from Singapore to San Francisco

UA
$ 481

Singapore — San Francisco

20:35—21:05
22 Sep 2026
15 h 30 m
Direct flight
UA
$ 481

Singapore — San Francisco

08:45—09:15
22 Sep 2026
15 h 30 m
Direct flight
UA
$ 481

Singapore — San Francisco

08:45—09:15
17 Sep 2026
15 h 30 m
Direct flight
UA
$ 481

Singapore — San Francisco

20:35—21:05
17 Sep 2026
15 h 30 m
Direct flight
UA
$ 481

Singapore — San Francisco

20:35—21:05
16 Sep 2026
15 h 30 m
Direct flight
UA
$ 481

Singapore — San Francisco

08:45—09:15
15 Sep 2026
15 h 30 m
Direct flight
UA
$ 481

Singapore — San Francisco

20:35—21:05
15 Sep 2026
15 h 30 m
Direct flight
UA
$ 481

Singapore — San Francisco

08:45—09:15
25 Sep 2026
15 h 30 m
Direct flight
UA
$ 481

Singapore — San Francisco

20:35—21:05
23 Sep 2026
15 h 30 m
Direct flight
UA
$ 481

Singapore — San Francisco

08:45—09:15
23 Sep 2026
15 h 30 m
Direct flight

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Singapore — San Francisco flight

Looking for cheap flights from Singapore to San Francisco? Compare fares from different airlines, check the flight schedule and travel time — and book your Singapore — San Francisco ticket online at the best price.

The route has direct flights — around 53 flights per week, flights are operated by United Airlines, Singapore Airlines, a nonstop flight takes about 15 h 45 min, the distance between the cities is around 13,594 km.

Planning your trip? You may find our San Francisco travel guide, how to get from the airport into town and San Francisco weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $426Min. price
NovemberCheapest
FebruaryPeak season
YesDirect flights
13,594 kmDistance
15 h 45 minTravel time
2Airlines
53 / wkFlights

Flight schedule from Singapore to San Francisco

The table shows direct flights from Singapore to San Francisco on the selected date. The flight takes approximately 15 h 45 min. Regular flights are operated by United Airlines and Singapore Airlines. Departures from Changi International Airport airports, arrivals at San Francisco International Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 25 Aug 2026

Flight ticket prices by day: Singapore — San Francisco

Below is a calendar of the lowest flight ticket prices for Singapore — San Francisco by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $426 in November, and the most expensive are around $645 in February. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Singapore to San Francisco by month. Tickets are usually cheapest in February (around $660) and priciest in July (about $960) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$756mediumMay$780mediumSep$744medium
Feb$660lowJun$900highOct$696low
Mar$684lowJul$960highNov$720medium
Apr$720mediumAug$924highDec$936high

Some values are estimated based on seasonality.

When to fly

Weather in San Francisco: it is warmest in September (up to 24 °C on average) and coolest in January (around 14 °C). The driest month is June.

Tickets are usually cheapest in November and most expensive in February. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · San Francisco

Dry and wet days · San Francisco

Wind speed and direction · San Francisco

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How to get the best deal on a Singapore — San Francisco ticket

  • Book ahead: fares for Singapore — San Francisco are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • The cheapest month to fly to San Francisco is usually November — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Singapore — San Francisco route are operated by 2 airlines; United Airlines runs the most flights (around 53% of all flights). Compare carriers, flight shares and schedules below.

  • United AirlinesUA
    9x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight SIN → SFO9x/week
      Duration
      15h 45m
      Days
      MTWTFSS
    52.8%Open →
  • Singapore AirlinesSQ
    8x/week
    WebsiteFleet: 16325M pax/year
    • Direct flight SIN → SFO8x/week
      Duration
      15h 45m
      Days
      MTWTFSS
    47.2%Open →

Cities and airports on the Singapore — San Francisco route

Flights Singapore — San Francisco depart from Changi International Airport and arrive at San Francisco International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Singapore

SIN
Singapore
About the cityHow to get thereWeatherAll about the country Singapore
Arrival

San Francisco

SFO
United States
About the cityHow to get thereWeatherAll about the country United States
Departure airports
Arrival airports

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Frequently asked questions about the Singapore — San Francisco flight

How long is the flight from Singapore to San Francisco?

A nonstop Singapore — San Francisco flight takes about 15 h 45 min — the distance between the cities is around 13,594 km.

How far is it from Singapore to San Francisco?

The distance from Singapore to San Francisco is about 13,594 km, which a nonstop flight covers in around 15 h 45 min.

Are there direct flights from Singapore to San Francisco?

Yes, there are nonstop flights Singapore — San Francisco — around 53 flights per week.

Which airlines fly from Singapore to San Francisco?

Airlines operating Singapore — San Francisco include United Airlines, Singapore Airlines. See the full list with schedules in the "Airlines" section on this page.

Which airports do Singapore — San Francisco flights use?

Flights from Singapore depart from Changi International Airport, and arrive at San Francisco International Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Singapore to San Francisco?

The price of a Singapore — San Francisco ticket depends on your travel date, season and demand: it is usually cheapest to fly in November, and most expensive in February. Tickets typically cost between $426 and $645. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Singapore — San Francisco?

Flights Singapore — San Francisco are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is November. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Singapore to San Francisco?

To catch a low fare Singapore — San Francisco, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually November.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Singapore

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Kuala LumpurJakartaBangkokDenpasarManilaHo Chi Minh CityTokyoGeorge TownShanghaiMelbourneHong KongSydneyPhuketSeoulPerthChennaiBeijingTaipeiLondonKoh SamuiHanoiMumbaiBrisbaneTiruchirappalliGuangzhouDa NangBengaluruShenzhenDelhiYangonSurabayaKota KinabaluDubaiOsakaCebu CityColomboChongqingDhakaMedanChengdu

Where else you can fly from San Francisco

See all
Los AngelesNew York CitySeattleSan DiegoSanta AnaLas VegasBurbankBostonVancouverPhoenixPortlandLondonDenverPalm SpringsHonoluluDallasChicagoSalt Lake CityAustinAtlantaWashington, D.C.HoustonKahuluiTaipeiMinneapolisTorontoDetroitOrlandoSpokaneTokyoParisBoiseKapaaSan Jose del CaboPuerto VallartaRedmondSeoulFrankfurt am MainCalgaryMexico City

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