Cheap flights from San Francisco to Singapore

San Francisco
SFO
Changi
SIN

Flight deals from San Francisco to Singapore

Below you can see the best deals on flights San Francisco — Singapore 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 30 September, from $334.

Top 10 cheap flights from San Francisco to Singapore

UA
$ 381

San Francisco — Singapore

11:00—18:35
27 Aug 2026
16 h 35 m
Direct flight
UA
$ 381

San Francisco — Singapore

22:40—06:15
16 Sep 2026
16 h 35 m
Direct flight
UA
$ 381

San Francisco — Singapore

10:40—18:35
16 Sep 2026
16 h 55 m
Direct flight
UA
$ 381

San Francisco — Singapore

22:40—06:15
10 Sep 2026
16 h 35 m
Direct flight
UA
$ 381

San Francisco — Singapore

10:40—18:35
10 Sep 2026
16 h 55 m
Direct flight
UA
$ 381

San Francisco — Singapore

22:40—06:15
15 Sep 2026
16 h 35 m
Direct flight
UA
$ 381

San Francisco — Singapore

10:40—18:35
15 Sep 2026
16 h 55 m
Direct flight
UA
$ 381

San Francisco — Singapore

22:50—06:15
6 Sep 2026
16 h 25 m
Direct flight
UA
$ 381

San Francisco — Singapore

11:00—18:35
6 Sep 2026
16 h 35 m
Direct flight
UA
$ 381

San Francisco — Singapore

22:40—06:15
22 Sep 2026
16 h 35 m
Direct flight

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

When is the best time to book a flight from San Francisco to Singapore?

The price of a flight from San Francisco to Singapore changes depending on how far ahead you book. For the best chance of a lower fare, book around 30 days before departure, when the average ticket costs about $575. Fares also tend to climb as the departure date gets closer.

About the San Francisco — Singapore flight

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

The route has direct flights — around 50 flights per week, flights are operated by United Airlines, Singapore Airlines, a nonstop flight takes about 16 h 25 min, the distance between the cities is around 13,594 km.

Planning your trip? You may find our Singapore travel guide, how to get from the airport into town and Singapore 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 $323Min. price
NovemberCheapest
MarchPeak season
YesDirect flights
13,594 kmDistance
16 h 25 minTravel time
2Airlines
50 / wkFlights

Flight schedule from San Francisco to Singapore

The table shows direct flights from San Francisco to Singapore on the selected date. The flight takes approximately 16 h 25 min. Regular flights are operated by United Airlines and Singapore Airlines. Departures from San Francisco International Airport airports, arrivals at Changi 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: San Francisco — Singapore

Below is a calendar of the lowest flight ticket prices for San Francisco — Singapore by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $323 in November, and the most expensive are around $431 in March. 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 San Francisco to Singapore by month. Tickets are usually cheapest in September (around $524) and priciest in July (about $684) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$593mediumMay$615highSep$524low
Feb$570mediumJun$661highOct$524low
Mar$547mediumJul$684highNov$570medium
Apr$570mediumAug$661highDec$684high

Some values are estimated based on seasonality.

When to fly

Weather in Singapore: it is warmest in March (up to 31 °C on average) and coolest in January (around 29 °C). The driest month is February.

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

Temperature · Singapore

Dry and wet days · Singapore

Wind speed and direction · Singapore

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

  • Book ahead: fares for San Francisco — Singapore 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 Singapore 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 San Francisco — Singapore route are operated by 2 airlines; United Airlines runs the most flights (around 56% of all flights). Compare carriers, flight shares and schedules below.

  • United AirlinesUA
    9x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight SFO → SIN9x/week
      Duration
      16h 35m
      Days
      MTWTFSS
    56.0%Open →
  • Singapore AirlinesSQ
    7x/week
    WebsiteFleet: 16325M pax/year
    • Direct flight SFO → SIN7x/week
      Duration
      16h 25m
      Days
      MTWTFSS
    44.0%Open →

Cities and airports on the San Francisco — Singapore route

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

Departure

San Francisco

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

Singapore

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

Interesting articles about Singapore

Useful information

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Singapore Transport: How to Get Around the City

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How to get to Singapore: plane, train, bus

How to get to Singapore Direct flights to Singapore are operated by one of the world’s best airlines—Singapore Airlines. There are many more options for connecting flights. Good prices can be found wi…

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Frequently asked questions about the San Francisco — Singapore flight

How long is the flight from San Francisco to Singapore?

A nonstop San Francisco — Singapore flight takes about 16 h 25 min — the distance between the cities is around 13,594 km.

How far is it from San Francisco to Singapore?

The distance from San Francisco to Singapore is about 13,594 km, which a nonstop flight covers in around 16 h 25 min.

Are there direct flights from San Francisco to Singapore?

Yes, there are nonstop flights San Francisco — Singapore — around 50 flights per week.

Which airlines fly from San Francisco to Singapore?

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

Which airports do San Francisco — Singapore flights use?

Flights from San Francisco depart from San Francisco International Airport, and arrive at Changi 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 San Francisco to Singapore?

The price of a San Francisco — Singapore ticket depends on your travel date, season and demand: it is usually cheapest to fly in November, and most expensive in March. Tickets typically cost between $323 and $431. Check the current lowest fare and low-price calendar on this page.

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

Flights San Francisco — Singapore 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 San Francisco to Singapore?

To catch a low fare San Francisco — Singapore, 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 San Francisco

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

Where else you can fly from Singapore

See all
Kuala LumpurJakartaBangkokDenpasarManilaHo Chi Minh CityTokyoGeorge TownShanghaiMelbourneHong KongSydneyPhuketSeoulPerthChennaiBeijingTaipeiLondonKoh SamuiHanoiMumbaiBrisbaneTiruchirappalliGuangzhouDa NangBengaluruShenzhenDelhiYangonSurabayaKota KinabaluDubaiOsakaCebu CityColomboChongqingDhakaMedanChengdu

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