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Cheap Flights from San Francisco to Singapore

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Compare San Francisco International to Singapore flight deals

Find the cheapest month or even day of the year to fly to Singapore

Book the best Singapore fare with no extra fees

Flight deals from San Francisco International to Singapore

Looking for a cheap last-minute deal or the best return flight from San Francisco International to Singapore? Find the lowest prices on one-way and return tickets right here.
Singapore.$1,107 per passenger.Departing Wed, 16 Apr, returning Wed, 23 Apr.Return flight with Singapore Airlines.Outbound direct flight with Singapore Airlines departs from San Francisco International on Wed, 16 Apr, arriving in Singapore Changi.Inbound direct flight with Singapore Airlines departs from Singapore Changi on Wed, 23 Apr, arriving in San Francisco International.Price includes taxes and charges.From $1,107, select.
Singapore.$1,114 per passenger.Departing Tue, 2 Sep, returning Thu, 25 Sep.Return flight with Singapore Airlines.Outbound direct flight with Singapore Airlines departs from San Francisco International on Tue, 2 Sep, arriving in Singapore Changi.Inbound direct flight with Singapore Airlines departs from Singapore Changi on Thu, 25 Sep, arriving in San Francisco International.Price includes taxes and charges.From $1,114, select.
Singapore.$1,120 per passenger.Departing Wed, 5 Nov, returning Wed, 26 Nov.Return flight with Singapore Airlines.Outbound direct flight with Singapore Airlines departs from San Francisco International on Wed, 5 Nov, arriving in Singapore Changi.Inbound direct flight with Singapore Airlines departs from Singapore Changi on Wed, 26 Nov, arriving in San Francisco International.Price includes taxes and charges.From $1,120, select.
Singapore.$1,120 per passenger.Departing Tue, 28 Oct, returning Tue, 4 Nov.Return flight with Singapore Airlines.Outbound direct flight with Singapore Airlines departs from San Francisco International on Tue, 28 Oct, arriving in Singapore Changi.Inbound direct flight with Singapore Airlines departs from Singapore Changi on Tue, 4 Nov, arriving in San Francisco International.Price includes taxes and charges.From $1,120, select.
Singapore.$1,120 per passenger.Departing Mon, 6 Oct, returning Mon, 13 Oct.Return flight with Singapore Airlines.Outbound direct flight with Singapore Airlines departs from San Francisco International on Mon, 6 Oct, arriving in Singapore Changi.Inbound direct flight with Singapore Airlines departs from Singapore Changi on Mon, 13 Oct, arriving in San Francisco International.Price includes taxes and charges.From $1,120, select.
Singapore.$1,161 per passenger.Departing Thu, 28 Aug, returning Wed, 17 Sep.Return flight with Philippine Airlines.Outbound indirect flight with Philippine Airlines, departs from San Francisco International on Thu, 28 Aug, arriving in Singapore Changi.Inbound indirect flight with Philippine Airlines, departs from Singapore Changi on Wed, 17 Sep, arriving in San Francisco International.Price includes taxes and charges.From $1,161, select.
Singapore.$1,162 per passenger.Departing Sun, 14 Sep, returning Tue, 7 Oct.Return flight with Philippine Airlines.Outbound indirect flight with Philippine Airlines, departs from San Francisco International on Sun, 14 Sep, arriving in Singapore Changi.Inbound indirect flight with Philippine Airlines, departs from Singapore Changi on Tue, 7 Oct, arriving in San Francisco International.Price includes taxes and charges.From $1,162, select.
Singapore.$1,172 per passenger.Departing Thu, 17 Apr, returning Sun, 4 May.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from San Francisco International on Thu, 17 Apr, arriving in Singapore Changi.Inbound indirect flight with Air Canada, departs from Singapore Changi on Sun, 4 May, arriving in San Francisco International.Price includes taxes and charges.From $1,172, select.

Find the cheapest month to fly from San Francisco International to Singapore

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Francisco International to Singapore flights are currently cheapest in April.
Mar
from $1,243
Apr
from $1,102
May
from $1,267
Jun
from $1,430
Jul
from $1,442
Aug
from $1,268
Sep
from $1,109
Oct
from $1,115
Nov
from $1,115
Dec
from $1,233
Jan
from $1,337
Feb
from $1,643

Direct flights from San Francisco International to Singapore

Alternative San Francisco International to Singapore routes

Looking for the cheapest, fastest or easiest route from San Francisco International to Singapore? You could fly into the following airports instead.

San Francisco to Singapore: Flight information

The things to know before you go.
Cheapest flight found$1,102
Cheapest month to flyApril
Average flight time17 hrs, 4 mins
Most popular airlineSingapore Airlines
Average flights per week53

Finding cheap flights from San Francisco International to Singapore: Frequently asked questions

There are 2 airports in Singapore: Seletar and Singapore Changi.
The best price we found for a return flight from San Francisco International to Singapore is $1,107. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
17 hours and 4 minutes is the average flight time from San Francisco International to Singapore.
Singapore Airlines and United fly direct from San Francisco International to Singapore.
As of March 2025, there are 53 flights per week flying from San Francisco International to Singapore.
The cheapest month to fly from San Francisco International to Singapore is usually March 2025.
If you're flying from San Francisco International Airport, the cheapest airport near Singapore is Singapore Changi – which is 17.9 km away from the centre of Singapore. We've found flights into this airport from $1,107.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Francisco International Airport to Singapore on Wednesday, 16 April 2025.
Yes – the average flight time is 17 hours and 4 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Singapore but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Singapore is around 40 days in advance, so don’t leave your flight to the last minute.
In March, the average temperature is usually around 27°C. May is typically the warmest month in Singapore, when it usually averages around 30°C. You can expect the least rain in February. The coldest month is December, with temperatures averaging 25°C. The rainiest month is December.
Currently, Singapore Airlines offers the cheapest flight tickets to Singapore.

Travelling from San Francisco International Airport (SFO) to Singapore: what you need to know

  • Hop on a direct flight from San Francisco International Airport to Singapore and you'll be travelling for around 14 hours 56 minutes.

  • Singapore is 15 hours ahead of San Francisco, where San Francisco International Airport is located. Singapore operates on the UTC+8 timezone.

  • San Francisco International Airport (SFO) to Changi International Airport (SIN) is the most popular route, with 40 weekly flights to pick from. If you prefer starting your day later, the last flight from SFO to SIN is with United at 22:55. Opt for the first departure with Singapore Airlines at 09:40 if you want to get on your way earlier.

  • For a smooth journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to catch your flight from SFO to Singapore.

  • If you're getting away during a popular month like August, make your way to the airport even earlier. It's smart to arrive up to four hours before an international flight and two hours ahead of domestic departures. Expect lines to be longer during high seasons like Thanksgiving, Christmas and New Year.

  • You can reserve a direct flight from San Francisco International Airport to Singapore. Begin your journey at SFO and touch down at Changi International Airport (SIN).

  • Check out the deals with United. This airline has direct flights from San Francisco International Airport to Singapore.

  • Consider adding a stopover to potentially find a cheaper flight from SFO to Singapore. Simply deselect 'Direct flights only' when searching for the departures. Take a break (and maybe save some cash) by stopping at one of these popular options:

    • Ninoy Aquino International Airport (MNL)

    • Kempegowda International Airport (BLR)

    • Chhatrapati Shivaji International Airport (BOM)

  • You can travel to Singapore for tourism purposes without a visa if you have a passport from United States. But before booking your cheap tickets from San Francisco International Airport to Singapore, make sure you're up to date with the latest guidelines. Visa rules can change, and you may need some travel documentation if your trip is for work or other reasons.

  • SFO is around 21 kilometres from central San Francisco. If you're catching a cab, ride-sharing or driving from the centre, it'll take 20 minutes or so to get there, depending on traffic. If you're taking public transport, expect the trip time to be approximately 47 minutes.

  • Want a hassle-free start to your holiday? Stay near SFO. Whether you have an early flight from San Francisco International Airport to Singapore or want to avoid feeling rushed, these hotels are ideal:

How to find the cheapest flights from San Francisco International Airport (SFO) to Singapore

  • The best price we've found for a one-way ticket from San Francisco International Airport to Singapore is $551. The cheapest price for a return flight is $1,102. Bear in mind fares can change due to availability at the time of booking.

  • To snag cheap tickets from SFO to Singapore, reserve your journey 8 months ahead of your planned departure.

  • Schedule your trip for April. That's the cheapest month for tickets from San Francisco International Airport to Singapore. If you have flexibility with your dates, use the 'Whole month' tool to see the lowest price across every month.

  • Sign into your online account or use the app to create a Price Alert. We'll get in touch straight away if there's a better deal on this route. It's simple to do, and it'll save you time searching for flight tickets from SFO to Singapore every day.

  • Tailor your trip with filters. Select your arrival and departure times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' flights from San Francisco International Airport to Singapore.

Airports in Singapore

Changi International Airport (SIN)

  • Changi International Airport (SIN) to the centre of Singapore is about 21 minutes by car. It's approximately 21 kilometres away.

  • If you're travelling on public transport, expect a journey of roughly 1 hour.

  • Book a hotel near SIN if you have a late flight from San Francisco International Airport to Singapore. Select one of these options and avoid the hassle of a long transfer:

Seletar Airport (XSP)

  • The centre of Singapore is about 19 kilometres from Seletar Airport (XSP). As soon as your flight from San Francisco International Airport to Singapore has touched down and you've made your way through the terminal, expect a drive of about 23 minutes.

  • You can expect the trip to take about 1 hour and 24 minutes on public transport.

  • After your flight from SFO to Singapore, settle in at a hotel near XSP. These are some great options that'll help you get into relaxation mode:

Best time to go to Singapore

  • August is the busiest month for flights from San Francisco International Airport to Singapore. To escape the crowds, travel to Singapore in February when things are quieter.

  • The warmest month in Singapore is May, with the temperature ranging between 25ºC and 31ºC. Book your flights from San Francisco International Airport to Singapore in this month if this is the type of weather you enjoy.

  • If you like travelling in cooler conditions, look for a cheap flight from SFO to Singapore in January when temperatures average between 24ºC and 30ºC.

More about Singapore

  • Start your Singapore trip right by choosing the ideal place to stay. Once you've booked your flight from San Francisco International Airport to Singapore, check out our selection of hotels including:

  • There are so many things to do and see in this city it can be hard to figure out where to begin. Marina Bay Sands, Gardens by the Bay and Universal Studios Singapore are top sights which should be on any good Singapore itinerary.

Complete your Singapore trip with a car rental

  • Select one of our car rentals in Singapore and see the sights at your own pace. Easily compare rates in one go to find the perfect ride once you've locked in your hotel and cheap flights from San Francisco International Airport to Singapore.

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Plan the rest of your trip from San Francisco to Singapore

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.