$341 Cheap Singapore Airlines flights San Francisco (SFO) to Singapore (SIN)

View $341 flight on Wed, Mar 4, 2026Opens in a new window

$341 Cheap Singapore Airlines flights San Francisco (SFO) to Singapore (SIN)

Prices were available within the past 7 days and start at $341 for one-way flights and $628 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Singapore Airlines
Thu, Sep 24 - Wed, Oct 7
SFO
San Francisco
SIN
Singapore
$628 Roundtrip, found 22 hours ago
$628
Roundtrip
found 22 hours ago
Select Singapore Airlines flight, departing Thu, Sep 24 from San Francisco to Singapore, returning Wed, Oct 7, priced at $628 found 22 hours ago
Singapore Airlines
Tue, Jan 27 - Thu, Feb 5
SFO
San Francisco
SIN
Singapore
$643 Roundtrip, found 1 day ago
$643
Roundtrip
found 1 day ago
Select Singapore Airlines flight, departing Tue, Jan 27 from San Francisco to Singapore, returning Thu, Feb 5, priced at $643 found 1 day ago
Singapore Airlines
Mon, Apr 6 - Thu, Apr 16
SFO
San Francisco
SIN
Singapore
$671 Roundtrip, found 6 days ago
$671
Roundtrip
found 6 days ago
Select Singapore Airlines flight, departing Mon, Apr 6 from San Francisco to Singapore, returning Thu, Apr 16, priced at $671 found 6 days ago
Flights from San Francisco (SFO) to Singapore (SIN)
Origin airport
San Francisco Intl.
Destination airport
Changi
Airlines serving
Air Canada, Alaska Airlines, All Nippon Airways, Asiana Airlines, British Airways, Cathay Pacific, China Airlines, China Southern Airlines, EVA Airways, Emirates, Japan Airlines, Korean Air, Lufthansa, Malaysia Airlines, Philippine Airlines, Qatar Airways, STARLUX Airlines, Swiss International Air Lines, Turkish Airlines, United
Popular airline
Cathay Pacific
Distance
8438 mi
Average flight time
33 hours 26 mins

Frequently asked questions

How much is a Singapore Airlines flight from San Francisco Intl. Airport (SFO) to Changi Airport (SIN)?
Grab affordable round-trip Singapore Airlines flights from $628 from SFO to SIN by filtering your results from "Price (lowest to highest)" on Expedia. Or look for options from $341 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from SFO to SIN with Singapore Airlines?
Singapore Airlines flights to Singapore tend to be more affordable in the off-peak months of October and August. Whether you're after a round-trip or one-way ticket, you could score a better deal then.
What is the cheapest time to book flights from San Francisco Intl. Airport (SFO) to Changi Airport (SIN) with Singapore Airlines?
Search for Singapore Airlines flights from SFO to SIN about one month before you want to leave. The most affordable time to book an international flight is generally 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. No matter your itinerary or ticket type, the best day of the week to book international airfare is usually Sunday. Friday can be the most expensive. Passengers booking on a Sunday can save an average of 17% compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Singapore Airlines fly nonstop from San Francisco Intl. Airport (SFO) to Changi Airport (SIN)?
Depart on one of Singapore Airlines's 14 direct weekly flights from San Francisco Intl. Airport (SFO) to Changi Airport (SIN). To view available options, enter your destination, origin and dates and hit search. Next, apply the "Nonstop" and "Airline" filters.
How long does it take to fly from SFO to SIN with Singapore Airlines?
On average, it takes 17h 27m to fly nonstop from San Francisco Intl. Airport (SFO) to Changi Airport (SIN) with Singapore Airlines.
Which day of the week has the most Singapore Airlines flights from San Francisco Intl. Airport (SFO) to Changi Airport (SIN)?
If you're looking for flexibility, Friday offers the most choice for Singapore Airlines flights from San Francisco Intl. Airport (SFO) to Changi Airport (SIN). You can pick from 2 different departures.
What is the earliest Singapore Airlines flight from SFO to SIN?
The first Singapore Airlines flight from SFO to SIN takes off at 9:40AM UTC-8, arriving at 7:05PM UTC+8. If you prefer to set off later in the day, the last Singapore Airlines flight leaves SFO at 8:15PM UTC-8 and lands at SIN at 5:45AM UTC+8. Flying before noon is generally a smart choice as morning flights are less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Singapore Airlines fly into in Singapore?
Changi Airport (SIN) is the primary Singapore gateway for Singapore Airlines flights from San Francisco Intl. Airport (SFO).
What kind of luggage can I take on a Singapore Airlines flight from San Francisco Intl. Airport (SFO) to Changi Airport (SIN)?
On a standard economy flight with Singapore Airlines from SFO to SIN, passengers can bring 2 checked-in bags up to 50 lb with dimensions not exceeding 31 inches x 29 inches x 78 inches in total. For hand luggage, you're allowed 2 cabin bags weighing up to 15 lb and measuring no more than 45 inches. Weight and size restrictions may vary depending on your fare type and cabin class. To make sure you're not hit with extra fees at the airport, double-check your Singapore Airlines booking or go to the airline's website before you start packing.
Why fly with Singapore Airlines from SFO to SIN?
Offering an excellent in-flight experience and a 5-star airline rating, Singapore Airlines is a top choice for many passengers heading from SFO to SIN. Also, if you're a Singapore Airlines KrisFlyer and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be used on future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does Singapore Airlines fly from San Francisco Intl. Airport (SFO) to Changi Airport (SIN)?
Most likely, you'll catch an Airbus A350-900 for your Singapore Airlines flight from San Francisco Intl. Airport (SFO) to Changi Airport (SIN). However, you could be switched to another aircraft if operational demands require it.
Can I change or cancel my Singapore Airlines flight from San Francisco Intl. Airport (SFO) to Changi Airport (SIN)?
You can usually cancel or modify your flight, although there may be additional charges if you booked over 24 hours ago. Need flexible options? Use Expedia's "No cancel fee" or "Changes included" filter to find flights that won't penalize you if you have to adjust your plans. To make changes, go to "Trips," select your flight and click on "Manage Booking" for further information.

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*Available to One Key members.