Cheap Flights from San Francisco (SFO) to Singapore (SIN)

You can find cheap one-way flights from AU$453 and cheap return flights AU$983 SFO to SIN with Expedia. One-way flights typically cost between AU$678 and AU$6,481. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when SFO to SIN ticket fares go up or down.

The cheapest months to fly from San Francisco, CA (SFO) to Singapore (SIN) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.

There are 2 airlines offering direct flights from San Francisco, CA (SFO-San Francisco Intl.) to Singapore (SIN-Changi). These include:
* Singapore Airlines operates 14 direct flights from San Francisco, CA (SFO-San Francisco Intl.) to Singapore (SIN-Changi) every week.
* United operates 14 direct flights from San Francisco, CA (SFO-San Francisco Intl.) to Singapore (SIN-Changi) every week.

Air India offers one of the cheapest connecting return flights from San Francisco, CA (SFO-San Francisco Intl.) to Singapore (SIN-Changi) with a layover in Incheon Intl. (ICN), starting from around AU$1519. United is one of the cheapest airlines offering nonstop return flights from San Francisco, CA (SFO-San Francisco Intl.) to Singapore (SIN-Changi), with tickets starting from around AU$2164 for flights that can be booked for departure within the next year. These prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.

To find a cheap flight from San Francisco, CA (SFO) to Singapore (SIN), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best airline to fly with from San Francisco, CA (SFO-San Francisco Intl.) to Singapore (SIN-Changi) will differ from traveler to traveler. If you like to fly early, Singapore Airlines offers early morning flights. If price is the most important factor, Singapore Airlines typically offers the lowest fares. Alaska Airlines offers the most daily flights from San Francisco, CA (SFO-San Francisco Intl.) to Singapore (SIN-Changi), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

You'll find approximately 4 nonstop flights per day from San Francisco International Airport (SFO) to Changi (SIN). For even more choices, look at flights that include layovers, as there are around 125 connecting flights per day. Some common connection points include Los Angeles International Airport (LAX), Seattle - Tacoma International Airport (SEA), and Vancouver International Airport (YVR).

The earliest flight from San Francisco, CA (SFO-San Francisco Intl.) to Singapore (SIN-Changi) typically departs around 12:05 AM local time. This service is operated by Cathay Pacific. This is a seasonal service, active in July and August. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

You'll generally find the most flights from San Francisco International Airport (SFO) to Singapore Changi (SIN) on a Monday, with around 94 flights available. This gives you plenty of options to choose from for your travel plans. Major airlines on this route include Alaska Airlines, United, and American Airlines. Flight schedules are quite consistent throughout the week, so you'll have a good selection of flights regardless of the day you choose to fly.

The most popular departure times for flights from San Francisco Intl. (SFO) to Changi (SIN) are in the late evening, from 9pm to midnight. Many major carriers, including United, Cathay Pacific and Singapore Airlines, offer flights during this window. Many travellers prefer this timing as it allows you to maximize your day in San Francisco before your flight, and you'll arrive in Singapore ready to start your day.

A non-stop flight from San Francisco International Airport (SFO) to Singapore Changi (SIN) typically takes around 16 hours 30 minutes. This journey covers a distance of approximately 13,581 kilometres. If you opt for a flight with one stop, your travel time will be longer, usually around 21 hours. Flights with two or more stops generally take about 24 hours 30 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.

Yes, you can fly business class or first class between SFO and SIN.

Airlines that offer business class service on this route include:

* Korean Air
* KLM
* China Eastern Airlines
* Cathay Pacific
* Air France
* Lufthansa
* Fiji Airways
* Swiss International Air Lines
* Emirates
* Skywest Air
* Turkish Airlines
* China Southern Airlines
* Japan Airlines
* Qatar Airways
* Vietnam Airlines
* Singapore Airlines
* Air India
* Air China
* British Airways
* Air Canada
* JetBlue Airways
* Alaska Airlines
* Asiana Airlines
* Philippine Airlines
* Aer Lingus
* Delta
* All Nippon Airways
* United
* Qantas Airways
* Starlux Airlines
* Virgin Atlantic
* EVA Airways
* American Airlines
* China Airlines
* Horizon Air

First class cabins are available on:

* Air France
* Lufthansa
* Swiss International Air Lines
* Emirates
* Japan Airlines
* British Airways
* Alaska Airlines
* Starlux Airlines
* American Airlines

It's easy to earn miles on a San Francisco, CA (SFO) to Singapore (SIN) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

If you're planning to travel to Singapore from San Francisco Intl. (SFO), you can fly directly into Changi (SIN). Some flights may connect through major hubs like Los Angeles Intl. (LAX), Seattle - Tacoma Intl. (SEA), or Vancouver Intl. (YVR) before reaching Singapore. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from San Francisco, CA (SFO) to Singapore (SIN) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a San Francisco, CA (SFO) to Singapore (SIN) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your San Francisco, CA (SFO) to Singapore (SIN) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.