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Due to coronavirus (COVID-19) travel advisories, some destinations may be unavailable for certain dates. Find out more.

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Amazing United SFO to SIN Flight Deals

The cheapest flights to Changi found within the past 7 days were $798 round trip and $500 one way. Prices and availability subject to change. Additional terms may apply.


SIN From SFO Economy Coach Packages on Similar Airlines


FAQs about United Airlines Flights from SFO to SIN
Can I catch a flight from San Francisco, CA (SFO-San Francisco Intl.) to Singapore (SIN-Changi) right now?

Be sure to go to our Covid-19 Travel Advisor to discover if there are any present travel advice reports and quarantine requirements in effect in Singapore (SIN-Changi) when jet-setting from San Francisco, CA (SFO-San Francisco Intl.).

What terminal is United Airlines at San Francisco Airport?

Check your boarding pass to find out which San Francisco Intl. Airport (SFO) terminal you'll be taking off from on your way to SIN with United Airlines. If you can't spot the information on there, contact your airline.

Are there United Airlines non-stop flights from SFO to SIN?

Be ready for a stopover when flying from SFO to Changi Airport, as United Airlines doesn't offer nonstop flights on this route. While waiting for your connection, you might like to grab the local newspaper or a travel magazine from the airport bookstore to make the time go faster.

If I am not able to travel due to COVID-19, can I change my booking to a later date?

For more info about changing your flight to Changi Airport, please visit our Customer Service Portal.

What is the best day to buy a plane ticket?

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2020. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Sunday, as data shows the end of the week is when prices are generally at their highest.

What are the cheapest days to fly?

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2020, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

How far in advance can you book a flight?

Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2020 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2 weeks to 2 months prior to their travel dates.

How can I save money on airline tickets?

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2020 saved nearly 40% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2020. Savings are subject to change based on departure location, date and destination.

Travelers ❤️ these 🏨 after their flight to Singapore

Aerotel Transit Hotel, Terminal 1
Aerotel Transit Hotel, Terminal 1
3.0 out of 5.0 Above Gate D41, Level 3, Transit Area, Terminal 1, Singapore Changi Airport, Singapore
$173
3.0/5 (1 reviews)

The room was freezing and I couldn’t figure out how to make the water in the shower warm enough.

Reviewed on Dec 5, 2018
This hotel features an outdoor pool, a fitness center, and a restaurant. Relax with a drink at the swim-up bar and enjoy perks like free WiFi. A bar/lounge, ...
Ambassador Transit Hotel Terminal 3
Ambassador Transit Hotel Terminal 3
2.5 out of 5.0 Singapore Changi Airport, PTB3, Singapore
$207
4.0/5 (1 reviews)

Thanks for arranging wheel chair. Thanks for wakeup call

Reviewed on Feb 12, 2019
Free WiFi in public areas and express check-in are available at this hotel. Staff at the 24-hour front desk can provide around-the-clock assistance.
YOTELAIR Singapore Changi Airport Landside (SG Clean)
YOTELAIR Singapore Changi Airport Landside (SG Clean)
3.0 out of 5.0 78 Airport Boulevard, Changi, #04-280, Singapore
$88
3.3/5 (7 reviews)

Very modern and clean hotel right at Terminal 1. Although the rooms are very small (think pod like size on space station!) all the amenities are present including TV, hair dryer and oral hygiene supplies. Highly recommend if you are in transit and in need of an oasis to rest your tired bodies.

Reviewed on Feb 20, 2020
A 24-hour fitness center is featured at this hotel, along with free WiFi in public areas and dry cleaning. A safe deposit box is provided and the front desk ...