$339 Find Cheap Flights from San Francisco to Singapore

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Francisco to Singapore departing on 3/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Book Cheap San Francisco to Singapore Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Francisco to Singapore that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Francisco to Singapore

Tue, Aug 18 - Mon, Sep 21
Singapore Airlines Logo
6:00 am - 5:35 pm
SFO
-
SIN
20h 35m
1 stop
Singapore Airlines Logo
9:15 am - 9:50 am
SIN
-
SFO
15h 35mnonstop
$620Singapore Airlines
Thu, Mar 5 - Sun, Mar 8
Korean Air Logo
11:40 am - 8:25 pm
SFO
-
SIN
40h 45m
1 stop
Korean Air Logo
10:30 pm - 10:30 am
SIN
-
SFO
27h 00m
1 stop
$622Korean Air
Sat, Apr 18 - Thu, Apr 30
Multiple Airlines Logo
11:00 am - 7:10 pm
SFO
-
SIN
17h 10mnonstop
Multiple Airlines Logo
9:00 am - 5:14 pm
SIN
-
SFO
23h 14m
1 stop
$628Multiple Airlines
Mon, Mar 9 - Mon, Mar 16
Korean Air Logo
12:40 pm - 8:25 pm
SFO
-
SIN
40h 45m
1 stop
Korean Air Logo
10:40 am - 10:30 am
SIN
-
SFO
38h 50m
1 stop
$629Korean Air
Mon, Aug 17 - Mon, Sep 21
Philippine Airlines Logo
12:30 am - 6:55 pm
SFO
-
SIN
27h 25m
1 stop
Philippine Airlines Logo
10:05 am - 9:10 pm
SIN
-
SFO
26h 05m
1 stop
$630Philippine Airlines
Wed, Aug 19 - Sun, Aug 30
Multiple Airlines Logo
2:00 pm - 7:50 am
SFO
-
SIN
26h 50m
1 stop
Multiple Airlines Logo
9:15 am - 9:50 am
SIN
-
SFO
15h 35mnonstop
$631Multiple Airlines
Sun, Apr 12 - Wed, Apr 29
Multiple Airlines Logo
11:00 am - 7:10 pm
SFO
-
SIN
17h 10mnonstop
Multiple Airlines Logo
8:45 pm - 9:56 am
SIN
-
SFO
28h 11m
1 stop
$636Multiple Airlines
Wed, Mar 11 - Mon, Mar 16
Korean Air Logo
12:40 pm - 5:00 am
SFO
-
SIN
25h 20m
1 stop
Korean Air Logo
10:30 pm - 10:30 am
SIN
-
SFO
27h 00m
1 stop
$639Korean Air
Thu, Apr 16 - Fri, May 1
United Airlines Logo
10:25 am - 6:35 pm
SFO
-
SIN
17h 10mnonstop
United Airlines Logo
9:00 am - 9:10 am
SIN
-
SFO
15h 10mnonstop
$641United Airlines
Sun, Aug 16 - Fri, Sep 18
United Airlines Logo
10:50 pm - 6:15 am
SFO
-
SIN
16h 25mnonstop
United Airlines Logo
8:45 am - 9:15 am
SIN
-
SFO
15h 30mnonstop
$643United Airlines
Booking Insights

KAYAK's insights & trends for San Francisco to Singapore flights

Get data-powered insights and trends into flights from San Francisco to Singapore to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest San Francisco to Singapore flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to Singapore from San Francisco found in the last 72 hours was to Singapore, at $530 round-trip. The most popular route is from San Francisco (SFO) to Singapore (SIN), and the cheapest round-trip airline ticket found on this route in the last 72 hours was $530.

Can I save money by flying with a layover from San Francisco to Singapore?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $777, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from San Francisco to Singapore?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Francisco to Singapore, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from San Francisco to Singapore is September, when tickets cost $669 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of round-trip tickets is $1,456 and $1,108 respectively.

What’s the cheapest day of the week to fly from San Francisco to Singapore?

The average price of all round-trip flights from San Francisco to Singapore clicked on KAYAK for each day over the last 12 months.

For San Francisco to Singapore, Monday is the cheapest day to fly on average and Saturday is the most expensive. Flying from Singapore back to San Francisco, the best deals are generally found on Tuesday, with Saturday being the most expensive.

How far in advance should I book a flight from San Francisco to Singapore?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Francisco to Singapore, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from San Francisco to Singapore, you should book around 8 weeks before departure, which saves you about 5% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 25 weeks before departure.

Good to know

Low seasonAugust
Cheapest flight$339
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly with an average 25% increase in price.
Flight from San Francisco to Singapore

FAQs - booking Singapore flights

  • How does KAYAK find such low prices on flights from San Francisco to Singapore?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Francisco to Singapore.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Francisco to Singapore?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from San Francisco to Singapore is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Francisco to Singapore?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from San Francisco to Singapore with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Francisco to Singapore?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from San Francisco to Singapore up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Singapore?

    The cheapest time of day to fly to Singapore is generally in the morning, when round-trip flights cost $837 on average. The most expensive time of day to fly to Singapore is generally at night, which is peak travel time and where the average cost of a ticket is $1,196.

Top tips for finding cheap flights to Singapore

  • Looking for a cheap flight? 25% of our users found tickets from San Francisco to the following destinations at these prices or less: Singapore $309 one-way - $634 round-trip

Reviews of the top 5 airlines serving from San Francisco to Singapore

 
Need help choosing which airline to fly with from San Francisco to Singapore? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.2
Singapore AirlinesOverall score based on 1463 reviews
8.0Comfort
8.0Entertainment
7.8Food
8.6Crew
8.3Boarding
Airline reviews

I felt that the whole experience went very smoothly. The aircraft was extremely clean and tidy on boarding. The cabin crew were beautifully turned out very, very efficient and were a credit to Singapore Airlines who are now my favourite carrier.

10.0 ExcellentAnonymous, Feb 2026
AKL - SIN
Read more Singapore Airlines reviews

I felt that the whole experience went very smoothly. The aircraft was extremely clean and tidy on boarding. The cabin crew were beautifully turned out very, very efficient and were a credit to Singapore Airlines who are now my favourite carrier.

Excellent crew service. Professional, courteous. Service with a smile. Good food Very decent flight experience

Overall were very good and I was satisfied w/ all the food and services.

Service was very good, food and entertainment systems were good

Food was served to different people at different times and it wasn't clear why. The crew apologized for the wait. But it felt odd and inconsistent. They could use charging ports on each of the seats. Mine didn't have any. Also, they could've offered more snacks. It was a 12+ hour flight and no snacks were ever offered. Everything else was OK.

I wish there was a little more leg room between the seats. The recline was good and seats overall were comfortable. I also didn’t like the 2-4-2 configuration.

toilets could be cleaned more frequently, everything else was pretty good.

The crew was very courteous and professional. the flight is relatively clean and comfortable.

Pleasant business class flight experience with good onboarding experience. Flight service team was excellent with usual book-the-chef menu available

a completely full flight - felt quite carmped in, despite being on the window seat. Meal served could better. Surely different from pre-covid trips I used to take to and from Bangkok.

It was my first time flying Asiana but i was very pleased with how professional and understanding the flight crew is with little kids. One flight attendant held my 3 year old daughter’s hand guiding her to the exit after landing while i had my hands full with luggage and my infant. She was very helpful.

The customer service was excellent. They noticed that our connecting flight was scheduled too closely for us to complete customs, so they changed the flight. Our initial flight was delayed, and they were able to get us on another flight, all without charging us any additional fees. I would fly them again anytime!

Better screens, it would have been nice to have more comfortable seats.

Very clean ,flight attendants very professional,nice , Boarding was very easy

The aircraft was massive (A-380) and became crowded with 400+ passengers on board.

The plane hasnt left im stuck in seatle still my flight has been grounded for almost 5 hours

My luggage didn’t arrive with my flight. Flight was delayed by nearly 2 hours while we sat on the plane and I almost missed my connecting flight and subsequently missed the last train from the airport so it took me another 2 hours to get to my destination after arriving, Crew skipped me several times when offering beverages, and I couldn’t get their attention at times because they wouldn’t even make eye contact with me. They didn’t give me a form for disembarking so I had to go to the back of the line after waiting an eternity for immigration. Paid for on flight wi- fi that didn’t work for most of the flight.

Love flying Asiana. Been using it for over a decade now.

Coming back to America was a peaceful flight everyone and everything was perfect

I had a bad experience coming from America to Thailand. On my connecting flight my check in suitcase was not put on the departing aircraft, I received my suitcase 24 hours after arriving in Bangkok and when I open my luggage my hand swelled up. The next morning when I put on an outfit from my suitcase my face swelled up and became numb. My entire vacation was ruined it seems that some kind of chemical was sprayed into suitcase and ruined my clothes and got me sick. The staff at my hotel called the airline and spoke to someone and they told me to file a complaint and gave my a website to do so. I did not file a complaint I felt like it would have fell on death ears. I had to throw away my brand new vacation clothes and suitcase and I had the worst vacation ever due to this happening to me.

Very bad Instead 22 hour it take me more that 35 hour to arrive from Los Angeles to Phuket and they changed my flight in Hong Kong to Shanghai china and in order to get my bag I was forced to vet china visa entrry

There could have been more options on the entertainment section Nothing was available for non English speaking passengers

Crew was very good, but could have checked on us when meals were not being served also.

I didn't have much experience with Cathay Pacific airlines because of delay and missed connections, the bulk of the trip was on Japan Airlines.

Flight delayed first from bad weather, then after boarding there was a problem with the plane. We had to get off and onto another plane...connections were missed and the trip took an additional 10 hours!! Pre-paid seatting was not honored due ro last minute carrier changes. Most of the trip was on Japan Airline.

Crew and food were great in-flight. We had a 2 hour delay, no communication, and just got left in a limbo. The crew arrived late and they were running checkouts on the plane (which is important, but why not doing it earlier?) Cathay did nothing to about the delay, and a lot of people missed their connection flights. I had to run and got stuck at checkpoint, which made my entire trip very unpleasant. Got to my gate 5 mins prior to them closing it.

I wish there were more bathrooms available on these larger carriers.

one hour transit not good. cathay pacific is not helpful at all

My flight was suppose to be at 7:45pm to fly but it didnt fly out until 8:55 to dallas so then all of my other flights was late and delay ihad to wait at the airport for extra 14 hours to be able to get on a different plane

There were delays at boarding and landing. These events resulted in a tight transfer time in HK. Poor signage for transfers. Finally, lost luggage at final destination.

it was a very short flight so my expectations were low.

Entertainment kept turning itself off. Gave up on watching a movie.

Very disappointing given gate agent behavior. Filed a formal complaint with United.

Terrible. No customer service, no food, no drinks on a 6 hour premier economy booking.

The flight crew where really good. Better then the crew from BNE to SFO

Food should be changed in menu Many muslims travels in this airlime they need to add one Halal meal

left on time, reasonable boarding process arrived early luggage came out quickly

Some flight attendants were great others were cranky. Seats were very tight and sitting on an aisle was very hard as the carts and people walking constantly bumped shoulder and arm.

Pushed back only to get deplaned due to a tire damaged by ground crew. They did at least go pretty fast. The bathrooms should be banned under the Geneva convention. No room to even sit straight on the toilet. The under-seat entertainment units block what little leg room there is.

United airlines has the best customer experience from booking to arrival. I always fly United airlines. The mileage program is excellent

The flight left late and I didn’t get a glass of bubbly upon boarding (which I’m used to when booking business class on other flights), but otherwise it was a pleasant flight with lovely, helpful crew members and I enjoyed my meal.

Couldn't fit knees, only 1 toilet working, didn't get anything to drink cause the stewards were not able to get to us

Flight was canceled for a reason they knew hours before but did not mention. Next the gate chnage from 37 to 38 at least 10 times. Ridiculous.

The flight from SFO to YVR was delayed and my bag did not make it to my next flight from YVR to SYD. It took almost 3 days after I landed to get my bag and when I got it, it was filled with dust

Great check in process in LA and good service The check in process as well as at the gate is way better in the US versus canada 🇨🇦

All attendents were very efficient, pleasant and happy. Everything went smoothly. The seats could have been wider. There could have been more free food instead of just one small bar.

I liked a lot , the flight attendant so nice ,the seat very comfortable I enjoyed the flight , I will do it again with Air Canada,

It was a smooth flight both in the sky and landing!

The crew was really nice. The plane seats were kinda small even for a 5’6” / 158 lbs person.

Fare was great, seat comfort the opposite as cushion was worn out. Ok for 2 hour flight, not for 4.5 hour flight..

Everything you need to know for your flight from San Francisco to Singapore

Information on your arrival and departure airports