
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $791 (Super.com) |
One-way from | $396 (Super.com) |
Popular in | December |
Cheapest in | September |
Average price | $843 |
Good round-trip deal | $738 or less |
Good one-way deal | $393 or less |
Fly from
Fly to
Route
Depart
Return
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Wed 5/13
12:40 pm-11:55 pm
1 stop20h 15m
Singapore Changi
Sun 5/24
1:25 am-1:36 pm
2 stops27h 11m
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Sun 5/17
11:20 pm-9:30 pm
1 stop31h 10m
Singapore Changi
Sat 5/23
10:50 pm-3:30 pm
1 stop31h 40m
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Wed 9/30
12:22 pm-8:50 am
2 stops29h 28m
Singapore Changi
Tue 10/13
3:15 am-6:43 pm
2 stops30h 28m
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Wed 5/27
11:10 am-6:35 pm
Nonstop16h 25m
Singapore Changi
Sun 6/14
8:35 pm-9:20 pm
Nonstop15h 45m
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Sun 5/10
5:40 am-5:00 am
2 stops32h 20m
Singapore Changi
Thu 5/21
1:25 am-3:56 pm
2 stops29h 31m
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Wed 5/13
10:25 am-6:35 pm
Nonstop17h 10m
Singapore Changi
Mon 5/25
8:35 pm-9:20 pm
Nonstop15h 45m
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Sun 5/24
11:10 am-6:35 pm
Nonstop16h 25m
Singapore Changi
Sun 5/31
8:35 pm-9:20 pm
Nonstop15h 45m
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Thu 7/16
6:00 am-11:55 pm
2 stops26h 55m
Singapore Changi
Wed 8/5
7:30 am-11:52 pm
2 stops31h 22m
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Thu 7/16
12:40 pm-12:45 am
1 stop21h 05m
Singapore Changi
Wed 8/5
8:45 am-9:30 am
Nonstop15h 45m
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Wed 5/27
11:10 am-6:35 pm
Nonstop16h 25m
Singapore Changi
Sun 5/31
8:35 pm-9:20 pm
Nonstop15h 45m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
The best time to book flights from San Francisco to Singapore is 87 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, September is the cheapest month in which you can book a flight from San Francisco to Singapore (average of $655). Flying from San Francisco to Singapore in December is currently the most expensive (average of $1,471). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco to Singapore as you normally would.
About 18% of weekly flights between San Francisco and Singapore have experienced delays in the past year, with the average delay time being 122 minutes.
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
Thursday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Singapore Airlines have had the lowest number of delays on this route, with just 13% of flights being delayed.
Taipei City (TPE) – chosen by Cheapflights users on 71% of 1-stop itineraries from San Francisco to Singapore on Cheapflights.
Incheon (ICN) is the most affordable 1-stop option, with an average round-trip price of $568.
Flights via Taipei City (TPE) have the shortest average one-way travel time for 1-stop routes: 19h 40m.
Flights via Taipei City (TPE) offer the fastest connection on this route, with an average layover time of 2h 03m.
Entertainment
Boarding
Comfort
Overall
Food
Crew
Reviews
Anonymous,Feb 2026
SAI - SIN
Entertainment
Boarding
Comfort
Overall
Food
Crew
Reviews
Anonymous,Feb 2026
SAI - SIN
Entertainment
Boarding
Comfort
Overall
Food
Crew
Reviews
Anonymous,Feb 2026
SAI - SIN
Entertainment
Boarding
Comfort
Overall
Food
Crew
Reviews
Anonymous,Feb 2026
SAI - SIN
Entertainment
Boarding
Comfort
Overall
Food
Crew
Reviews
Anonymous,Feb 2026
SAI - SIN
Entertainment
Boarding
Comfort
Overall
Food
Crew
Reviews
Anonymous,Feb 2026
SAI - SIN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$170 | Average$618 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$507 | Average$2,216 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$527 | Average$748 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$568 | Average$1,026 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$579 | Average$753 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$611 | Average$711 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$641 | Average$1,028 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$652 | Average$903 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$658 | Average$710 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$688 | Average$734 | FlexibilityNo cancel fee | On-time62% |