
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $642 (United Airlines) |
One-way from | $338 (Trip.com) |
Popular in | December |
Cheapest in | September |
Average price | $764 |
Good round-trip deal | $758 or less |
Good one-way deal | $339 or less |
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Mon 2/9
9:23 pm-12:55 am
2 stops35h 32m
Singapore Changi
Thu 2/12
10:20 pm-9:15 pm
Nonstop14h 55m
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Mon 2/9
9:23 pm-12:55 am
2 stops35h 32m
Singapore Changi
Fri 2/13
10:10 am-8:55 am
Nonstop14h 45m
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Wed 5/20
11:30 pm-9:30 pm
1 stop31h 00m
Singapore Changi
Sun 5/24
10:50 pm-3:00 pm
1 stop31h 10m
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Tue 3/17
12:40 pm-5:00 am
1 stop25h 20m
Singapore Changi
Thu 3/26
1:35 am-10:30 am
1 stop23h 55m
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Wed 5/20
11:30 pm-9:30 pm
1 stop31h 00m
Singapore Changi
Mon 5/25
10:50 pm-3:00 pm
1 stop31h 10m
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Wed 5/20
11:30 pm-9:30 pm
1 stop31h 00m
Singapore Changi
Tue 5/26
10:50 pm-3:00 pm
1 stop31h 10m
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Tue 2/17
10:35 am-8:15 pm
Nonstop17h 40m
Singapore Changi
Thu 2/19
10:10 am-9:05 am
Nonstop14h 55m
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Thu 2/5
10:35 am-8:15 pm
Nonstop17h 40m
Singapore Changi
Tue 3/10
10:10 am-10:05 am
Nonstop14h 55m
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Mon 2/9
10:35 am-8:15 pm
Nonstop17h 40m
Singapore Changi
Thu 3/19
10:20 pm-10:15 pm
Nonstop14h 55m
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Mon 2/23
10:35 am-8:15 pm
Nonstop17h 40m
Singapore Changi
Tue 3/10
10:20 pm-10:15 pm
Nonstop14h 55m
| 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 86 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, February is the cheapest month in which you can book a flight from San Francisco to Singapore (average of $389). Flying from San Francisco to Singapore in June is currently the most expensive (average of $760). 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 17% of weekly flights between San Francisco and Singapore have experienced delays in the past year, with the average delay time being 114 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.
Tuesday tends to have the lowest number of delays on this route, whereas Sunday 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.
Incheon (ICN) – chosen by Cheapflights users on 50% 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 Hong Kong (HKG) have the shortest average one-way travel time for 1-stop routes: 20h 25m.
Flights via Hong Kong (HKG) offer the fastest connection on this route, with an average layover time of 2h 55m.
Boarding
Food
Entertainment
Comfort
Overall
Crew
Reviews
Derek,Dec 2025
NRT - ICN
Boarding
Food
Entertainment
Comfort
Overall
Crew
Reviews
Derek,Dec 2025
NRT - ICN
Boarding
Food
Entertainment
Comfort
Overall
Crew
Reviews
Derek,Dec 2025
NRT - ICN
Boarding
Food
Entertainment
Comfort
Overall
Crew
Reviews
Derek,Dec 2025
NRT - ICN
Boarding
Food
Entertainment
Comfort
Overall
Crew
Reviews
Derek,Dec 2025
NRT - ICN
Boarding
Food
Entertainment
Comfort
Overall
Crew
Reviews
Derek,Dec 2025
NRT - ICN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$466 | Average$2,216 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$567 | Average$785 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$579 | Average$661 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$602 | Average$667 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$603 | Average$716 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$641 | Average$988 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$650 | Average$722 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$652 | Average$914 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$664 | Average$734 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$726 | Average$885 | FlexibilityNo cancel fee | On-time67% |