Cheap flights from San Francisco to Singapore

28 nonstop flights a week, 4 of them today. Operated by 2 airlines, about 17h 25m in the air, 8,439 mi (13,582 km). Tickets from $458, nonstop from $504.

Flights from San Francisco to Singapore

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

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Best fares from San Francisco to Singapore

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

San Francisco to Singapore at a glance

flight time, from 16h 5m to 17h 40m
17h 25m
straight-line distance
8,439 mi (13,582 km)
flights a week
28
flights today
4
first and last departure
09:40 - 22:40
lowest price, with a connection, 3 December
$458
lowest nonstop price
$504
airlines
2

San Francisco to Singapore ticket prices by month

Lowest one-way fare found by recent searches

Cheapest month: December 2026, tickets from $458. Prices come from searches over the last few days; check the search for your exact date.

The most expensive month is November 2026: from $493. The average across months is $475.

San Francisco to Singapore flight schedule

28 flights a week, 4 today, 8 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
SQ 31
Singapore Airlines
09:40 San Francisco International, terminal I
19:05 Changi International
17h 25m
Daily
Airbus A350-900
UA 29
United Airlines
10:40 San Francisco International, terminal I
20:15 Changi International, terminal 2
17h 35m
Daily
Boeing 787-900
SQ 33
Singapore Airlines
20:15 San Francisco International, terminal I
05:45 Changi International
17h 30m
Daily
Airbus A350-900
UA 1
United Airlines
22:40 San Francisco International, terminal I
08:00 Changi International, terminal 2
17h 20m
Daily
Boeing 787-900

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 17 December.

FlightDepartsArrivesDurationDaysAircraft
UA 29
United Airlines
10:35 San Francisco International, terminal I
20:15 Changi International, terminal 2
17h 40m
Seasonal
Boeing 787-900
SQ 31
Singapore Airlines
10:40 San Francisco International, terminal I
19:05 Changi International
17h 25m
Seasonal
Airbus A350-900
UA 29
United Airlines
11:35 San Francisco International, terminal I
20:15 Changi International, terminal 2
17h 40m
Seasonal
Boeing 787-900
SQ 33
Singapore Airlines
21:15 San Francisco International, terminal I
05:45 Changi International
17h 30m
Seasonal
Airbus A350-900
UA 29
United Airlines
10:20 San Francisco International, terminal I
18:35 Changi International, terminal 2
17h 15m
Seasonal
Boeing 787-900
SQ 33
Singapore Airlines
22:25 San Francisco International, terminal I
05:30 Changi International
16h 5m
Seasonal
Airbus A350-900
UA 29
United Airlines
11:10 San Francisco International, terminal I
18:35 Changi International, terminal 2
16h 25m
Seasonal
Boeing 787-900
UA 1
United Airlines
22:50 San Francisco International, terminal I
06:15 Changi International, terminal 2
16h 25m
Seasonal
Boeing 787-900

Days of the week are taken from the schedule for the next 14 days; schedules change by season. Singapore is 16 hours ahead of San Francisco. The search shows seat availability and the price for your date.

Airlines flying San Francisco to Singapore

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

Airports

Where flights from San Francisco to Singapore depart and land

Departure from San Francisco

28 flights a week, terminal I, 11 mi (18 km) from the city centre

Arrival in Singapore

28 flights a week, terminal 2, 12 mi (19 km) from the city centre

When to visit Singapore

Weather by month

Best time to visit: February, July and September, +30° by day, sea +28° to +30°. In November it is +30° by day and +25° at night, sea +31°, with 26 rainy days.

Jan
+29° +24° +28° 24 days
Feb
+30° +24° +28° 18 days
Mar
+30° +25° +29° 24 days
Apr
+30° +25° +30° 27 days
May
+30° +26° +31° 24 days
Jun
+30° +26° +31° 23 days
Jul
+30° +26° +30° 21 days
Aug
+30° +25° +30° 25 days
Sep
+30° +26° +30° 22 days
Oct
+30° +25° +30° 23 days
Nov
+30° +25° +31° 26 days
Dec
+29° +24° +29° 27 days

Daytime and night temperatures in °C, sea temperature (in blue), rainy days. Months with the most comfortable weather are in green. Long-term averages.

Frequently asked questions

How long is the flight from San Francisco to Singapore?
A nonstop flight takes 17 hours 25 minutes on average, from 16h 5m to 17h 40m depending on the flight.
How far is Singapore from San Francisco?
8,439 mi (13,582 km) in a straight line between the cities.
Which airlines fly nonstop from San Francisco to Singapore?
Singapore Airlines (14 a week) and United Airlines (14 a week).
How many flights a day are there from San Francisco to Singapore?
4 flights today and 28 a week, about 4 a day on average.
When are the first and last flights from San Francisco to Singapore?
The first departure is at 09:40 (SQ31), the last at 22:40 (UA1). Local time.
What is the cheapest month to fly from San Francisco to Singapore?
December 2026: tickets from $458. The most expensive is November 2026, from $493.
What is the cheapest upcoming date to fly from San Francisco to Singapore?
3 December 2026 (Thursday): from $458 one way, with a connection, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from San Francisco to Singapore?
United Airlines: nonstop tickets from $504 on 24 November by recent searches. Prices change daily, so compare the sellers in the search.
What is the time difference between San Francisco and Singapore?
Singapore is 16 hours ahead of San Francisco. Schedule times on this page are local to each airport.
Which San Francisco airport do flights to Singapore leave from?
San Francisco International (28 a week).