United Airlines operates flights from San Francisco to Singapore, offering both nonstop and connecting routes across the Pacific. Comparing your options before booking helps you understand current pricing and find a flight that fits your schedule.
From 10 real fares found in our latest check. Prices are per person and can change.
10 real fares from our latest check, cheapest first. Prices are per person and can change until ticketed.
UA
Nonstop · 17h 20m · Mon, Oct 26
UA
Nonstop · 17h 35m · Mon, Oct 26
UA
Nonstop · 17h 35m · Mon, Oct 26
UA
Nonstop · 17h 20m · Mon, Oct 26
UA
1 stop · 20h 35m · Mon, Oct 26
Lowest fare we found for each month we checked. Based on real searches, not a forecast.
Cheapest month found: Jan 2027 from $697
United Airlines currently appears in our flight data for the San Francisco to Singapore route. Travelers can choose between nonstop flights that take between 17 hours and 20 minutes and 17 hours and 35 minutes, or flights with 1 stop that extend the total journey to between 20 hours and 35 minutes and 20 hours and 55 minutes. Checking the live fares shown above will reveal which airline schedules match your travel dates.
The time of year you travel heavily influences current pricing. Based on our data, fares tend to rise sharply during the peak holiday travel month of December, while travel in November or January generally offers lower pricing. You can check the live fares shown above to see exactly how your preferred departure dates compare.
Remaining flexible with your travel dates is a practical way to manage costs on this route. Choosing a flight with 1 stop instead of a nonstop option sometimes changes the available fares, so it helps to compare both. Adjusting your departure by just a few days can expose different pricing tiers in the live fares shown above.
Nonstop flights are available on this route. A nonstop flight from San Francisco to Singapore takes between 17 hours and 20 minutes and 17 hours and 35 minutes. If you opt for a flight with 1 stop, expect a longer travel day with total journey times ranging from 20 hours and 35 minutes to 20 hours and 55 minutes.
ASAirspace lets you run a real live fare search with no booking fees added at checkout. If you want help comparing schedules or understanding the live fares shown above, our travel advisors are available on the phone. We present the facts clearly so you can make an informed decision on your next trip.
United Airlines currently appears in our recent search data for this route. Check the live fares shown above to see which carriers are operating on your specific travel dates.
