--- title: "Singapore to San Francisco flights: who flies SIN-SFO" description: "Singapore Airlines and United Airlines fly nonstop from SIN to SFO, about 28 flights a week, covering 8,438 miles. See award seats by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/sin-sfo" url: "https://2lnr.com/routes/sin-sfo.md" date_modified: "2026-10-18T05:10:47Z" --- # Singapore to San Francisco (SIN-SFO): nonstop flights and award space Singapore Airlines and United Airlines fly nonstop between Singapore (SIN) and San Francisco (SFO), roughly 28 times a week. The timetable below shows the nonstop scheduled at 14h 40m to 15h 45m for the 8,438 miles. 2LNR tracks award seats on Singapore Airlines across every SIN to SFO date, so you can see whether a seat exists before you move points. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 23, 2026. See SIN to SFO on the interactive map [Get started free](https://2lnr.com/login) 28 Flights a week, 4-week average 14h 40m to 15h 45m Scheduled flight time 8,438 mi Nonstop distance Free To get started ## Singapore to San Francisco flight schedule Scheduled nonstop departures for SIN to SFO starting October 22, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from Singapore (SIN) to San Francisco (SFO) | Date | Flight | Airline | Departs SIN | Arrives SFO | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | UA 2 | United Airlines | 08:45 | 09:15 | 15h 30m | [Boeing 787-9 Dreamliner](https://2lnr.com/seatmaps/ua/787-9.md) | | Thu, Oct 22 | SQ 32 | Singapore Airlines | 09:05 | 09:50 | 15h 45m | [Airbus A350-900](https://2lnr.com/seatmaps/sq/a350-900.md) | | Thu, Oct 22 | SQ 34 | Singapore Airlines | 19:55 | 20:10 | 15h 15m | Airbus A350-900 | | Thu, Oct 22 | UA 28 | United Airlines | 20:35 | 21:05 | 15h 30m | Boeing 787-9 Dreamliner | | Fri, Oct 23 | UA 2 | United Airlines | 08:45 | 09:15 | 15h 30m | Boeing 787-9 Dreamliner | | Fri, Oct 23 | SQ 32 | Singapore Airlines | 09:05 | 09:50 | 15h 45m | Airbus A350-900 | | Fri, Oct 23 | SQ 34 | Singapore Airlines | 19:55 | 20:10 | 15h 15m | Airbus A350-900 | | Fri, Oct 23 | UA 28 | United Airlines | 20:35 | 21:05 | 15h 30m | Boeing 787-9 Dreamliner | | Sat, Oct 24 | UA 2 | United Airlines | 08:45 | 09:15 | 15h 30m | Boeing 787-9 Dreamliner | | Sat, Oct 24 | SQ 32 | Singapore Airlines | 09:05 | 09:50 | 15h 45m | Airbus A350-900 | | Sat, Oct 24 | SQ 34 | Singapore Airlines | 19:55 | 20:10 | 15h 15m | Airbus A350-900 | | Sat, Oct 24 | UA 28 | United Airlines | 20:35 | 21:05 | 15h 30m | Boeing 787-9 Dreamliner | | Sun, Oct 25 | SQ 32 | Singapore Airlines | 09:05 | 08:50 | 14h 45m | Airbus A350-900 | | Sun, Oct 25 | UA 2 | United Airlines | 10:10 | 10:15 | 15h 5m | Boeing 787-9 Dreamliner | | Sun, Oct 25 | SQ 34 | Singapore Airlines | 19:55 | 19:35 | 14h 40m | Airbus A350-900 | | Sun, Oct 25 | UA 28 | United Airlines | 22:20 | 22:15 | 14h 55m | Boeing 787-9 Dreamliner | | Mon, Oct 26 | SQ 32 | Singapore Airlines | 09:05 | 08:50 | 14h 45m | Airbus A350-900 | | Mon, Oct 26 | UA 2 | United Airlines | 10:10 | 10:15 | 15h 5m | Boeing 787-9 Dreamliner | | Mon, Oct 26 | SQ 34 | Singapore Airlines | 19:55 | 19:35 | 14h 40m | Airbus A350-900 | | Mon, Oct 26 | UA 28 | United Airlines | 22:20 | 22:15 | 14h 55m | Boeing 787-9 Dreamliner | | Tue, Oct 27 | SQ 32 | Singapore Airlines | 09:05 | 08:50 | 14h 45m | Airbus A350-900 | | Tue, Oct 27 | UA 2 | United Airlines | 10:10 | 10:15 | 15h 5m | Boeing 787-9 Dreamliner | | Tue, Oct 27 | SQ 34 | Singapore Airlines | 19:55 | 19:35 | 14h 40m | Airbus A350-900 | | Tue, Oct 27 | UA 28 | United Airlines | 22:20 | 22:15 | 14h 55m | Boeing 787-9 Dreamliner | | Wed, Oct 28 | SQ 32 | Singapore Airlines | 09:05 | 08:50 | 14h 45m | Airbus A350-900 | | Wed, Oct 28 | UA 2 | United Airlines | 10:10 | 10:15 | 15h 5m | Boeing 787-9 Dreamliner | | Wed, Oct 28 | SQ 34 | Singapore Airlines | 19:55 | 19:35 | 14h 40m | Airbus A350-900 | | Wed, Oct 28 | UA 28 | United Airlines | 22:20 | 22:15 | 14h 55m | Boeing 787-9 Dreamliner | Showing all 28 scheduled SIN to SFO departures across 7 days with service, starting October 22, 2026. Later dates are on the interactive map. Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure. See every SIN to SFO date on the interactive map ## Aircraft on the Singapore to San Francisco nonstop In the schedule table on this page, United Airlines flies the [Boeing 787-9 Dreamliner](https://2lnr.com/seatmaps/ua/787-9.md), and Singapore Airlines flies the [Airbus A350-900](https://2lnr.com/seatmaps/sq/a350-900.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## Award seats on SIN to SFO departures 2LNR tracks award seats on Singapore Airlines, date by date. Open the calendar for Singapore to San Francisco to see whether a seat exists before you move points, the next 14 days free on every product and the full horizon on Pro. ### See real availability Award seats by date on the SIN to SFO departures 2LNR tracks, checked against live inventory so you know what's open before you book. ### Set an alert Premium inventory turns over fast. Watch this route on Pro and 2LNR notifies you when space appears on a date you're tracking. ### Plan on the map See SIN to SFO on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Singapore to San Francisco nonstop Carriers operating SIN to SFO nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show award space by date. - [Singapore Airlines (SQ) route map](https://2lnr.com/routes/airlines/sq.md)\ [The aircraft SQ flies](https://2lnr.com/seatmaps/sq.md) - [United Airlines (UA) route map](https://2lnr.com/routes/airlines/ua.md)\ [The aircraft UA flies](https://2lnr.com/seatmaps/ua.md) See SIN to SFO on the interactive map → ## Frequently asked questions about SIN to SFO **How long is the flight from Singapore (SIN) to San Francisco (SFO)?** Scheduled flight times from Singapore (SIN) to San Francisco (SFO) run from 14h 40m to 15h 45m across the departures in the schedule table on this page. The nonstop covers about 8,438 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from SIN to SFO?** Singapore Airlines and United Airlines fly SIN to SFO nonstop. 2LNR tracks award seats on Singapore Airlines. **How many flights a week are there from SIN to SFO?** About 28 nonstop flights a week run between Singapore (SIN) and San Francisco (SFO) in the current schedule, operated by Singapore Airlines and United Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from SIN to SFO depart?** Scheduled SIN to SFO nonstops in the next 7 days with service leave between 08:45 and 22:20, local time at Singapore. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate SIN to SFO nonstop?** In the schedule table on this page, SIN to SFO nonstops fly as SQ 32 and SQ 34 on Singapore Airlines, and UA 2 and UA 28 on United Airlines. The table lists each departure by date with its times and aircraft. **How do I check award availability on SIN to SFO?** Open the SIN to SFO route on the interactive map or the matrix to see award seats by date on Singapore Airlines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens. Flying the other way? See [SFO to SIN nonstop flights and award space](https://2lnr.com/routes/sfo-sin.md). Award seats rather than schedules? See [Singapore Airlines award availability](https://2lnr.com/awards/sq.md). Looking beyond this route? See [every route from Singapore (SIN)](https://2lnr.com/routes/sin.md), or [every route from San Francisco (SFO)](https://2lnr.com/routes/sfo.md). - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) - [How to read award availability by date](https://2lnr.com/guides/award-availability.md) ## See SIN to SFO award space by date See what's open by date on this route, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)