Business Class: San Francisco → SingaporeBusiness
SFO → SIN · UA · Updated hourly
22 business award seats found across 3 flights on 3 dates in the last 7 days — last verified 3d ago on Amadeus GDS.
| Date | Flight | Route | Cabin | Seats | Departs | Aircraft | Last Verified |
|---|---|---|---|---|---|---|---|
| 2026-10-23 | UA1 | SFO→SIN | Biz | 7 | 22:40 | 789 | 3d agomay be gone |
| 2026-10-22 | UA1 | SFO→SIN | Biz | 8 | 22:40 | 789 | 4d agomay be gone |
| 2026-10-21 | UA1 | SFO→SIN | Biz | 7 | 22:40 | 789 | 5d agomay be gone |
"Last Verified" shows when our scanner last confirmed each seat on Amadeus GDS. Award space changes fast — seats verified more than a few hours ago may already be gone. Always confirm availability with the loyalty program before transferring points.
About This Route
22 business award seats seen here in the last 7 days (last verified 3d ago). One of the longest routes in commercial aviation. United flies San Francisco to Singapore nonstop, and United is the only carrier that has produced verifiable space for us here. Singapore Airlines flies the route too, but withholds its own award inventory from partner distribution almost entirely, so a search that turns up nothing on SQ is not evidence the flight is full.
Aircraft
Boeing 787-9
Typical Cost
85,000–110,000 miles one-way
Book With
- United MileagePlus (dynamic)
- Aeroplan
- Avianca LifeMiles
Transfer From
- Chase UR → United
- Amex/Chase/CapOne → Aeroplan
- Amex/Citi/CapOne → LifeMiles
💡 Insider Tip
Space on this route is genuinely scarce — of everything we have recorded here, only a small fraction verified as bookable. Set an alert rather than searching repeatedly; when it opens it does not stay open long.
Last scan: Sep 27, 2026 10:27 AM UTC · Data from Amadeus GDS