Business Class: San Francisco → SingaporeBusiness
SFO → SIN · UA · Checked multiple times per day
17 business award seats found across 3 flights on 3 dates in the last 7 days — last verified 3d ago on the GDS.
Check your exact dates, free. The seats below were seen recently, not a live check of your trip. Search your dates and we check live and show which programme books each seat most cheaply. Your first 10 searches are free. 🔎 Check my dates: SFO → SIN 🔔 Set an alert Alerts check this route several times a day and email you when verified business award seats open (part of the US$9.99/month membership).
Flights with award seats seen here recently: UA29 (SFO→SIN), UA1 (SFO→SIN).
| Date | Flight | Route | Cabin | Seats | Departs | Aircraft | Last Verified |
|---|---|---|---|---|---|---|---|
| 2026-11-13 | UA29 | SFO→SIN | Biz | 5 | 10:40 | 789 | 3d agomay be gone |
| 2026-11-11 | UA1 | SFO→SIN | Biz | 7 | 22:40 | 789 | 5d agomay be gone |
| 2026-11-10 | UA1 | SFO→SIN | Biz | 5 | 22:40 | 789 | 6d agomay be gone |
"Last Verified" shows when our scanner last confirmed the reported award availability on the 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.
Points prices for this route
Fewest points per person, from published award charts: one way, Turkish Airlines Miles&Smiles 130,000 (transferable from Capital One Miles, Citi ThankYou, Bilt Rewards); round trip, ANA Mileage Club 136,000 (transferable from Amex Membership Rewards). Taxes and carrier surcharges extra; charts checked 11 Oct 2026. Air Canada Aeroplan and United MileagePlus price these flights dynamically, which can be lower.
| Programme | Points per person | Notes |
|---|---|---|
| ANA Mileage Club | 136,000 round trip | transfer from Amex |
| Turkish Airlines Miles&Smiles | 130,000 | transfer from Capital One, Citi, Bilt |
| Singapore Airlines KrisFlyer | 131,000 | transfer from Amex, Chase |
Also books it, at dynamic prices: Air Canada Aeroplan, United MileagePlus.
One way per person unless marked round trip, from each programme's published award chart; taxes and carrier surcharges extra. These are the prices when award seats are available: check availability live.
About This Route
17 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
💡 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.
Newest sighting: 3d ago · Data from the GDS